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Treating Astigmatism


What is Astigmatism?

Astigmatism is an irregular curve in the cornea of the eye. Normal eyes are spherical. An eye with astigmatism is oval in shape. This makes it difficult for light to focus on it well, which causes vision to be blurry.

During cataract surgery, you can correct corneal astigmatism by toric IOL implantation, limbal relaxing incisions (LRIs) or a combination of the two.

What are my Options?

LRI (Limbal Relaxing Incision)

Limbal Relaxing Incisions (LRI) are a procedure that is done to treat low to moderate degrees of astigmatism in the eyes. The surgeon makes small relaxing incisions in the cornea, which allows it to become more rounded when it heals. LRIs are for patients who want to reduce or eliminate their dependence on glasses or contacts. They are often combined with cataract surgery or other procedures. Numbing eye drops are used preoperatively and the actual procedure takes about 5 minutes. Most patients see a dramatic improvement in their vision within the first day.

TORIC LENS Astigmatism Correction

Rrecent advancements in technology have now made it possible to provide an effective solution for patients that have astigmatism. Until recently, patients that were IOL candidates and had astigmatism, had no option built into the lens, that would correct the astigmatism aspect of their visual condition. Surgeons would typically perform LASIK after insertion of an IOL to correct the complete visual picture. If patients did not have astigmatism correction after IOL implantation, then contacts or glasses would be required to deal with the astigmatism