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Limbal Relaxing Incisions (LRI) are a refractive surgical procedure to correct minor astigmatism in the eye. Incisions are made at the opposite edges of the cornea, following the curve of the iris, causing a slight flattening in that direction. Because the incisions are outside of the field of view, they do not cause glare and other visual effects that result from other corneal surgeries like Radial Keratotomy. LRI have become the most common technique to correct astigmatism as part of cataract surgery. They are simpler and less expensive than laser surgery such as LASIK or photorefractive keratectomy. Good results do not require the location and length of the incisions to be highly precise. And the incisions can easily be extended later if the original procedure did not correct all of the astigmatism. Recovery is generally quick and painless, although the patient may experience discomfort. ==External links== *http://www.medcompare.com/spotlight.asp?spotlightid=282 *http://www.stlukeseye.com/professionals/lri_nomogram.htm 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Limbal relaxing incisions」の詳細全文を読む スポンサード リンク
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