Cataract:一个中心思想ding or loss of transparency of thelensintheeyeas a result oftissuebreakdown andproteinclumping. There are many causes of cataracts, including aging,可的松medication,trauma, diabetes, and other diseases. Cataractsaffectmost people who live into an old age. Symptoms include double orblurred visionandsensitivityto light and glare. Aphysiciancan diagnose cataracts by examining the eyes with a viewing instrument. Sunglasses can help to prevent cataracts.
