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Eye patches over-used

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Children with lazy eye only need to wear an eye patch for three to four hours a day for 12 weeks to improve vision, researchers have claimed.

Children with lazy eye only need to wear an eye patch for three to four hours a day for 12 weeks to improve vision, researchers have claimed.

Patching for all waking hours for several years, which is often recommended, is excessive said the research by City University in London and McGill University in Montreal.

The condition, also called amblyopia, results from a disturbance in the nerves between the eyes and brain, often associated with crossed eyes and blurred vision.

But a study involving 97 children aged 3-8 years found there was no difference in visual acuity between children who wore patches six hours a day and those who wore a patch 12 hours a day.

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