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LASIK Eye Surgery

ID: ANS00210
This 3D medical animation depicts a LASIK procedure to correct near-sightedness (myopia) of the eye. MEDICAL ANIMATION TRANSCRIPT: LASIK is a surgical procedure intended to reduce a person's dependency on glasses or contact lenses. The term LASIK stands for laser-assisted in-situ keratomileusis and is a procedure that permanently changes the shape of the cornea, which is the clear covering over the front of the eye. LASIK is an outpatient surgical procedure that usually requires about 15 minutes per eye. Your doctor will use an instrument called a lid speculum to hold your eyelid open and then place a ring on your eye that creates suction on the cornea. You may feel pressure and experience dimming of your vision at this point in the surgery. Once the ring is firmly in place, your doctor will attach a special device called a microkeratome to the suction ring. Using the blade on the microkeratome, your doctor will create a corneal flap by cutting approximately the outermost 20% of your cornea and lifting it carefully to one side. After removing the suction ring and microkeratome, your doctor will use pulses from a computer-controlled excimer laser to reshape your cornea by vaporizing tiny portions of its interior. This part of the procedure usually takes less than 60 seconds. Your doctor will then replace the corneal flap into its original position and observe the eye for several minutes to ensure bonding. Because the cornea bonds so quickly, healing is rapid, and the eye does not require stitches.
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