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Eyewear
Eyeglasses, goggles or other objects worn over the eyes, usually to aid vision or for protective purposes.
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Eyewear > Optometry 
atoric lens
Eyewear; Optometry
Lens with astigmatic power in which at least one principal meridian is not spherical.
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.
progression zone
Eyewear; Optometry
Transition zone between the distance and near zones of a progressive lens.
prismatic test lens
Eyewear; Optometry
Lenses used for the calibration of the prismatic deviation measurements by focimeters, in which the prismatic power of each lens is expressed in centimetres deviation per metre ...
viewing lenses
Eyewear; Optometry
Lenses which are positioned between the observer's eye(s) and the eye to be examined in order to achieve optimum focus.
visual field
Eyewear; Optometry
Sum of all directions from which the eye may perceive visual stimulation at a defined moment in time and the performance of the perception of this stimulation. Also known as field ...
Sub-categories
- Contact lenses (3070)
- Eye surgery (2811)
- Glasses (802)
- Optometry (16172)
- Sunglasses (524)