Contact lenses

Contact lenses

Industry: Eyewear

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posterior capsular opacification (PCO)

Eyewear; Optometry

Opacification of the posterior lens capsule. Sometimes called a "secondary cataract". Often a consequence of modern cataract surgery. It occurs when a thin membrane of tissue grows over the remaining ...

ingrowth, epithelial

Eyewear; Optometry

See Epithelial Ingrowth.

posterior chamber

Eyewear; Optometry

The space between the back of the iris and the front face of the vitreous; filled with aqueous fluid.

intacs

Eyewear; Optometry

Trade name for Intrastromal Corneal Ring Segments. Small semicircular rings of plastic that are implanted in the mid-periphery of the cornea to correct myopia (nearsighted, shortsighted vision) ...

astigmatism

Eyewear; Optometry

A condition in which the surface of the cornea is not spherical, but is irregularly shaped like the back of a spoon. An astigmatic cornea causes light images to focus on two separate points in the ...

posterior optical segment

Eyewear; Optometry

The part of the eye behind to the crystalline lens, including the vitreous, choroid, retina, and optic nerve.

intralase

Eyewear; Optometry

Manufacturer of a femtosecond laser for use in creating a Lasik flap and other precise corneal incisions. Lasik with the Intralase laser created flap is called All-Laser Lasik or All-Laser Lasik. See ...