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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 > Eye surgery 
complex wavefront retreatment (CWR)
Eyewear; Optometry
A secondary surgery using wavefront-guided ablation in an attempt to reduce higher order aberrations induced by previous surgery. Complex Wavefront Retreatment is an off-label use ...
root mean square (RMS)
Eyewear; Optometry
Actually means the root of the mean of the squares and is an evaluative measurement of a wavefront diagnostic. It describes the smoothness of the surface in terms of deviation ...
concave lens
Eyewear; Optometry
A lens with a hollow shape like the inside surface of a ball. Concave lenses are minus power lenses and are used to correct myopia (nearsighted, shortsighted vision).
conductive keratoplasty (CK)
Eyewear; Optometry
A refractive surgery procedure for hyperopia and astigmatism that uses a probe to apply high frequency radio waves into the corneal tissue, causing shrinkage. This controlled ...
Sub-categories
- Contact lenses (3070)
- Eye surgery (2811)
- Glasses (802)
- Optometry (16172)
- Sunglasses (524)