Term
adnexa of the eyes
a.k.a. adnexa oculi |
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Definition
| the structures outside the eyeball, and these include the orbit, eye muscles, eyelids, eyelashes, conjuctiva, and lacrimal apparatus. |
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Term
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Definition
| means appendages or accessory structures of an organ |
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Term
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Definition
a.k.a. eye socket
is the bony cavity of the skull that contains and protects the eyeball and its associated muscles, blood vessels, and nerves. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
canthus
canth means corner of the eye
-us singular noun ending |
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Definition
| is the angle where the upper and lower eyelids meet. |
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Term
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Definition
| is where the eyelids meet nearest to the nose |
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Term
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Definition
| is a vertical fold of skin on either side of the nose. |
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Term
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Definition
| is where the eyelids meet farthest from the nose |
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Term
tarsus
tars means edge of the eyelid
us is a sing. noun end. |
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Definition
a.k.a. tarsal plate
the framework within the upper and lower eyelids that provides the necessary stiffness and shape. |
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Term
conjuctiva
plural conjuctivae |
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Definition
| is the transparent mucous membrane that lines the underside of each eyelid and continues to form a protective covering over the exposed surface of the eyeball |
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Term
lacrimal apparatus
a.k.a. tear apparatus |
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Definition
| consists of the structures that produce, store, and remove tears. |
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Term
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Definition
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Term
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Definition
| consists of a duct at the inner corner of each eye. these ducts collect tears and empty them into the lacrimal sacs. |
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Term
lacrimal sac
a.k.a. tear sac |
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Definition
| is an enlargement of the upper portion of the lacrimal duct. |
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Term
lacrimal duct
a.k.a. nasolacrimal duct |
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Definition
| is the passageway that drains excess tears into the nose |
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Term
|
Definition
opt- means sight
-ic means pertaining to
this term means pertaining to sight |
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Term
ocular
ocul means eye
-ar means pertaining to |
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Definition
| means pertaining to the eye |
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Term
extraocular
extra means on the outside
ocul means eye
-ar means pertaining to |
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Definition
| means outside the eyeball |
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Term
intraocular
intra-means within
ocul means eye
-ar means pertaining to |
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Definition
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Term
sclera
scler/o means the white of the eye, and it also means hard. |
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Definition
a.k.a. white of the eye.
Maintains the shape of the eye and protects the delicate inner layers of tissue. it also forms the outer layer of the eye, except the cornea. |
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Term
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Definition
a.k.a. choroid coat
the opaque middle layer of the eyeball that contains many blood vessels and provides the blood supply for the entire eye. |
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Term
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Definition
| means that light can't pass through this substance. |
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Term
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Definition
| is the sensitive innermost layer that lines the posterior segment of the eye. it recieves nerve impulses and transmits them to the brain via the optic nerves. |
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Term
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Definition
| makes up the front one-third of the eyeball |
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Term
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Definition
| is located behind the cornea and in front of the iris. |
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Term
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Definition
| is located behind the iris and in front of the ligaments holding the lens in place. |
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Term
intraocular pressure
(IOP) |
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Definition
| is a measurement of the fluid pressure inside the eye. |
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Term
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Definition
| a soft, clar jelly like mass that contains millions of fone fibers. |
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Term
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Definition
| a clearly defined yellow area in the center of the retina. this is the area of sharpest central vision. |
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Term
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Definition
| a pit in the middle of the macula. color vision is best in the area because it contains a high concentratation of cones and no rods. |
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Term
optic disk
a.k.a. blind spot |
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Definition
| a small region in the eye where the nerve endings of the retina enter the optic nerve. it doesn't contain any rods and cones to convert images into nerve impulses. |
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Term
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Definition
| transmitts these nerve impulses from the retina to the brain |
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Term
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Definition
| is the pigmented layer of the eye. it has a rich blood supply and consists of the choroid, ciliary body and iris |
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Term
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Definition
| is located w/in the choroid, is a set of muscles and suspensory ligaments that adjust the thickness of the lens to refine the focus of light rays on the retina |
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Term
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Definition
| is the colorful muscular layer of the eye that surrounds the pupil. |
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Term
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Definition
| the transparent outer surface of the eye covering the iris and pupil. it is the primary structure focusing light rays entering the eye |
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Term
lens
a.k.a. crystalline lens |
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Definition
| is the clear, flexible curved structure that focuses images on the retina. |
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Term
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Definition
