Hindustan Times (Amritsar)

Eyesight risk to smokers of more than 20 cigarettes

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WASHINGTON: Smoking more than 20 cigarettes a day may damage your vision by affecting blood vessels and neurons in the retina, a study published in the journal Psychiatry Research, warns. It included 71 healthy people with normal or corrected to-normal vision. The findings indicated significan­t changes in the smokers’ red-green and blue-yellow colour vision, suggesting that consuming substances with neurotoxic chemicals in cigarettes may cause overall colour vision loss. They found that the heavy smokers had a reduced ability to discrimina­te contrasts and colours when compared to the non-smokers.

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