Understanding the Procedure
For many individuals who need vision correction, LASIK surgery offers a permanent way to improve eyesight without requiring cumbersome glasses or fragile contact lenses. LASIK surgery is an outpatient procedure that does not require general anesthesia; as a result, most patients can return home the same day with special instructions to protect the eyes as they heal. With simple precautions, adequate rest and proper post-operative care, many San Jose LASIK patients can return to normal physical activity within a day or so and to work within a week, though strenuous physical activity should be avoided for at least four weeks after the surgery and swimming is contraindicated for two months or more.
Photorefractive keratectomy, or PRK, is another surgical method to improve vision. Both LASIK surgery and PRK involve the reshaping of the cornea by using a laser to alter the shape of the deeper layers of the cornea, changing its shape and correcting the patient’s eyesight permanently. PRK removes a layer from the cornea, while LASIK surgery reshapes it; in some cases where the tissue is not strong enough to withstand LASIK procedures, a planned LASIK surgery may be converted to a PRK procedure during the surgery.
Most practitioners require an in-depth eye examination for prospective patients in order to determine whether they are good candidates for the procedure. Patients must also meet several criteria, including:
• Stable vision for at least one year
• No eye injuries or infections for at least one year
• Must not be pregnant
• Must not be suffering from an autoimmune disorder
• Cornea to be treated must be free of scarring
• Eye must not dilate beyond seven millimeters in darkness
The LASIK procedure typically takes less than thirty minutes to complete and is accomplished by using a specialized LASIK machine. First the eye is numbed, and then a speculum is used to hold the eyelids open throughout the process. A small flap is cut in the surface of the cornea using a precise laser or mechanical device, and the interior layer of the cornea is reshaped to exact specifications. Most LASIK providers recommend making arrangements in advance for someone else to drive the patient home after surgery, since vision will be affected for about a week after the surgery is completed.
Patients looking for the best results from San Jose LASIK surgery professionals should consider more than just price when making their selection. Reputable offices require a full pre-screening and a number of post-operation examinations in order to ensure that the healing process proceeds smoothly and that the surgery achieves the desired effect. After all, lasik complications are easier avoided by means of preclusion rather than prescription. A lazer eye surgery is serious business and preliminary precautions should be taken.
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