| is the process whereby the eyes make adjustments for seeing objects at various distances. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| is the simultaneous inward movement of the eyes toward each other. this occurs in an effort to maintain single binocular vision as an object comes nearer. |
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Term
emmetropia
emmetr means proper measure
-opia means vision condition |
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Definition
| the normal relationship between the refractive power of the eye and the shape of the eye that enables light rays to focus correctly on the retina. |
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Term
refraction
a.k.a. refractive power |
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Definition
| is the ability of the lens to bend light rays sothey focus on the retina. |
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Term
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Definition
| is the ability to distinguish object details and shape at a distance . |
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Term
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Definition
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Term
opthalmologist
ophthalm means eye
ologist means specialist |
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Definition
| a physician who specializes in diagnosing and treating diseases and disorder of the eyes and vision. |
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Term
optometrist
opt/o means vision
-metrist means one who measures |
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Definition
| holds a dr. of optometry degree and specializes in measuring the accuracy of vision to determine whether corrective lenses are needed. |
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Term
blepharoptosis
blephar/o means eyelid
-ptosis means drooping or sagging |
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Definition
a.k.a. ptosis
is drooping of the upper eyelid that is usually due to paralysis |
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Term
chalazion
a.k.a. internal syte |
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Definition
| is a localized swelling inside the eyelid resulting from obstruction a sebaceous gland. |
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Term
extropion
ec means out
trop means turn
-ion means condition |
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Definition
| is the eversion of the edge of an eyelid |
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Term
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Definition
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Term
entropion
en means in
trop means turn
-ion means condition |
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Definition
| is the inversion of the edge of an eyelid |
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Term
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Definition
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Term
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Definition
| is a pus filled lesion on the eyelid resulting from an infection in a sebaceous gland. |
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Term
periorbital edema
peri means surrounding
orbit means eyeball
-al means pertaining to |
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Definition
| is swelling surrounding the eye or eyes. |
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Term
conjunctivitis
a.k.a. pinkeye |
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Definition
| an inflammation of the conjunctiva that is usually caused by an infection or allergy |
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Term
|
Definition
| is an inflammation of the lacrimal gland that can be caused by a bacterial viral or fungal infection. |
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Term
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Definition
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Term
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Definition
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Term
| subconjunctival hemorrhage |
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Definition
| is bleeding between the conjunctiva and the sclera. this common condition which is usually caused by an injury creates a red area over the white of the eye. |
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Term
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Definition
a.k.a. dry eye
is the drying of eye surfaces including the conjunctiva |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
a.k.a. anterior uveitis
is an inflammation of the uveal tract affecting primarily structures in the front of the eye. |
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Term
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Definition
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Term
|
Definition
| is an injury, such as a scratch or irritation, to the outer layer of the cornea. |
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Term
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Definition
| is a pitting of the cornea caused by an infection or injury. |
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Term
|
Definition
| is an inflammation of the cornea |
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Term
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Definition
|
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Term
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Definition
|
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Term
|
Definition
| is a benign growth on the cornea that can become large enough to distort vision |
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Term
|
Definition
| is an inflammation of the sclera. it is usually associated with infections, chemical injuries, or autoimmune diseases. |
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Term
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Definition
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Term
synechia
plural- synechiae |
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Definition
| is an adhesion that binds the iris to an adjacent structure such as the lens or cornea |
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Term
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Definition
| holds structures together abnormally |
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Term
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Definition
| a condition in which the pupils are unequal in size |
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Term
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Definition
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Term
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Definition
|
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Term
|
Definition
| pupils are equal round, responsive, to light and accommodation. |
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Term
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Definition
a.k.a. detached retina
the retina is pulled away from its attachement to the choroid in the back of the eye. |
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Term
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Definition
a.k.a. vitreous floaters
- are particles of cellular debris that float in the vitreous fluid and cast shadows on the retina. |
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Term
|
Definition
| is an involuntary, constant, rhythmic movement of the eyeball that can be congenital or caused by a neurological injury or drug use. |
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Term
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Definition
a.k.a. choked disk
-swelling and inflammation of the optic nerve at the point of entrance into the eye through the optic disk. |
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Term
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Definition
|
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Term
|
Definition
| occurs when a hole develops in the retina as it is pulled away from its normal position. |
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Term
|
Definition
| is a progressive degeneration of the retina that affects night and peripheral vision. |
