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Smoking ‘damages eyes as well as lungs’

Smokers are twice as likely to lose their sight compared with non-smokers, says the RNIB.

That is because tobacco smoke can cause and worsen a number of eye conditions.

Cigarette smoke contains toxic chemicals that can irritate and harm the eyes.

For example, heavy metals, such as lead and copper, can collect in the lens – the transparent bit that sits behind the pupil and brings rays of light into focus – and lead to cataracts, where the lens becomes cloudy.

Smoking can make diabetes-related sight problems worse by damaging blood vessels at the back of the eye (the retina).

SOURCE: BBC News

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