Aggravated smoking is very much connected to age-related macular degeneration, cataract, glaucoma, diabetic retinopathy and dry eye syndrome.
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‘Smoking increases the risk of glaucoma and may lead to vision loss. There are no possible symptoms to detect the condition and only a dilated examination can detect eye diseases in their early stages.’
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Stating that lifestyle matters a lot for eye-related diseases, the doctors said research papers have proved that smoking increases the risk of AMD and glaucoma. 
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"Smoking is very much connected to age-related macular degeneration (AMD), cataract, glaucoma, diabetic retinopathy and dry eye syndrome," said Kamal B. Kapur, from Sharp Sight Group of Eye Hospitals.
Kapur said that people who do not smoke, but become passive smokers, also are prone to develop AMD.
Glaucoma is a disease that damages eye's optic nerve, while AMD causes loss in the centre of the field of vision. In dry macular degeneration, the centre of the retina deteriorates. With wet macular degeneration, leaky blood vessels grow under the retina.
AMD begins as a loss of central vision which makes it difficult to read and see fine details. Over time, vision loss increases significantly.
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Some other types of eye-related problems caused by excessive smoking include cataract.
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The doctors said that there is a special need for awareness among people about the strong link between smoking and vision loss.
"In the first place, smoking has to be brought down, which actually leads to the damage of not just lungs and throat but gradually, the eye nerves also get damaged," said Samir Sud, a city-based ophthalmologist.
Talking about the dietary habits, he said that nutrients such as Omega-3 fatty acids, zinc and vitamins C and E might help ward off age-related vision problems such as macular degeneration and cataract due to smoking.
Source-IANS