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

Fixation

Health care; Optometry

In terms of vision, the eye's ability to maintain gaze upon an object.

Optometrists (ODs) and ophthalmologists (MDs) both practise eye care, but in different, though often overlapping, areas: In the United States, ODs (Doctors of Optometry) examine eyes for both vision ...

Cranial nerve palsy

Health care; Optometry

Palsy (full or partial paralysis) of the third, fourth or sixth cranial nerves can result in difficulty moving the eye with such symptoms as eyes that don't point in the same direction, reduced depth ...

Episclera

Health care; Optometry

Outer layer of the eye's sclera that loosely connects it to the conjunctiva.

Cranial nerve

Health care; Optometry

One of the 12 pairs of nerves that go from the brain to other parts of the head. Those that affect the eyes and vision are the second cranial nerve (optic nerve), third (oculomotor), fourth ...

Lipid

Health care; Optometry

Organic compound that is oily, fatty, or waxy and commonly found in living cells. Lipids are one component of human tears, forming an oily outer layer that helps keep the eye moisturised by reducing ...

Chromosomes

Health care; Optometry

Paired strands of DNA that contain genes or inherited traits. Each normal cell in the human body typically has 23 pairs of chromosomes, 46 altogether, with one half contributed by the mother and the ...