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

Apical angle

Eyewear; Optometry

Angle included between the refracting surfaces and which is contained in a principal section of a prism.

Aspheric lens

Eyewear; Optometry

Lens in which at least one surface deviates from a spherical shape.

Aspherical surface

Eyewear; Optometry

Part of a surface of revolution having continuously variable curvature from the vertex to the periphery.

Coated lens

Eyewear; Optometry

Lens to which one or more surface layers have been added to alter one or more properties of the lens.

Centration point

Eyewear; Optometry

Point at which the optical centre, design reference point or fitting point is to be located in the absence of any prescribed or thinning prism, or after any such prism has been neutralized.

Bridge piece

Eyewear; Optometry

That part of the mounting which supports the trial frame on, and part of which is in contact with, the subject's nose.

Binocular indirect ophthalmoscope

Eyewear; Optometry

An ophthalmoscope which provides an illuminating system and which is used with a condensing lens in order to direct appropriately focused light into the patient's eye.