Cigarette smoking is mainly associated with an increased risk of cancer and lung diseases. Scientists at the British Association optometrists (Association of Optometrists) warn smokers at risk of losing sight.
According to the president of the Foundation for Assistance to health professor Witold Zatonsky, in the early 90-ies of the XX century, tobacco use was one of the most common phenomena in the world. Although since then the amount of nicotine dependence decreased, still the problem remains urgent.
Smokers usually do not know that in addition to lung cancer and other diseases, cigarette smoke increases the risk of serious eye diseases that lead to loss of vision.
As reported by BBC News referring to the National Institute for the Blind in the United Kingdom (Royal National Institute of Blind People), in smokers twice as likely to lose vision than those who are not dependent nicotine.
"Tobacco smoke contains harmful to the eyes substances that irritate the eyeballs and may be deposited in them," - he explains optometrist Aisha Fazlani. In addition, the lenses may be particles of heavy metals such as lead or copper, which in turn, increases the risk of cataract (eye lens opacification).
Cigarette smoking and blurred vision
Fans of tobacco smoke are three times more likely to suffer from age-related macular degeneration, which usually occurs in people older than 50 years. Macula (yellow spot) is responsible for the clarity of vision. Its degeneration can lead to loss of the ability to see and distinguish details of objects.
Smoking and the risk of blindness
Smokers are 16 times more likely to suffer from neuropathy of the optic nerve, leading to coronary artery disease, and this, in turn, can lead to blindness.
Visual impairment in smokers with diabetes
Smokers will diabetics develop diabetic retinopathy, which causes destruction of the retina are damaged by it of small blood vessels. In the case of nicotine-dependent patients with diabetes retinal destruction increases, and this leads to visual impairment or loss of it at all.
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