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What is Lasik?
Lasik, often erroneously called LasiX, is an abbreviation for "laser-assisted in situ keratomileusis". It is the surgical method of choice for the correction of corneal irregularities. There are many reasons for this. One is the freedom from pain, another is the fast – in the most literal sense of the word – and visible results. Already on the following day – if not earlier – the patient is able to see without glasses. At over 90% LASIK is the most frequently used method of refractive surgery. According to estimates, the LASIK procedure was performed over 3 million times worldwide in 2003 alone. Over the past few years more than 250,000 people in Germany have opted for the LASIK method to correct their vision defects. The treatment LASIK is the combination of a surgical incision (keratomileusis) and PRK with the excimer laser. Both the cutting instrument (microkeratome) and the laser are computer-controlled and work with the highest precision, providing for highly predictable surgical results. LASIK surgery is performed in five steps: 1. Suction procedure Prior to surgery, a suction ring is placed on the eye for fixation purposes. For a brief period of time the eye is subjected to slight pressure. 2. Preparation of the cornea An automatically controlled latest-generation microkeratom is used to prepare a thin corneal flap no more than approx. 90 micrometres thick. 3. Exposure of the stromal bed of the cornea In preparation for treatment the corneal flap is folded back like the cover of a book. 4. Laser removal of tissue According to the refractive error, the lower corneal tissue is reshaped with the excimer laser. 5. Closing of the wound Finally, the corneal flap is returned to its original position. It adheres to the surface and grows together without the need for stitching, like the body's own sticking plaster. Thus, no significant discomfort occurs during the heeling process. As an additional precaution, a protective contact lens is inserted after surgery. This lens should remain in the eye until the following day. Follow-up examination The first check-up takes place about thirty minutes after surgery. Its purpose is to ensure that the flap adheres perfectly to the eye. On the following day the protective lens is removed and the flap checked once again. In addition, a check is made of the patient's vision and thus the provisional result. 
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LASIKWhat is it? - LaserTravel
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