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The laser surgical procedures most commonly used to correct nearsightedness cause permanent changes in the eye. They cannot be reversed. Newer options such as corneal ring implants or intraocular lens implants (IOLs) can be removed if needed.
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health.yahoo.com/vision-treatment/nearsightedness-myopi...
health.yahoo.com/vision-treatment/nearsightedness-myopia-treatment-overview/healthwise--hw124222.html
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It depends how much you need long distance sight. Having glasses may make watching television more enjoyable. They may also be required for driving.
http://wiki.answers.com/Q/Do_you_need_glasses_for_nears...
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According to the American Optometric Association, almost one in three Americans suffers from some degree of nearsightedness. ... Laser surgery has been used to correct myopia since the early 1990s, although the long-term effects of the surgeries have not been documented.
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health.usnews.com/usnews/health/healthday/071228/laser-...
health.usnews.com/usnews/health/healthday/071228/laser-surgery-can-correct-nearsightedness.htm
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The Food and Drug Administration (FDA) has approved a plastic lens that is permanently implanted into the eye to correct moderate to severe nearsightedness.The lens, called an intraocular ... The lens may not eliminate the need for glasses because the Artisan lens does not correct astigmatism. Glasses may need to be worn...
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www.medicalnewstoday.com/articles/13397.php
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See if phakic intraocular lenses, which correct nearsightedness (myopia), are right for you. ... Phakic intraocular lenses are new devices used to correct nearsightedness. These thin lenses are implanted permanently into the eye to help reduce the need for glasses or contact lenses.
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www.medicinenet.com/phakic_intraocular_lenses/article.h...
www.medicinenet.com/phakic_intraocular_lenses/article.htm
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See if phakic intraocular lenses, which correct nearsightedness (myopia), are right for you. ... What are the benefits of the phakic lens for my amount of nearsightedness? ... What is the possibility that the phakic lens will not completely correct my vision or that my prescription might be worse than before surgery?
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www.medicinenet.com/phakic_intraocular_lenses/page5.htm
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Use an image to show how concave lenses cure nearsightedness when an eyeball is too long. ... Make an overhead to explain how convex lenses can be used to correct farsightedness when an eyeball is too short.
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faculty.virginia.edu/teach-present-bio/LightRefraction....
faculty.virginia.edu/teach-present-bio/LightRefraction.html
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Lasik eye surgery is an outpatient procedure using a laser to correct nearsightedness, farsightedness and astigmatism. ... It can correct a wide range of visual problems: nearsightedness (myopia), farsightedness (hyperopia) and astigmatism. It won't correct presbyopia so you can't have the same eye corrected to see both...
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www.healthatoz.com/healthatoz/Atoz/dc/tp/tplasik.jsp
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