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

Acuity

Eyewear; Optometry

Clearness, as in visual acuity. The most common measure of visual acuity is the Snellen acuity chart. Normal acuity being 20/20 (6/6 metric version).

Optic nerve

Eyewear; Optometry

The optic nerve is a bundle of nerve fibers, about the diameter of pencil, which passes through the back of the eyeball and connects to the nerve fibre layer of the retina. It can be observed ...

Esophoria

Eyewear; Optometry

The position of the eyes in an over-converged position compensated by the external eye muscles so that the eyes do not appear turned inward.

Adnexa

Eyewear; Optometry

The accessory structures of the eye, including the eyelids, lacrimal gland, lacrimal ducts, etc.

The area of the eye through which light passes to the retina. To reach the retina light must pass through the cornea, aqueous humor, crystalline lens, and vitreous while passing through the pupil. ...

Zonules

Eyewear; Optometry

The fibres that hold the lens suspended in position and enable it to change shape during accommodation.

Off label use

Eyewear; Optometry

A term used for procedures that are legal, but are not specifically approved for a particular device or drug. An example is Lasik. The excimer laser is FDA approved for PRK, but not for Lasik, which ...