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

Finished lens

Optometry; Optometry

Lens of which both sides have their final optical surface.

Equivalent power

Eyewear; Optometry

Power of an infinitely thin lens which will produce an image of a distant object of the same size as that produced by the actual lens.

Eye refractometer

Eyewear; Optometry

Instrument used for continuous or digital readout used for measuring the refractive error of the eye.

Fitting point height

Eyewear; Optometry

Vertical distance of the fitting point above the horizontal tangent to the lens shape at its lowest point.

Fitting point

Eyewear; Optometry

That point on the front surface of a lens or semifinished lens blank stipulated by the manufacturer as a reference point for positioning the lens in front of the eye.