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Limbal Relaxing Incisions (LRI)
Limbal relaxing incisions (LRI) are a modification in the shape of your cornea used to treat astigmatism. Astigmatism is present when the cornea is not perfectly round; resulting in one portion of your eye does not see the same as the other portions. A cornea with astigmatism is shaped more like a football rather than basketball. LRI’s are incisions that are placed on the far outer edge of the cornea (the limbus) resulting in a cornea that is more round resulting in your uncorrected vision being improved.
The procedure can be completed in a few seconds after numbing the eye with anesthetic drops. There is usually little or no, post-operative discomfort. The procedure is very safe and is not associated with glare or starburst. The cornea is usually stable within a week, which means your vision should be stable.
Limbal relaxing incisions have gained widespread acceptance amongst cataract surgeons where it is often combined with the cataract operation to reduce pre-existing astigmatism. The incisions can be done as part of cataract surgery or at any time after. This results in better post-operative vision without glasses. The procedure can also be used in individuals whose primary refractive error is astigmatism.
If you have had cataract surgery or have a great deal of astigmatism and believe you would benefit from LRI’s please schedule an appointment to discuss your options with Dr Snyder. In most cases this is an elective procedure and can be done at your convenience.
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