Laser and Lasik Eye Surgery

Lasik as a procedure has several advantages over other procedures including a reflective lack of pain afterward and the fact that good vision is usually achieved by the very next day. An instrument that is used in Lasik surgery is called microkeratome. This instrument is used to create a thin, circular flap in the cornea. Another new way of making the flap is using a laser. The surgeon folds the flap back out of the way, then removes some corneal tissue underneath using an excimer laser. The excimer laser uses a cool ultraviolet light beam to precisely remove very tiny bits of tissue from the cornea to reshape it. When the cornea is reshaped in the right way, it works better to focus light into the eye and onto the retina, providing clearer vision than before. The flap is then laid back in place, covering the area where the corneal tissue was removed.

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