5 Terms
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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
Polarising lens
Eyewear; Optometry
Lens showing differential luminous absorbtion according to the plane of polarising of the incident light.
Predecentration
Eyewear; Optometry
Distance, horizontal and/or vertical, between the design reference point and the geometric centre of an uncut spectacle lens.
Primary position
Eyewear; Optometry
Position of the eye relative to the head looking straight ahead at an object at eye level.
Prism dioptre
Eyewear; Optometry
Unit of prismatic deviation, equal to 100 tan d, where d is the angle of deviation, in degrees.
Progressive side
Eyewear; Optometry
That side of a progressive-power lens on which the greater addition power ist situated.
Measured power
Eyewear; Optometry
Dioptric power at a specified point on a spectacle lens by measurement using a given method.
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