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.