capture images of the eye such as these… http://randommization.com/2011/01/16/amazingly-cool-photographs-of-human-eyes/close-up-eye-photographs_4/ 26th May 2012 A cataract is a clouding that develops in the crystalline lens of the eye or in its envelope ( lens capsule ), varying in degree from slight to complete opacity and obstructing the passage of light. Early in the