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A cataract is a cloudy area in the lens of your eye. More than half of all Americans age 80 or older either have cataracts or have had surgery to get rid of cataracts, making it one of the most common and successful surgeries in the United States.

As cataracts grow, they can cause noticeable changes in your vision. Possible symptoms include:

• Vision is cloudy or blurry
• Colors look faded
• You see a halo around lights
• You have to change the prescription for your glasses often

These can also be symptoms of other eye problems as well. Consult your eye doctor if you experience any of these warning signs.

No studies have proved how to prevent cataracts or slow the progression, but doctors believe several strategies are helpful in slowing their progression including:

• Having regular eye examinations. Eye examinations can help detect cataracts and other eye problems at their earliest stages.
• Eating healthy. Fruits and vegetables have many antioxidants which help maintain the health of eyes.
• Wearing sunglasses. Ultraviolet light from the sun may contribute to the development of cataracts.

For more information, click the link: https://www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/cataracts.