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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 
pseudoexfoliation syndrome
Health care; Optometry
A condition of unknown cause in which light gray, dandruff-like material forms on the pupil margin and anterior lens capsule in the eye. This material also can lodge in the ...
pseudotumor cerebri
Health care; Optometry
A condition whose symptoms mirror those of a brain tumor: increased intracranial pressure, headache, nausea, brief periods of vision loss (graying or blurring) and double vision. ...
spherical
Health care; Optometry
A contact lens design that is like a sphere and is fairly common; in contrast, toric lenses for astigmatism are football-shaped and are less common.
corneal topography
Health care; Optometry
A corneal topographer shines light onto the surface of the eye, then measures the reflected light to create a map of the cornea's curvature as well as any irregularities. The map ...
floaters
Health care; Optometry
A dark or gray spot or speck that passes across your field of vision and moves as you move your eye. Floaters are very common and may look like clouds, strands, webs, spots, ...
fovea
Health care; Optometry
A depression in the retina that contains only cones (not rods), and that provides acute eyesight.
diode
Health care; Optometry
A device, such as a semiconductor, that conducts electricity in one direction. A light-emitting diode (LED) can produce various wavelengths, colors and intensities of light.
Sub-categories
- Contact lenses (3070)
- Eye surgery (2811)
- Glasses (802)
- Optometry (16172)
- Sunglasses (524)