20 Terms
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
progressive surface
Eyewear; Optometry
Surface, which is not rotationally symmetrical, with a continuous change of curvature over a part or whole of the surface.
prism reference point
Eyewear; Optometry
For a progressive power lens or semifinished lens blank, that point on the front surface stipulated by the manufacturer at which the prismatic effect of the finished lens is determined.
projection perimeter
Eyewear; Optometry
Perimeter which utilizes a projection system to create the test stimuli on the background.
polarizing lens
Eyewear; Optometry
Lens showing differential luminous absorbtion according to the plane of polarizing 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.
