Cloudy vision caused by cataracts can be corrected with surgery.

What is a cataract?

A cataract is a clouding of the lens in your eye. It affects your vision. Cataracts are very common in older people. By age 80, more than half of all Americans either have a cataract or have had cataract surgery. A cataract can occur in either or both eyes. It cannot spread from one eye to the other. Common symptoms are:

  • Blurry vision
  • Colors that seem faded
  • Glare – headlights, lamps or sunlight may seem too bright
  • Halo around lights
  • Not being able to see well at night
  • Double vision
  • Frequent prescription changes in your eyewear
Cataracts usually develop slowly. New glasses, brighter lighting, anti-glare sunglasses or magnifying lenses can help at first. Surgery is also an option. It involves removing the cloudy lens and replacing it with an artificial lens. Wearing sunglasses and a hat with a brim to block ultraviolet sunlight may help to delay cataracts.

Source: NIH: National Eye Institute

Cataract surgery

What is a cataract?

Andrew Hendershot, MD, an ophthalmologist at Ohio State's Havener Eye Institute, explains exactly what a cataract is and when cataract surgery is appropriate.

Cataract surgery advancements

Amit Tandon, MD, an ophthalmologist at Ohio State's Havener Eye Institute, details the advancements of Cataract Surgery.

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