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Trends in Vision Correction: LASIK, LASEK, and Beyond

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The bad news is most of us will develop one or more vision problems as we age. The good news is technology is advancing to help us keep as much as we can of what we have. The Vision Council of America encourages everyone to get an eye exam every year to detect sight-threatening problems early.

As long as the retina and optic nerve remain healthy, there are many options for correcting poor vision: glasses, contact lenses, refractive keratotomy, photorefractive keratectomy (PRK), laser assisted in-situ keratomileusis (LASIK), laser assisted subepithelial keratomileusis (LASEK), Epi-LASIK, and phakic intra-ocular lenses.

LASIK is the current standard for vision correction surgery. In this procedure, a thin flap is cut from the cornea. A laser is then used to reshape the underlying tissue, then the flap is replaced as a natural bandage. LASEK is similar, but the flap is an ultra-thin layer of epithelial tissue. This gives the surgeon more corneal tissue to work with. Epi-LASIK is something of a compromise between these two techniques. Each has advantages and disadvantages; your surgeon will recommend the technique that offers the best potential for your vision.

Surgically implanted lenses are a different approach. For cataract patients, the surgeon removes the eye's natural but cloudy lens and replaces it with a synthetic lens made of plastic or silicone. For patients without cataracts, the surgeon can add a synthetic lens without removing the natural lens.

The additional lenses are called phakic lenses. For patients with high degrees of near-sightedness, laser surgery may not be able to provide enough correction, but phakic lenses still offer a possibility of complete vision correction. Currently there are 24 implantable lenses approved by the FDA.

It's common for our natural eye lenses to lose some of their flexibility with age. As a result, the range of distances over which we can focus decreases. Most of us notice difficulty in reading and other close work sometime in our 40s or 50s. A cutting edge technology for implantable lenses is the ability to accommodate to different viewing distances.

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EmpowHER Guest

Lasik surgery is one of the most common eye vision correction available today. Before deciding to undergo Lasik surgery, there are important factors to consider. The New York Lasik Surgery is one of the well known Lasik surgery provider for its reputation of expertise.

May 17, 2010 - 9:37am
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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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