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Home > Industry/Domain > Eyewear; Health care > 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 termContributors in Optometry
Optometry
Centration distance
Eyewear; Optometry
Required horizontal distance between the centration points of a pair of lenses.
Central field of view
Eyewear; Optometry
Visual field in all directions extending up to 30° from fixation.
Bioactinism
Eyewear; Optometry
Property of optical radiations which enables it to cause chemical changes to biological tissues.
Binocular field of view
Eyewear; Optometry
Visual field of an individual perceived with both eyes open.
Base setting
Eyewear; Optometry
Direction of the line from apex to base in a principal section of a prism.
Bifocal lens
Eyewear; Optometry
Multifocal lens having two portions, usually for distance and near vision.
Progressive power lens
Eyewear; Optometry
Lens with a surface which is not rotationally symmetrical, with continuous change of focal power over a part or the whole of the lens.
