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

Add a new term

Contributors in Optometry

Become a Contributors

Optometry

Optic

Health care; Optometry

The rounded, central portion of an intraocular lens (IOL) used in cataract surgery. Optic also more generally refers to eyes or vision.

Anisocoria

Health care; Optometry

Unequal pupil size. Causes include glaucoma, head or eye trauma, an intracranial tumor, infection of the membranes surrounding the brain and previous intraocular surgery. A small percent of the ...

Aqueous humour

Health care; Optometry

The clear, watery fluid that fills the space between the cornea and lens of the eye. The aqueous humour (or aqueous) is produced by the ciliary body behind the iris and drains from the anterior ...

Optical coherence tomography

Health care; Optometry

A method of imaging that, in ophthalmology, uses light waves to provide cross-sectional views of interior eye structures. Also known as OCT.

Nanometer

Health care; Optometry

A measurement of length equal to one-billionth of a meter. Abbreviated as nm. Wavelengths of light are measured in nanometers. Eyeglass and sunglass lens manufacturers use nanometers to describe ...

A loss of the epithelial layer of the cornea, typically due to minor trauma (contact lens trauma, a sports injury, dirt or another foreign body, etc. ). Symptoms include blurred vision, foreign body ...

Glycemic index

Health care; Optometry

A method of ranking foods in terms of how quickly they affect blood sugar levels. For example, foods with high glycemic index rankings (processed foods such as white flour, sugar, etc. ) can cause ...