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Optometry terms
Abbreviations
Question | Answer |
---|---|
Any flaw during the manufacture(grinding)of a lens interfering with vision | Aberration (abb-er-ray-shun) |
Increase in the focusing power allowing the eye to see clearer @ diff. locations | Accommodation |
Ability for the eye to retain an image during eye blinks | After-image phenomenon |
Defective vision that can't be corrected by glasses or lenses (lazy eye) | Amblyopia (am-blee-OH-pee-uh) |
One eye nearsighted the other farsighted | Antimetropia (anti-met-TROPE-ee-uh) |
Absence of a crystalline lens in the eye (after cataract removal) | Aphakia (ay-FAY-key-uh) |
Eyeglasses using two different powers in each lens | Bifocals |
A clouding or yellowing of the eye's crystalline lens | Cataract |
Eyelashes | Cilium (SILLY-um) |
Inflammation of the conjunctiva (pink eye) | Conjunctivitis |
Transparent front part of the eye providing focusing power | Cornea |
Usually expressed as "D" is a unit of measure expressing the power of the perscription | Diopter |
An eye-muscle disorder, a single object is seen as a pair | Diplopia (Double Vision) |
A disease with increased pressure within the eyeball | Glaucoma |
Measurement of visual acuity at the reading distance | Jaeger test |
Device for measuring the power of prescription for eyeglasses or contacts | Lensometer, Vertometer |
A headache that usually occurs on one side of the head(visual disturbances follow) | Migraine |
Able to see close up better than faraway | Myopia (Nearsightedness) |
Age-related vision defect requiring reading glasses or (diff multifocals)for correction | Presbyopia |
Blk, circular hole in the iris that regulates the amount of light entering the eye | Pupil |
Automatic contraction of the pupil when exposed to light and sources | Pupillary Reflex |
Opaque white of the eye connected to the cornea | Sclera |
Farsightedness | Hyperopia |