The lens of an eye is normally clear. If the lens becomes cloudy (opacified), it is called a cataract.
Reviewed last on: 8/22/2008
Paul B. Griggs, MD, Department of Ophthalmology, Virginia Mason Medical Center, Seattle, WA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.