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Anterior transparent portion of the eyes fibrous outer surface
cornea
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The process where by the eyes make adjustments for seeing objects at various distances
accommodation
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The center of the iris through which light enters the eye
Pupil
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A colored membrane that attached to the ciliary body and suspended between the lens and the cornea in the aqueous humor
Iris
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An involuntary, constanst, rhythmis, movement of the eyeball
Nystagmus
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Dullness of vision
Amblyopia
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A drooping of the upper eyelids
Blepharoptosis
- blepharo:eyelidp
- ptosis: prolapse, drooping
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A process of turning outward, as the edge of an eyelid
Ectropion
- ec: out
- trop: turn
- ion:process
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An instrument used to measure intraocular pressure
Tonometer
- Tono:tone
- Meter:instrument to measure
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A condition in which teh individual has difficulty seening at night;night blindness
Nyctalopia
- nyctal:blind
- opia: eye, vision
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A malignant tumor arising from the germ cell of the retina
Retinoblastoma
- Retino: retina
- blast: germ cell
- oma:tumor
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an opacity of the crystalline lens or its capsule; often occurs in adults past middle age
cataract
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Farsightedness
A defect in vision in which parallel rays come to a focus beyond the retina
Hyperopia
- Hyer: beyond
- opia:eye vision
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Surgical binding of part of teh iris to form an artificial one
Iridodesis
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One who specializes in the study of the eye
Ophthalmologist
- ophthalmo:eye
- log:study of
- ist: one who specializes
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A condition of hardening of the crystalline lens
Phacosclerosis
- phaco: lens
- scler: hardening
- osis: condition of
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unusual intolerance of light
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earwax, the yellowish substance secreted by the glands in teh canal of the external ear
cerumen
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complete or partial loss of the ability to hear.
deafness
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a fungus condition of the ear.
otomycosis
- oto:ear
- myc: fungus
- osis: condition of
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serum fluid of the inner ear
perilymph
lymph: serum, pale fluid
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a ringing or jingling sound in the ear
Tinnitus
- tinnit: a jingling
- us:pertaining to
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A state of balance. in the inner ear, teh semicircular canals are the site of the organs of balance
Equilibrium
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