Contact lenses

Contact lenses

Industry: Eyewear

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all-laser lasik

Eyewear; Optometry

Lasik with the corneal flap being created by a femtosecond laser rather than with a mechanical microkeratome. See All-Laser Lasik details

penetrating keratoplasty (PK)

Eyewear; Optometry

A surgical procedure when a button-like full thickness segment of the cornea is removed and replaced with a donor cornea from another person; a corneal transplant.

fluorescein staining

Eyewear; Optometry

A tiny amount of a fluorescein dye is placed in the tear film. The color will make microscopic dots appear where the eye has become dry. Excessive staining is an indication of dry eye.

perioperative

Eyewear; Optometry

Pertaining to the period extending from the time of hospitalization or admittance for surgery to the time of discharge.

This is a method of applying excimer laser energy. Rather than applying all excimer energy in a broadbeam across the entire ablation area, or the energy in variable spots sizes across the ablation ...

peripheral vision

Eyewear; Optometry

The ability to see objects and movement outside of the direct line of vision.

focusing power of the eye

Eyewear; Optometry

As light enters our eye, it must be brought to a focus on the retina in order to perceive a clear image. About two thirds of the focusing power of the eye comes from the cornea, the rest comes from ...