Look up: cataracts

1. Cataracts
   loss of the normal clear crystalline nature of the lens
   Found on http://www.medicalneuroscience.com/neuro
   
   
2. cataracts
   in medicine,an opacity of the crystalline lens of the eye obstructing partially or totally its transmission of light Category: Medicine
   Found on http://www.mijnwoordenboek.nl/definition
   
   
3. Cataracts
   Cataract operations have become routine—3 million are performed in the U.S. each year—but they are not perfect. In too many cases, the performance of the implanted lens is marred by imperfections caused by measurement errors or variations in the healing process. Solution: an implantabl...
   Found on http://www.time.com/time/covers/11010301
   
   
4. cataracts
   in medicine, an opacity of the crystalline lens of the eye obstructing partially or totally its transmission of light NOTE - Cataracts can result from several causes, including irradiation.
   Found on http://www.electropedia.org/iev/iev.nsf/
   
   
5. Cataracts
   Damage to the eye lens, which impairs vision. It is often caused by UV-B radiation, which is usually filtered out by the ozone layer.
   Found on http://www.nyo.unep.org/action/ap1.htm
   
   
6. Cataracts
   A cloudy or opaque area in the lens of the eye. Excessive exposure to ultraviolet radiation (sunlight) is a cause of cataracts.
   Found on http://www.healthunit.org/sunsafety/glos