Quick Answer: A healthy lens inside the eye is clear and transparent, allowing light rays to pass through easily. A cataract is a condition in which this lens becomes cloudy or opaque, gradually dulling and blurring vision.

What are the symptoms?

• Blurred or cloudy vision
• Glare or halos, especially from headlights at night
• Faded or yellowed colours
• Frequent changes to your glasses prescription
• Difficulty reading or seeing in dim light

What causes cataracts?

Ageing is the most common cause, but diabetes, eye injury, long-term steroid use and some other eye conditions can bring them on earlier. Cataracts usually develop slowly.

How are they treated?

Glasses cannot clear a cataract. Surgery removes the cloudy lens and replaces it with an artificial intraocular lens (IOL); Trivision offers Toric, Trifocal and EDOF options, and a Mediclaim/cashless facility for eligible patients. See cataract surgery and our cashless guide.