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Term
|
Definition
| occurs as aging causes the vitreous gel to slowly shrink. |
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Term
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Definition
| a group of diseases characterized by increased intraocular pressure that cause damage to the retinal nerve fibers and the optic nerve. |
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Term
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Definition
| is a gradually progressive condition in which teh macula at the center of the retina is damaged, resulting in the loss of central vision, but not in total blindness. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
a.k.a. double vision
- is the perception of two images of a single object. |
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Term
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Definition
|
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Term
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Definition
|
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Term
|
Definition
| is blindness in one-half of the visual field |
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Term
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Definition
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Term
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Definition
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Term
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Definition
a.k.a. color blindness
- is the inability to distinguish colors |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
a.k.a. night blindness
- is a condition in which an individual with normal daytime vision has difficulty seeing at night |
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Term
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Definition
|
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Term
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Definition
|
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Term
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Definition
| is the condition of common changes in the eyes that occur with aging |
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Term
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Definition
|
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Term
|
Definition
| is a disorder is which the eyes point in different directions or are not aligned correctly because the eye muscles are unable to focus together |
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Term
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Definition
a.k.a. crosseyes
- is strabismus characterized by an inward deviation of one or both eyes |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
a.k.a. walleye
- is strabismus characterized by the outward deviation of one eye relative to the other. |
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Term
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Definition
|
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Term
|
Definition
| is a focusing problem that occurs when the lends and cornea do not bend light so that it focuses properly on the retina |
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Term
|
Definition
| is any error of refraction in which images do not focus properly on the retina |
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Term
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Definition
|
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Term
|
Definition
| is a condition in which the eye does not focus properly because of uneven curvatures of the cornea. |
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Term
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Definition
a.k.a. farsightedness
- is a defect in which light rays focus beyond the retina. |
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Term
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Definition
a.k.a. nearsightedness
- is a defect in which light rays focus in front of the retina |
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Term
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Definition
| is a dimness of vision or the partial loss of sight, especially in one eye, without detectable disease of the eye. |
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Term
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Definition
|
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Term
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Definition
a.k.a. blind spot
is an abnormal area of absent or depressed vision surrounded by an area of normal vision |
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Term
|
Definition
| is used to measure visual acuity |
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Term
|
Definition
| is an examination procedure to determine an eye's refractive error so that the best corrective lenses can be prescribed |
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Term
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Definition
| is the unit of measurement of a lens' refractive power |
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Term
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Definition
a.k.a. funduscopy
- is the visual examination of the fundus of the eye |
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Term
|
Definition
| preparation for an examination of the interior of the eye |
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Term
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Definition
| are medicated drops placed into the eyes that produce temporary paralysis. it forces the pupils to remain dilated (wide open) even in the presence of bright light. |
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Term
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Definition
| is a diagnostic procedure in which a narrow beam of light is focused onto parts of the eye to permit the ophthalmologist to examine the structures at the front of the eye including the cornea, iris, and lens. |
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Term
|
Definition
| is the measurement of intraocular |
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Term
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Definition
|
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Term
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Definition
|
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Term
|
Definition
| is the application of fluorescent dye to the surface of the eye. it causes a corneal abrasion to appear bright green. |
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Term
|
Definition
| is a radiographic study of the blood vessels in the retina of the eye following the intravenous injection of a fluorescein dye as a contrast medium. |
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Term
|
Definition
| are used to determine whether there is proper circulation in the retinal vessels. |
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Term
|
Definition
| is a surgical incision into the orbit |
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Term
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Definition
|
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Term
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Definition
|
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Term
|
Definition
| is the partial, or complete, suturing together of the upper and lower eyelids |
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Term
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Definition
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Term
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Definition
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Term
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Definition
a.k.a. keratoplasty
is the surgical replacement of a scarred or diseased cornea with clear corneal tissue from a donor. |
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Term
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Definition
| is the surgical removal of a portion of the tissue of the iris. |
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Term
