Contact lenses

Contact lenses

Contributors in Contact lenses

Contact lenses

A surgical procedure that permanently alters the shape of the cornea by placing microscopically thin relaxing incisions in the peripheral cornea. The incisions cause the central portion of the cornea ...

Lagophthalmos

Eyewear; Optometry

The inability or difficulty closing one's eye. This can be caused by Bell's Palsy, trauma, neurosurgery, bacterial infection, stroke, and cosmetic surgery. Common symptoms are severe dry eye and ...

Cataract

Eyewear; Optometry

Also known as nuclear sclerosis. Cataracts are an opacity or clouding of the natural crystalline lens that may prevent a clear image from forming on the retina. Cataracts occur naturally and can be ...

Laser

Eyewear; Optometry

An acronym for Light Amplification by the Stimulated Emission of Radiation. Laser light is different from ordinary light in that it is composed of one colour (wavelength) travelling in one direction ...

Reading glasses

Eyewear; Optometry

Spectacles that induce a small amount of myopia (nearsighted, shortsighted vision), also called plus lenses. Reading glasses, often called readers, are used temporarily by individuals who are ...

Laser assisted epithelium keratomileusis

Eyewear; Optometry

Laser Assisted Sub-Epithelium Keratomileusis (LASEK) is the detachment of the epithelium with the use of an alcohol solution that softens the epithelium and allows it to be rolled back into a flap. ...

Central island

Eyewear; Optometry

A complication of excimer laser assisted refractive surgery where the laser fails to remove a portion of cornea. If one views the concave area of the ablation like a lake, one can imagine an island ...