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| What are the 3 layers of the eye? |
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Sclera (the outer portion)
Choroid (the middle portion)
Retina (the inner portion) |
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| cornea, keratinized tissue |
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ocul/o
ophthalm/o
optic/o |
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| tube (eustachian or fallopian) |
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| laser-assited in-situ keratomileusis |
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| pupils are equal, round, reactive to light and accomodation |
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| eyes, ears, nose and throat |
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| disorder in which the brain disregards images from the weaker eye and relies on those from the stronger eye, sometimes called lazy eye |
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| abnormal curvature of the cornea that distorts the visual image (multiple images on the retina) |
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| noncontagious inflammation of the eyelash follicles and tiny oil glands alond the margins of the eyelids |
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| cloudiness of the lens due to protein deposits as a result of aging, disease, or trauma, or as a side effect of tobacco use or certain medications |
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| blind spot in the center of the visual field surrounded by an area of normal vision |
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| small benign cyst in the eyelid formed by the distention of a meibomian gland (sebacous gland of the eye) with secretions |
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| inflammation of the conjunctiva; also called pink eye |
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| progressive damage to microscopic vessels and other structures of the retina in patients with longstanding diabetes mellitus, which may result in blindness |
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| condition in which the lower eyelid is turned outward and droops more with aging |
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| condition in which the eyelid edges are turned inward and rub against the surface of the eye, usually affects the lower eyelid |
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| type of glaucoma in which a sudden blockage of aqueous-humor outflow causes a rapid increase in intraocular pressure; can cause vision loss; also called closed-angle glaucoma |
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| type of glaucoma in which the aqueous humor drains too slowly, leading to increasing intraocular pressure; can cause vision loss; also called primary open-angle glaucoma |
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| infection of a sebacous gland of the eyelid; also called a stye |
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| vision defect in which parallel rays focus behind the retina as a result of flattening of the globe of the eye or of an error in refraction; commonly called farsightedness |
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| destructive retinal changes caused by hypertension |
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| inflammation of the cornea, usually associated with decreased visual acuity, which may, if untreated, result in blindness |
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| loss in visual acuity that prevents a person from performing work requiring eyesight; defined as corrected visual acuity of 20/200 or less or a visual field of 20 degrees or less in the better eye |
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| macular deterioration resulting in central vision loss, categorized as either atrophic (dry) or exudative (wet) |
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| error of refraction in which light rays focus in front of the retina, enabling the person to see distinctly for only a short distance; commonly called nearsightedness |
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| involuntary back-and-forth or cyclical movements of the eyes |
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| study of the structure, functions, and diseases of the eyes |
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| permanent loss of accommodation of the lens of the eye that occurs as people enter their 40s, causing a marked inability to maintain focus on near objects |
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| separation of the inner sensory layer of the retina from the outer pigment layer, caused by a break in the inner layer that permits vitreous fluid to leak under the retina and lift off its innermost layer, may cause blindness |
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| deviation or misalignment of eyes that may adversely affect depth perception; types include extropia (eyes turned outward), esotropia (eyes turned inward), hypertropia (eyes turned upward) and hypotropia (eyes turned downward) |
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| nonspecific term for any intraocular inflammatory disorder, which my affect the iris, ciliary body, choroid, or other parts of the eye |
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| condition in which a cyst develops in the middle ear |
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| inflammation of the labyrinth within the inner ear; also called otitis interna |
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| chronic, noncontagious disorder of the labyrinth that leads to progressive hearing loss, vertigo and tinnitus |
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| acute inflammation or infection of the external auditory canal; also called swimmer's ear |
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| inflammation or infection of the middle ear |
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| chronic progressive deafness caused by spongy bone formation around the oval window with resulting ankylosis of the stapes |
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| progressive loss of hearing with aging |
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| perception of ringing, buzzing, tinkling, or hissing sound in the ear |
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| feeling of spinning or moving in space |
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| detailed measurement of hearing with an audiometer |
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| surgical insertion into the cochlea of a device that receives sound and transmits signals to electrodes implanted within the cochlea, allowing hearing-impaired persons to perceive sound |
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| use of multicolored charts to evaluate the patient's ability to recognize color |
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| Corneal transplant (keratoplasty) |
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| Surgical replacement of a diseased cornea with a healthy one from a donor |
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| surgical removal of the entire eyeball |
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| Laser-assisted in-situ keratomileusis (LASIK) |
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| Procedure in which a laser is used to alter the shape of the deep corneal layer after a top flap in the surface is opened |
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| Destruction of areas of the retina with a laser beam |
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| Removal of the lens with an ultrasonic device to treat cataracts |
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| Incision into the outer portion of the cornea to flatten it and help correct nearsightedness |
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| Hearing test that compares bone conduction to air conduction using a tuning fork |
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| Placement of a band of silicone around the eyeball to stabilize a detaching retina |
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| Examination of the posterior surface of the cornea with a slit lamp |
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| Measurement of intraocular tension to detect glaucoma |
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| Procedure for evaluation of the mobility and patency of the eardrum, detection of middle ear disorders, and evaluation of the patency of the eustachian tube |
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| Reconstruction of a perforated tympanic membrane |
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| Examination that identifies the smallest letters that can be correctly identified on a standardized Snellen vision chart from 20 feet |
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