What are the different types of LASIK technology available?
Wearing glasses is not always the best solution for eyesight problems. These days, what with the peer pressure to look good, and glasses becoming quickly obsolete, newer ways to fix the problem has to be found. Wearing contact lens is not suitable for long hours of use, although they are comfortable. The best way to fix the common eyesight problem is to go through a corrective surgery, which is quickly becoming the most sought after way to correct the power. LASIK technology makes it possible to have pain free eye surgeries to correct the error in power, putting an end to requirement of wearing glasses, or contact lens lifelong. LASIK is the abbreviation for “Laser Assisted In Situ Keratomileusis”, where excimer laser beams are used to correct the eye sight permanently.
LASIK technology basically involves making a small cut to the epithelium, then using the Laser to reshape the cornea for the corrected vision. The recovery time is very fast, and the individual can return to daily routine from the very next day. There are many variants for this technology that can be used for different kinds of vision corrections. Some of them are listed below:
LASEK Surgery and Epi-LASIK:
LASEK surgery involves the same procedure as LASIK, but it does not make a cut to the epithelium layer. Instead, it uses alcohol to separate the two layers, makes the correction to the cornea and replaces the epithelium layer. This is a very convenient procedure most suitable for people with thin cornea, and since no blade is used, healing time is also very less. But the individuals must be tested for sensitivity to alcohol before performing this, since the side effects of alcohol can leave the eyes irritated. Epi-Lasik Surgery is like LASIK technology and makes use of very fine surgical blade to make an incision. The flap made by incision is very small and therefore causes no irritation to the eyes when healing.
Intra LASIK:
Intra LASIK makes use of only laser beams to reshape the cornea and correct the vision. No other technology is used in this surgery and surgical blades are not involved in making the incision. The accuracy of this surgery is very good, and so it costs slightly higher than the other types of surgery.
Wave front LASIK:
This is highly sophisticated, technology driven surgery, and much like intra LASIK, no blades are used in the surgery. While Intra LASIK makes use of manual methods for accuracy and hence is susceptible to more errors, wave front LASIK makes use of 3D mapping technology which reduces the errors in correction. Of the available options, this is the most accurate form of corrective surgery, and also the most expensive one.
All LASIK surgery methods are practically pain-free, since numbing drops are used to make the patients comfortable. Also, LASIK procedure takes very less time, with results that last lifelong. Since it is quickly becoming very common, it is very affordable when compared to the yearly costs of contact lens and glasses that have to be constantly replaced.
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