Glossary of Terms

Cornea: the clear surface of the eye that refracts light rays as they enter the eye.

Crystalline Lens: the natural lens of the eye involved in focusing images onto the retina.

Excimer Laser: laser used to perform refractive surgery.

Iris: the colored portion of the eye that aids in controlling the amount of light that enters the eye.

IOL: intraocular contact lens. IOLs are used to replace the natural lens of the eye.

Microkeratome: instrument used to create the flap during LASIK surgery.

Phacoemulsification — technique used to break up the lens of the eye during cataract surgery and clear lens extraction.

Phakic Lens: the natural lens of the eye involved in focusing images onto the retina.

Pupil: the open space in the center of the iris through which light passes to the lens of the eye.

Retina: portion of the eye that images are focused onto before they are sent along the optic nerve and into the brain.

iLASIK IMAGE ON SCREEN GOOD