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Definition
|
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Term
|
Definition
|
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Term
|
Definition
| is an artificial substitute for a diseased or missing body replacement part. |
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Term
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Definition
|
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Term
|
Definition
| is a surgical procedure to treat myopia |
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Term
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Definition
|
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Term
|
Definition
| is the removal of the vitreous fluid and its replacement with a clear solution. |
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Term
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Definition
|
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Term
|
Definition
| is the general term used to describe the surgical removal of a cataract clouded lens |
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Term
|
Definition
| is the use of ultrasonic vibration to shatter and remove the lens clouded by a cataract. |
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Term
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Definition
|
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Term
|
Definition
| is a surgically implanted replacement for a natural lens that has been removed. |
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Term
|
Definition
| is an eye in which the natural lens has been replaced with an intraocular lens |
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Term
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Definition
|
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Term
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Definition
|
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Term
|
Definition
| uses a focused beam of light to create a hole in the iris of the eye |
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Term
|
Definition
| is used to treat open-angle glaucoma by creating openings in the trabecular meshwork to allow fluid to drain properly. |
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Term
|
Definition
| laser assisted in situ keratomileusis |
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Term
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Definition
|
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Term
|
Definition
| is the use of lasers to treat some forms of wet macular degeneration by sealing leaking or damaged blood vessels |
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Term
|
Definition
| is used to reattach the detached area in a retinal detachment |
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Term
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Definition
|
|
Term
|
Definition
|
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Term
|
Definition
| means pertaining to the sense of hearing |
|
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Term
|
Definition
| means hearing or sense of hearing |
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Term
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Definition
|
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Term
|
Definition
| means relating to sound or hearing |
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Term
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Definition
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Term
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Definition
|
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Term
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Definition
a.k.a. auricle
- is the external portion of the ear. it catches sound waves and transmits them into the external auditory canal. |
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Term
|
Definition
| transmits sound waves from the pinna to the tympanic membrane of the middle ear. |
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Term
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Definition
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Term
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Definition
a.k.a. eardrum
is located between the outer and middle ear. it transmits sound by vibrating |
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Term
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Definition
|
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Term
|
Definition
| surrounds the middle ear and are hollow air spaces located in the mastoid process of the temporal bone |
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Term
| what are the 3 auditory ossicles |
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Definition
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Term
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Definition
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Term
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Definition
|
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Term
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Definition
|
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Term
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Definition
a.k.a. labyrinth
contains the snesory reseptors for hearing and balance. |
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Term
|
Definition
a.k.a. auditory tubes
are narrow tubes that lead from the middle ear to the nasal cavity and the throat. |
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Term
|
Definition
| vibrations enter the inner ear through this structure. |
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Term
|
Definition
| snail shaped, fluid filled structure that forms the inner ear |
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Term
|
Definition
chochlear duct
the organ of corti
the semicircular canals
acoustic nerves |
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Term
|
Definition
| is a fluid filled cavity within the cochlea that vibrates when sound waves strike it. |
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Term
|
Definition
| recieves vibrations from the cochlear duct and relays them to the auditory nerve fibers. |
|
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Term
|
Definition
| contain the liquid endolymph and sensitive hair like cells. It helps maintain equilibrium |
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Term
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Definition
|
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Term
|
Definition
| transmit this info to the brain |
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Term
|
Definition
| is the process by which sound waves enter the ear through the pinnea. |
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Term
|
Definition
| occurs as the eardrum vibrates and moves the auditory ossicles |
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Term
|
Definition
| occurs when sound vibrations reach the inner ear. |
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Term
|
Definition
| specializes in the measurement of hearing function and in the rehabilitation of persons with hearing impairments |
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Term
|
Definition
|
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Term
|
Definition
| is an accumulation of earwax |
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Term
|
Definition
| means lodged or wedged firmly in place |
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Term
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Definition
a.k.a. earache
pain in the ear |
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Term
|
Definition
|
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Term
|
Definition
|
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Term
|
Definition
| means any inflammation of the war |
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Term
|
Definition
| is an inflammation of external auditory canal |
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Term
|
Definition
| is an inflammation of the middle ear. |
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Term
|
Definition
