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specialeye pathology
| Question | Answer |
|---|---|
| error of refraction | ametropia |
| ametropia | light rays fail to focus sharply on the retina |
| ametropia is caused by: | a defect in the lens, cornea or shape of the eyeball |
| eyeball is too long | nearsightedness |
| eyeball is too short | hyperopia, hypermetropia |
| presbyopia | defect associate with aging |
| astigmatism | the cornea or lens has a defective curvature |
| procedure that changes the shape of the cornea. | LASIK |
| opacitites that form on the lens and impair vision (buildup of of protein) | cataracts |
| removal of clouded lens by emulsifying it using ultrasound or a laser probe | phacoemulsification |
| characterized by increased intraocular pressure cause by the failure of aqueous humor to drain from eye through canal of Schlemm | glaucoma |
| glaucoma is diagnosed by | tonometry |
| tonometry is | as screening test that measures intraocular pressure by determining the resustance of the eyeball to indentation by an applied force |
| condition in which one eye is misaligned with the other and the eyes do not focus simultaneously | strabismus |
| binocular perception of depth or three-dimensional space | stereopsis |
| a deterioration of the macula, the most sensitive portion of the retina | macular degeneration |
| the macula is responsible for: | central or strait ahead vision required for reading, driving, detail work, and recognizing faces. |
Created by:
MedixMOA
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