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

A pigmented substance that adds color such as red, orange, or yellow to plants. Carotenoids have antioxidant properties that protect cells against damage from free radicals, unstable atoms that can ...

vascular birthmark

Health care; Optometry

A pink, red or purple mark (flat or slightly raised), typically on an infant's face or neck, caused by a malformation of blood vessels. Types of vascular birthmarks include capillary hemangiomas ...

Schlemm's canal

Health care; Optometry

A porous channel within the eye through which fluids drain. When drainage is blocked, high eye pressure can cause eye damage related to glaucoma.

The American National Standards Institute (ANSI)

Health care; Optometry

A private, non-profit organization that coordinates efforts to develop standards for manufacturing many different products, including eyeglass lenses. For example, certain ANSI standards define ...

punctal cautery

Health care; Optometry

A procedure that uses heat or laser energy to permanently close channels from which tears drain. Punctal cautery increases the accumulation of moisture as a treatment for dry eye. For more ...

apheresis

Health care; Optometry

A process in which blood is drawn outside the body, certain compounds are removed, and the blood is returned to the body. The technique has various applications, including: harvesting of needed ...