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

Tinted lens

Eyewear; Optometry

Lens (generally an absorptive lens) having a noticeable colour (including gray) in transmission.

Spectacle lens

Eyewear; Optometry

Ophthalmic lens worn in front of, but not in contact with, the eyeball.

Spectacle magnifier

Eyewear; Optometry

Magnifier in the form of spectacles and intended to be worn as spectacles, mounted or held close to the eye. This includes power in addition to a normal near correction.

Spherocylindrical lens

Eyewear; Optometry

Lens with one spherical surface and one cylindrical surface.

Surface power

Eyewear; Optometry

Ability of a surface (or part of a surface) to change the vergence of a bundle of rays incident in air at the surface.

Synoptophore

Eyewear; Optometry

An instrument designed to present interchangeable targets to each eye and with the ability to move targets independently in order to present them at different versional and vergence positions.