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In sum, one of the many practical applications of lasers is to correct errors in the cornea that produce vision disorders. Laser stands for light amplification by stimulated emmision of radiation. Lasers in eye surgery and LASIK have become commonplace in America and are very technologically advanced. One reason LASIK is so popular is because of its accuracy and precision. A pulse from the laser removes .25 microns of tissue. This is incredible considering that a human hair is around 70 microns in thickness. LASIK works very fast as well. A pulse removes 39 millionths of one inch of tissue in 12 billionths of a second. This accuracy has led to great results in eye correction and vision, and is extremely affective. To ensure safety and effectiveness in the surgery, the FDA regulates the sales of lasers used for LASIK. The company who wants to see the device must get approval from the FDA by showing them evidence that illustrates it is reasonably safe and effective. The use of lasers in eye surgery is an incredible tool to treat the errors in the eye and is improving technologically and economically every day. |
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