Term
| What abbreviations are used relating to the eye? |
|
Definition
| OD-right eye OS-left eye OU-each eye |
|
|
Term
|
Definition
| Also know as the choroid coat is the opaque middle layer of the eyeball that contains many blood vessels and provides the blood supply for the entire eye |
|
|
Term
| What is the fovea centrals? |
|
Definition
| Is a pit in the middle of the macula. Color vision is best in this area because it contains a high concentration of cones and no rods. |
|
|
Term
|
Definition
| Is a simultaneous inwade movement of the eye toward each other. |
|
|
Term
| What is a subconjunctival hemorrhage? |
|
Definition
| Is bleeding between the conjunctivea and the sclera. |
|
|
Term
|
Definition
| Is a benign growth on the cornea that becomes large enough to distort vision. |
|
|
Term
| What is macular degeneration? |
|
Definition
| Is a gradually progressive condition in which the macula at the center of the retina is damaged resulting in the lost of central vision but not total blindness. |
|
|
Term
|
Definition
| Also known as night blindness, is a condition in which an individual with normal day time vision has difficulty seeing at night. |
|
|
Term
|
Definition
| Also known as wall eye, is strabismus characterized by the outward deviation of one eye relative to the other. |
|
|
Term
|
Definition
| Is a condition in which one eye does not focus properly because of uneven curvatures of the cornea. |
|
|
Term
|
Definition
| Also known as near sidedness is a defect in which light rays focus in the front of the retina. This condition occurs most commonly around puberty. |
|
|
Term
|
Definition
| Also known as a blind spot, is an abnormal area of absent or depressed surrounded by an area of normal vision. |
|
|
Term
| What is visual field testing? |
|
Definition
| Also known as perimetry, is performed to deturmined loss in peripheral vision. |
|
|
Term
|
Definition
| Is the partial or complete suturing together of the upper and lower eye lid. |
|
|
Term
|
Definition
| Is used to reattach the detached area in a retinal detachment. |
|
|
Term
| What are the eustachian tubes? |
|
Definition
| Also known as the auditory tubes, are narrow tubes that lead from the middle eye to the nasal cavaty and then the throat. These tubes equalize the air pressure in the middle eye with that of the outside atmosphere. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Is the flow of puss from the ear. |
|
|
Term
|
Definition
| Is the ankylosis of the bones in the middle ear resulting in conductive hearing loss. |
|
|
Term
| What is menier's syndrome? |
|
Definition
| Is a rare chronic disease in which the amount of fluid in the inner ear increasses intermittently producing attacks of virtigo, a fluctuating hearing loss and tinnitus |
|
|
Term
|
Definition
| Is a gradual loss of sensorineural hearing that occurs as the body ages. |
|
|
Term
|
Definition
| Is the use of air pressure in the ear canal to test for dissorders of the middle ear. |
|
|
Term
|
Definition
| Is a surgical inscision in the ear drum to creat an opening for the placement of tympanostomy tubes. |
|
|
Term
| What is a cochlear implant? |
|
Definition
| Is an implanted electronic devise that can give a deaf person an useful auditory understanding of the environment and or hearing and help them understand speech. |
|
|
