Cataract
Ophthalmology · Ophthalmological
Moderate
Severity
Very common — a leading cause of vision impairment worldwide, affecting most people over age 70
Prevalence
No
Contagious
Ophthalmology
Specialist
📖What is Cataract?
A cataract is the clouding of the eye's natural lens, which is normally clear, causing progressively blurred, hazy, or dim vision as light entering the eye is scattered rather than focused sharply onto the retina. It is most commonly an age-related degenerative change in the structural proteins of the lens, though it can also result from eye injury, certain medications, or be present from birth in rare cases. Cataracts typically develop slowly over years, so many people do not notice significant vision changes until the clouding becomes advanced. It remains one of the leading causes of reversible vision loss worldwide and is highly treatable with modern surgical techniques.
More About Cataract
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⚕️ Medical Disclaimer
This page is for informational purposes only and does not substitute professional medical advice. Always consult a qualified healthcare professional. In emergencies, call 112.