Laser Eye Surgery India - Low Cost Laser Eye Surgery - Laser Eye Surgery
Laser Eye Surgery India - Low Cost Laser Eye Surgery - Laser Eye SurgeryAuthor: Pankaj Nagpal Laser Eye Surgery India What is Laser Eye Surgery ? Laser eye surgery is the most commonly practiced procedure to correct vision problems caused by refractive errors, including myopia (near-sightedness), hyperopia (far-sightedness) and astigmatism (distorted vision when looking at objects at any distance). More recently, laser eye surgery has also been used to correct presbyopia (the inability to focus on nearby objects), which is part of normal aging and can be corrected by using reading glasses. All of these conditions are caused by problems with the way the eye focuses an image on the retina, which is the light-sensitive layer at the back of the eye. A large part of the eye's ability to focus depends on the shape of the cornea, the clear front surface of the eye... Common Laser Procedures PRK : - The surgeon removes the outer layer of the cornea (epithelium) with a surgical blade or blunt instrument. The laser beam, guided by a computer, is then used to vaporize tiny amounts of tissue under the surface of the cornea. The procedure removes just enough tissue to reshape the cornea in a way that corrects vision. The initial healing process is complete in about a week. LASIK : - This surgery is more complicated. The surgeon first cuts a flap in the cornea with a very sharp blade or laser, and then lifts it and uses a computer-guided laser to remove calculated amounts of tissue from the inside layers of the cornea.
Afterwards, the flap is put back and the eye heals more quickly than with PRK.
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