Refractive surgery is a general term referring to the collection of many different surgical procedures, all with the key intent to fix the refractive error of the eye. Refractive surgery is the preferred treatment for rectifying a variety of vision impairments. Its popularity is owing to the fact that it produces efficacious and predictable vision improvement without any major side effects.
Essentially speaking, refractive surgery is any eye surgery employed to improve visual acuity and decrease dependency on glasses or contact lenses. The refractive surgery field encompasses operative procedures for all types of refractive errors, be it myopia, hypermetropia, astigmatism or presbyopia. The most common procedure is to use lasers to reshape the corneal tissue.
Laser Assisted In-Situ Keratomileusis (LASIK) is the most commonly performed refractive surgery procedure. Especially recommended for treating nearsightedness, it consists of cutting a flap in the cornea in order to carve the tissue underneath and give it the desired shape. The eye surgeon may either use a microkeratome (a precision surgical instrument) or a laser to cut a flap of the corneal tissue. Then...