Cataract 2 : A clouding and stiffening in the lens of the eye, which can be produced by long term or acute exposure to ultra-violet radiation. Cataracts can cause general deterioration of vision, loss of focus, or total blindness
Environmental Health and Safety, Glossary, University of Chicago, Illinois, USA 2010. http://safety.uchicago.edu/tools/glossary.shtml, (Ergo - Amer) {753}