A cataract is a clouding of the normally clear lens of the eye. Cataract develops in old age but can be due to other causes such as trauma, diabetes,childhood cataract.
  • Clouded, blurred, or dim vision
  • Increasing difficulty with vision at night
  • Sensitivity to light and glare
  • Seeing "halos" around lights

When to see a doctor: Make an appointment for an eye exam if you notice any changes in your vision which is not corrected by wearing spectacles.

Most cataracts develop when aging or injury changes the tissue that makes up the eye's lens. Proteins and fibers in the lens begin to break down, causing vision to become hazy or cloudy.

Some inherited genetic disorders that cause other health problems can increase your risk of cataracts. Cataracts can also be caused by other eye conditions, past eye surgery, or medical conditions such as diabetes. Long-term use of steroid medications, too, can cause cataracts to develop.

  • Increasing age
  • Diabetes and high blood pressure
  • Obesity
  • Previous eye injury or inflammation
  • Prolonged use of corticosteroid medications

No studies have proved how to prevent cataracts or slow the progression of cataracts. But doctors think several strategies may be helpful, including:

  • Have regular eye examinations.
  • Quit smoking and reduce alcohol intake
  • Manage other health problems like diabetes.
  • Choose a healthy diet that includes plenty of fruits and vegetables.
  • Wear sunglasses to prevent the effect of Ultraviolet light from the sun.

How is it diagnosed?

  • Declining Visual acuity
  • Slit-lamp examination to detect the amount and type of cataract.
  • Treatment
  • When your prescription glasses can't clear your vision, the only effective treatment for cataracts is surgery which includes removal of cataract out lens and replacing it with an artificial lens.


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