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Laser Surgery
Methods of laser surgery for correction of refractive errors have developed rapidly during the years, with the development of Excimer-Laser. There are a few Laser methods for correcting refractive errors like: PRK, LASIK, LASEK etc. Learn more about LadarVision 4000 technology
A short video in regards to the operating procedure of Lasik surgery
LASIK (Lazer in situ Keratomileus): To begin the traditional LASIK vision correction procedure, the eye will be anesthetized with topical eye drops. The patient will be asked to lie on a table with laser equipment mounted above it. The eye will be held open with a special instrument, a speculum. The other eye is protected by a shield. As the patient stares at a small blinking light, the LASIK surgeon will use a microkeratome to create a hinged corneal flap on the outer layer of the eye. After the flap has been created, an excimer laser is used to remove the precise amount of corneal tissue needed to correct your refractive error. As the LASIK vision correction patient continues to stare at the blinking light, the LASIK surgeon then will apply very small, rapid bursts of the laser, reshaping the cornea. Once the cornea has been reshaped, the flap is replaced. The actual surgery usually takes app. 15 minutes.
PRK: same like with Lasik procedure, the eye will be anesthetized with topical eye drops. PRK procedure is different in that unlike LASIK the eye surgeon doesn't need to use a microkeratome to make a flap, but instead, he removes the superfitial surface of the cornea, and then is able to apply the laser directly under the surface of the cornea to achieve the desired vision correction effect. PRK is better suited for people with thin corneas or certain other corneal abnormalities where using a microkeratome might not be the best choice. After the surgery, a contact lens should be kept for about 3-5 days.
LASEK is a relatively new surgery that utilizes a trephine to create an epithelial flap (as opposed to a deeper stromal flap with LASIK) and an alcohol solution to preserve the epithelial cells. Once the epithelial flap is created and lifted, the treatment proceeds as for traditional PRK, with light smoothing at its conclusion. Then, the epithelial flap is repositioned with a small spatula.
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