Eyes, ears, nose & throatDegenerativeICD-10 H25
Cataract
Clouding of the eye's natural lens, causing gradually blurred, dim vision and glare. It is the leading cause of blindness worldwide and is cured by a short operation.
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Causes
- Age-related changes in lens proteins
Risk factors
- Age
- Diabetes
- Smoking
- UV exposure
- Long-term steroids
- Eye injury
Symptoms
- Blurred or cloudy vision
- Glare from lights, halos
- Faded colours
- Poor night vision
- Frequent glasses changes
Diagnosis — tests and examinations
- Slit-lamp eye examination
Treatment
Medicines and medical treatment
- Updated glasses in early stages
Operations and procedures
- Phacoemulsification with intraocular lens implant (day-case surgery)
Self-care, home remedies and lifestyle
- Brighter lighting, anti-glare sunglasses
Possible complications
- Falls and road accidents from poor vision
- Rare surgical complications (infection, retinal detachment)
Prevention
- Sunglasses, not smoking, diabetes control
Outlook
Surgery restores good vision in over 95%.
When to see a doctor
See an optometrist if vision interferes with daily life or driving.
Sources and further reading
These sources cover this condition. They have not been checked against every statement on this page.
Related conditions
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