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M6 13-005

Exam 15: Visual disorders Key Terms

Astigmatism defect in the curvature of the eyeball surface
Cataract opacity or clouding of the lens
Conjunctivitis inflammation of the conjunctiva
Cryosurgery surgery to freeze the borders of a retinal hole with a frozen-tip probe
Diabetic retinopathy disorder of retinal blood vessels characterized by hemorrhage, and microaneurysms, exudates, formation of new vessels and connective tissue leading to total retinal detachment and blindness.
Enucleation surgical removal of the eyeball.
Exopthalmos protrusion of the eyeball.
Glaucoma disorder of elevated pressure in the eye
Hyperopia farsightedness (inability to see objects at close range).
Keratitis inflammation of the cornea.
Keratoplasty excision of corneal tissue, followed by surgical implantation of a donor cornea.
Miotic substance that contracts the pupil.
Mydriatic substance that dilates the pupil
Myopia nearsightedness (the inability to see objects that are far from the viewer).
Radial keratotomy surgery that uses partial thickness, radial incisions in the cornea, leaving an uncut optical center.
Retinal detachment separation of the retina from the choroid.
Sjogren’s syndrome decreased tear secretion and increased tear evaporation, with dry mouth. Also known as "Dry Eye Syndrome"
Snellen’s test assessment of visual acuity.
Strabismus inability of the eyes to focus in the same direction.
Created by: jtzuetrong