Cataract is opacity of the lens located behind the Pupil.it occurs when the normal transparent lens becomes cloudy, blocks light, and causes blurred vision.

Symptoms

• Blurry vision
• Extra sensitivity to light
• Frequent need to change glasses
• Pupil colour gradually changes to white and this is common in advanced cases.

Causes

• Eye injuries
• Aging process.
• diabetes
• Use steroids medication.
• Treatment

The only treatment for time being is surgery, where clouded lens is removed and replaced with plastic articfial one.

General information

• Cataract is a non-contagious disease; it may form in both eyes at the same time.
• Overstraining the eye such as excessive reading does not cause cataracts.
• Cataract formation does not cause any pain, redness or excessive tearing.