The Corneal Flap
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In order to get access to the imperfections on the cornea that are causing the vision deficits, a flap has to be created in the cornea. This is the source of concern for many patients, but in fact, it's quite easy!
Refractive vision surgery began in the 1970's. Back then, before the unbelievable technological advances of computers, the corneal flap was created by cutting open the outer most layer of the eye ball with a diamond-tipped blade. These days, the cornea flap is actually created with the laser to reduce inaccuracies. This level of technologies allows LASIK surgeons to be meticulous and precise, and means significantly better results for the patient.
While some potential patients are concerns that the flap will be a source of pain, the flap is actually more comfortable for the patient. The direct access to the eye that the flap allows means less pain, shorter recovery times, and better surgical results.
If you have questions regarding the creation of the corneal flap, and the type of laser or instruments that will be used in the creation of your personal corneal flap, discuss it with your LASIK surgeon.