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Articles on Opthalmology

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There is a lack of good clinical research on the advantages of blue-light filtering lenses. (Shutterstock)

There’s no evidence that blue-light blocking glasses help with sleep

Some health products haven’t been tested for the benefits that they claim to produce. Blue-light blocking lenses are promoted as helping sleep cycles, but there is no evidence to support this.
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?

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