| is an inflammation of the inner ear. |
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Term
|
Definition
is a fungal infection of the external auditory canal
a.k.a. swimmers ear |
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Term
|
Definition
|
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Term
|
Definition
| is the flow of pus from the ear |
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Term
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Definition
|
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Term
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Definition
|
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Term
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Definition
|
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Term
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Definition
|
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Term
|
Definition
| is pressure-related ear discomfort that can be caused by pressure changes when flying, driving in the mountains, scuba diving, or when the eustachian tube is blocked |
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Term
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Definition
|
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Term
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Definition
|
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Term
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Definition
is inflammation of the eustacian tube
a.k.a. salpingitis |
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Term
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Definition
|
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Term
|
Definition
| is an inflammation of any part of the mastoid bone cells |
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Term
|
Definition
| is a contagious inflammation that causes painful blisters on the eardrum |
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Term
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Definition
|
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Term
|
Definition
| is the ankylosis of the bones of the middle ear, resulting in a conductive hearing loss. |
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Term
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Definition
|
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Term
|
Definition
| is distention of the eustachian tube. |
|
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Term
|
Definition
| means extended spread wide open |
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Term
|
Definition
| is an inflammation of the middle ear |
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Term
|
Definition
| usually associated with an upper resp. infection and is most commonly seen in young children. it can lead to a ruputured eardrum due to buildup of pus or fluid. |
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Term
|
Definition
| is a fluid buildup in the middle ear that can follow acute otitis media or can be caused by obstruction of the eustachian tube. |
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Term
| acute purulent otitis media |
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Definition
| is a buildup of pus in within the middle ear due to infection |
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Term
|
Definition
| is an inflammation of the labyrinth that can result in vertigo and deafness. |
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Term
|
Definition
| is a sense of whirling, dizziness, and the loss of balance, that is often combined with nausea and vomiting. |
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Term
|
Definition
| is a rare chronic disease in which the amount of fluid in the inner ear increases intermittenly, producing attacks of vertigo, a fluctuating hearing loss and tinnitus. |
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Term
|
Definition
| is a ringing, buzzing, or roaring sound in one or both ears. |
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Term
|
Definition
| is a gradual loss of sensorineural hearing that occurs as the body ages. |
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Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| sensorineural hearing loss |
|
Definition
develops when the auditory nerve or hair cells in the inner ear are damaged.
a.k.a. nerve deafness. |
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|
Term
noise-induced hearing loss
(NIHL) |
|
Definition
| is a type of nerve deafness caused by repeated exposure to extremely loud noises such as gunshots, or to moderately loud noise that continues for long periods of time. |
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Term
|
Definition
is the measurement of the ability tohear and understand speech sounds based on their pitch and loudness.
a.k.a.speech audiometry |
|
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Term
|
Definition
| is the use of an audiometer to measure hearing acuity |
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Term
|
Definition
| is a electronic device that produces acoustic stimuli of a set frequency |
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Term
|
Definition
| is a measure of sound frequency that determines how high or low a pitch is. |
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Term
|
Definition
| is commonly used as the measurement of the loudness of sound. |
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Term
|
Definition
| is used to examine the external ear canal |
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Term
|
Definition
|
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Term
|
Definition
|
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Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| is the use of air pressure in the ear canal to test for disorders of the middle ear |
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Term
|
Definition
|
|
Term
|
Definition
| is used to test for middle ear fluid buildup or eustachian tube obstruction, or to evaluate a conductive hearing loss. |
|
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Term
|
Definition
| is the surgical repair of the pinna of the ear. |
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Term
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Definition
| is the surgical removal of mastoid cells. |
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| is the surgical incision in the eardrum to create an opening for the placement of tympanostomy tubes. |
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are tiny ventilating tubes placed through the eardrum to provide ongoing drainage for fluids and to relieve pressure that can build up after chilhood ear infections.
a.k.a. pediatric ear tubes |
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| is the surgical correction of a damaged middle ear, either to cure chronic inflammation or to restore function. |
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| is the surgica removal of the top portion of the stapes bone and the insertion of a small prosthetic device known as a piston that conducts sound vibrations to the inner ear. |
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| is a surgical procedure in which a new opening is created in the labyrinth to restore hearing |
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| is the surgical removal of all or a portion of the labyrinth. this procedure is done to relieve uncontrolled vertigo; however it causes a complete hearing loss in the affected ear. |
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| is a surgical incision between two of the fluid chambers of the labyrinth to allow the pressure to equalize |
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| is an implanted electonic device that can give a deaf person a useful auditory understanding of the environment and/or hearing and help them to understand speech |
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fluorescein angiography
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macular degeneration
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radial keratotomy
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retinal detachment
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