Optometry

Optometry

A health care profession concerned with eyes and related structures, as well as vision, visual systems, and vision information processing in humans. The practice of eye and vision care.

Industry: Eyewear; Health care

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Optometry

Argyll Robertson pupil

Health care; Optometry

Small, irregular pupil, usually caused by syphilis. Argyll Robertson pupils do not respond to light.

Spots

Health care; Optometry

Small, cloudy specks in the eye that become noticeable when they fall in the line of sight. Read our spots and floaters article.

Microkeratome

Health care; Optometry

Small instrument that surgeons use to cut the cornea.

Dry skin

Health care; Optometry

Skin that is generally dry may include dry eyelids.

Papilla

Health care; Optometry

Small bump where the optic nerve exits the eye.

Unit of measure for the refractive (light-bending) power of a lens; eye care practitioners use it in eyeglass and contact lens prescriptions. A negative number refers to nearsightedness; a positive ...

Photocoagulation

Health care; Optometry

Use of heat from a high-energy laser to seal off bleeding in damaged tissue. Photocoagulation also may prevent formation of abnormal blood vessels (neovascularization) in eye diseases such as ...