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accommodation
normal adjustment of the eye to focus on objects from far to near
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aqueous humor
fluid produced by the ciliary body and its the fluid in front of the lens
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biconvex
consisting of 2 surfaces that are rounded, elevated, and curved evenly. ex lens of the eye
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choroid
middle, vascular layer of the eye, between the retina and sclera
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conjunctiva
delicate membrane lining the undersurface of the eyelids and covering the anterior eyeball
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cornea
fibrous transparent layer of clear tissue that extends over the anterior portion of the eyeball
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fundus
posterior, inner part of the eye
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iris
colored layer that opens and closes to allow more or less light into the eye
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lens
transparent biconvex body behind pupil of the eye
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macula
yellowish region on the retina lateral to and slightly below the optic disc
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optic nerve
cranial nerve carrying impulses from the retina to the brain
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pupil
central opening of the eye
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refraction
bending of light rays by the cornea, lens and fluids of the eye to bring the rays into focus on the retina
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retina
light-sensitive nerve cell layer of the eye
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sclera
tough, white outer coat of the eyeball
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vitreous humor
soft, jelly-like material behind the lens
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blepharitis
inflammed eyelid
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blepharoptosis
drooping of the eyelid
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conjuctivitis
inflammed conjunctiva
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corneal
pertaining to the cornea
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dacryoadenitis
inflammated tear gland
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iridectomy
a portion of the iris is removed to improve drainage of aqueous humor or to extract a foreign body
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keratitis
inflammated cornea
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lacrimal
pertaining to tears
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lacrimation
the production, secretion and shedding of tears
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opthalmologist
a medical doctor who specializes in treating disorders of the eye
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optometrist
nonmedical professional who can examine eyes to determine vision problems and prescribe lenses
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optician
a person qualified to make and supply eyeglasses contact lenses for correction of vision
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retinitis
inflammed retina
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retinopathy
disease of the retina
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scleritis
inflammed sclera
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amblyopia
Impaired or dim vision without obvious defect or change in the eye.
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nyctalopia
night blindness
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photophobia
sensitivity to light
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presbyopia
impairment of vision as a result of old age
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esotropia
inward turning of an eye
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astigmatism
defective curvature of the cornea or lens of the eye
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cataract
clouding of the lens
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diabetic retinopathy
microaneursyms, hemorrhages
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glaucoma
increased pressure in the eye results in damage to the retina and optic nerve with loss of vision
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macular degeneration
progessive damage to the macula of the retina
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retinal detachment
2 layers of the retina separate from each other
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strabismus
abnormal deviation of the eye
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ophthalmoscopy
visual examination of eye
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visual acuity
assess clarity of vision
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enucleration
removal of entire eyeball
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keratoplasty
repair of cornea
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vitrectomy
removal of vitreous and replace with a clear solution
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auditory canal
channel that leads from the pinna to the eardrum
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auditory tube
channel between the middle ear and the nasopharynx (Eustachian tube)
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auricle
flap of the ear, the protuding part of the external ear
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Eustachian tube
auditory tube
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ossicle
small bone of the ear
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pinna
auricle, flap of the ear
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tympanic membrane
membrane between the outer and middle ear , also called the eardrum
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audiometer
an instrument used to measurement the sensivity of hearing
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audiogram
a graphic record produced by audiometry
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aural
relating to the ear or the sense of hearing
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mastoiditis
inflammed mastoid process
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myringotomy
incision to the eardrum
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otomycosis
fungal ear infection
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otopyorrhea
pus discharge from the ear
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otolaryngologist
a specialist in the disorders of the ear, nose or throat
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salpingopharyngeal
pertaining to auditory tube and pharynx
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tympanoplasty
reconstruction of the bones of the middle ear
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presbycusis
age-related hearing loss
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Meniere disease
disorder of cochlea
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otitis media
inflammation of the middle ear
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otosclerosis
hardening of the bony tissue of the middle ear
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tinnitus
ringing of the ears
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vertigo
sensation of whirling motion
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syncope
temporary loss of consciousness caused by fall in blood pressure
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audiometry
measure hearing loss
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otoscopy
visual exam of ear and eardrum
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