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sclero
thick, hard, sclera
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leukocoria
condition of white in the pupil
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astigmatism
- defective curvature of the refractive surface of the eye
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cataract
reduction of transparancy of the lens
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chalazion
localized swelling at the edge of an eyelid caused by obstruction of a meibomian gland
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dacryocystitis
inflammation of the lacrimal sac
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glaucoma
a loss of vision resulting from increased intraocular pressure, which damages the optic nerve
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macular degeneration
progressive deterioration of an area of the retina known as the macula lutea, which leads to a loss of central vision
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nystagmus
involuntary, rhythmic movement of the eye
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pterygium
abnormal fold of fibrous tissue that extends between the conjunctiva and cornea
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retinitis pigmentosa
an inherited disease characterized by night blindness, progressive atrophy, and retinal pigment changes
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scotoma
abnormal blind spot in vision
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enucleation
excision of an eyeball from the socket
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fluorescien angiography
visual recording of blood vessels in the retina and choroid using fluorescein dye, which is injected into a vein and circulates through the eye
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LASIK
laser assisted in situ keratomileusis. the use of a laser to reshape the corneal tissue beneath the surface of the cornea to correct vision abnormalities
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phacoemulsification
use of ultrasound frequencies to break up a cataract, which is then aspirated and removed
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photorefractive keratectomy
use of a laser to reshape the cornea in an effort to correct myopia
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radial keratotomy
incisions into the cornea to produce a spoke like effect, which serves to flatten the cornea and correct for myopia
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strabotomy
incision into the tendon of an eyes extrinsic muscle to correct strabusmus
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