If any individual have a refractive error, like near-sightedness (myopia), ametropia (hyperopia), astigmatism or hypermetropia, refractive surgery could be a methodology for correcting or raising your vision. There are varied surgical procedures for correcting or adjusting your eye's focusing ability by reshaping the membrane, or clear, spherical dome at the front of your eye. Alternative procedures involve implanting a lens within your eye. The foremost wide performed sort of refractive surgery is LASIK (laser-assisted in place keratomileusis), wherever a optical device is employed to reshape the membrane. Refractive eye surgery is any eye surgery wont to improve the refractive state of the attention and reduce or eliminate dependency on glasses or contact lenses. This could embrace varied strategies of surgical remodelling of the membrane (keratomileusis), lens implantation or lens replacement (cataract surgery). The foremost common strategies these days use excimer lasers to reshape the curvature of the membrane. Victorious refractive eye surgery will cut back or cure common vision disorders like short-sightedness, ametropia and astigmatism, furthermore as chronic disorders like astigmia.
Most sorts of vision correction surgery reshape your membrane, the clear front a part of your eye. That lets lightweight travel through it and focus properly on the rear of your eye, or retina. Alternative procedures replace your eye’s natural lens.
• PRK, or photorefractive
• Phakic lens system implants
• AK or LRI