Baltimore Washington Eye Center, Maryland

Friday, July 1, 2011

Astigmatism correction

Astigmatism is an optical aberration that is caused by the cornea being shaped more like a football than a baseball.  This can occur due to changes in your cornea, lens or other ocular structures.  The image viewed by a patient with astigmatism is a blurred one.  Astigmatism can be corrected with glasses, contacts, refractive laser surgery or intraocular lenses at the time of cataract surgery.

Astigmatism can be regular or irregular.  Regular astigmatism can usually be corrected by the above methods.  Irregular astigmatism such as that caused by keratoconus (coned shaped cornea) might need a corneal transplant or a new procedure to strengthen the cornea prior to using one of the above procedures.

Guest Blogger: Arturo E. Betancourt, M.D., F.A.C.S. with the Baltimore Washington Eye Center