Contact lenses

Contact lenses

Industry: Eyewear

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broadbeam

Eyewear; Optometry

This is a method of applying excimer laser energy. A beam of energy is applied across the entire ablation zone at one time. See also variable beam and flying spot.

pupil

Eyewear; Optometry

Appears as a small black dot in the center of the iris. The pupil changes its diameter in response to changes in ambient lighting. The pupil varies the amount of light reaching the retina and the ...

keratotomy

Eyewear; Optometry

A surgical incision of the cornea as in Radial Keratotomy.

buttonhole flap

Eyewear; Optometry

A complication of Lasik caused when the microkeratome breaks through the top of the cornea while creating a flap of corneal tissue. See Lasik Buttonhole FlapC