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Cataracts are one of the leading causes of visual impairment globally. Rakesh Ahuja, MD/Wikimedia Commons

Explainer: what are cataracts?

More than a million Australians have an untreated cataract and hundreds of cataract surgeries are performed daily, but what are they?
Trachoma disappeared from most of Australia 100 years ago as individual and community hygiene improved.

Why is trachoma blinding Aboriginal children when mainstream Australia eliminated it 100 years ago?

Trachoma easily spreads from one child to another through infected eye and nose secretions. A person may have up to 40 episodes of reinfection during childhood.

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