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Laser surgery aims to modify the shape of the  Vision 20/20 Protocol Ebook Review cornea to correct myopia, hyperopia, and astigmatism. Patients must be over 18 years old to qualify for this operation. Laser correction may be done on people who cannot tolerate or who would choose not to wear prescription eyeglasses or contact lenses There are many advantages to laser eye surgery. 

The procedure effectively corrects vision problems and after having surgery, most patients no longer need to wear corrective lenses. Laser surgery is non-invasive and after surgery no stitches or bandages are required. There is also very little or no pain associated with laser vision correction. Patients can enjoy improvement in vision immediately or the next day after the surgery. If necessary, enhancements or adjustments can be made even years after LASIK surgery to further correct vision.

On the other hand, refractive lens exchange is essentially a cataract surgery but used mainly for refractive purposes. This is sometimes called clear lens exchange or CLE and is a suitable choice over laser eye surgery for people who have extreme errors in refraction or those who are presbyopic. Presbyopia is a vision condition wherein the crystalline lens of the eye loses its ability to focus, making it difficult to see object that are up close. It may seem to occur suddenly but it actually occurs over a number of years. With age, the lens of the eye gradually loses its flexibility, making it harder to focus on close objects.