Eye surgery

Eye surgery

Industry: Eyewear

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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 of the excimer ...

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 from the ideal ...

Most older technology excimer laser machines employ different kinds of masks to customize, refine, and smooth the corneal surface. Many machines have an internal constricting diaphragm (like a camera ...

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).

rosacea

Eyewear; Optometry

See Ocular Rosacea.

medial

Eyewear; Optometry

Nasal or towards the nose.

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 shrinkage will reshape ...