Lasik Surgery

Topics: LASIK, Ophthalmology, Contact lens Pages: 4 (1188 words) Published: April 9, 2013
Laser-Assisted in Situ Keratomileusis
LASIK or Lasik (Laser-Assisted in Situ Keratomileusis), commonly referred to as laser eye surgery, is a type of refractive surgery for the correction of myopia, hyperopia, and astigmatism. The LASIK surgery is performed by an ophthalmologist who uses a laser or microkeratome to reshape the eye's cornea in order to improve visual acuity. For most patients, LASIK provides a permanent alternative to eyeglasses or contact lenses. Major side effects include halos, starbursts, night-driving problems, keratoconus (corneal ectasia), and eye dryness. Officially started in:

On 20 June 1989, Gholam A. Peyman was granted a US patent for LASIK What Are the Advantages of LASIK Eye Surgery?
Around 90% of patients will have their desired vision after LASIK. An enhancement can further increase this number. LASIK is associated with very little pain.
Vision is corrected nearly immediately or by the day after LASIK. No bandages or stitches are required after LASIK.
Adjustments can be made years after LASIK to further correct vision. After having LASIK, most patients have a dramatic reduction in eyeglass or contact lens dependence and many patients no longer need them at all. Preoperative procedures:

Contact lenses
Patients wearing soft contact lenses are instructed to stop wearing them 5 to 21 days before surgery. Pre-operative examination and education
In the USA, the FDA has approved LASIK for age 18 and over.[21] More importantly the patient's eye prescription should be stable for at least one year prior to surgery. The patient may be examined with pupillary dilation and education given prior to the procedure. Before the surgery, the patient's corneas are examined with a pachymeter to determine their thickness, and with a topographer, or corneal topography machine,[1] to measure their surface contour. Using low-power lasers, a topographer creates a topographic map of the cornea. The procedure is contraindicated if the...
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