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What Is
LASIK Eye Surgery? w w w. d r a g a r w a l . c o m
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Overview LASIK eye surgery is the best known and most commonly performed laser refractive surgery to correct vision problems. Laserassisted in situ keratomileusis (LASIK) can be an alternative to glasses or contact lenses.
During LASIK surgery, a special type of cutting laser is used to precisely change the shape of the dome-shaped clear tissue at the front of your eye (cornea) to improve vision.
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The Procedure What does LASIK eye surgery involve, exactly? First, you and your eye doctor will discuss how the procedure works. They’ll help manage your expectations. For example, this eye surgery won’t give you perfect vision. Your eye doctor will complete a series of tests to ensure you’re an ideal candidate. They’ll likely: Measure the refractive error Check your pupil size Make sure your eyes are healthy Test to determine if your vision has changed Measure the amount and quality of tears your eyes make Measure the cornea’s thickness and surface
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Potential Side Effects Before scheduling eye surgery, make sure to talk to your doctor about potential Dry eyes. Glare, halos and double vision Undercorrections. Overcorrections Astigmatism Flap problems. Regression Vision loss or changes. In extremely rare cases, patients can develop blindness.
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Before the procedure During the evaluation, your eye doctor will ask about your medical and surgical history and give you a comprehensive eye examination to evaluate your vision and assess whether you can undergo the procedure safely. Your doctor will look for signs of: Eye infection Inflammation Dry eyes Large pupils High eye pressure
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How you prepare Steps you can take to prepare for surgery include: Know what surgery may cost you. LASIK surgery is usually considered elective surgery, so most insurance companies won't cover the cost of the surgery. Be prepared to pay out-of-pocket for your expenses. Arrange for a ride home. You'll need to have someone drive you to and from your place of surgery. Immediately after surgery, you might still feel the effects of medicine given to you before surgery, and your vision may be blurry. Skip the eye makeup. Don't use eye makeup, cream, perfumes or lotions on the day before and the day of your surgery. Your doctor may also instruct you to clean your eyelashes daily or more often in the days leading up to surgery, to remove debris and minimize your risk of infection.
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During the procedure LASIK surgery is usually completed in 30 minutes or less. During the procedure, you lie on your back in a reclining chair. You may be given medicine to help you relax. After numbing drops are placed in your eye, your doctor uses an instrument to hold your eyelids open. A suction ring placed on your eye just before cutting the corneal flap may cause a feeling of pressure, and your vision may dim a little. Your eye surgeon uses a small blade or cutting laser to cut a small hinged flap away from the front of your eye. Folding back the flap allows your doctor to access the part of your cornea to be reshaped
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During the procedure Using a programmed laser, your eye surgeon reshapes parts of your cornea. With each pulse of the laser beam, a tiny amount of corneal tissue is removed. After reshaping the cornea, the surgeon lays the flap back into place. The flap usually heals without stitches. During the surgery, you'll be asked to focus on a point of light. Staring at this light helps you keep your eye fixed while the laser reshapes your cornea. You may detect a distinct odor as the laser removes your corneal tissue. Some people describe smelling an odor similar to that of burning hair. If you need LASIK surgery in both eyes, doctors will generally conduct the procedure on the same day.
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After the procedure Immediately after surgery, your eye might itch, feel gritty, burn and be watery. You'll probably have blurred vision. You generally will experience little pain, and you'll usually recover your vision quickly. You might be given pain medication or eyedrops to keep you comfortable for several hours after the procedure. Your eye doctor might also ask you to wear a shield over your eye at night until your eye heals. You'll be able to see after surgery, but your vision won't be clear right away. It takes about two to three months after your surgery before your eye heals and your vision stabilizes. Your chances for improved vision are based, in part, on how good your vision was before surgery.
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After the procedure You'll have a follow-up appointment with your eye doctor one to two days after surgery. He or she will see how your eye is healing and check for any complications. Plan for other follow-up appointments during the first six months after surgery as your doctor recommends. It might be a few weeks before you can start to use cosmetics around your eyes again. You might also have to wait several weeks before resuming strenuous contact sports, swimming or using hot tubs. Follow your doctor's recommendations about how soon you can resume your normal activities.
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