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warn smoke lose know damage be start call say think
explain get worsen contain lead become need increase encourage quit
Scientists are that people who are in danger of damaging their eyes. The scientists say smokers are two times more likely to their vision than non-smokers. Everyone that smoking can the lungs and heart, but not many people know it could damage the eyesight. The scientists from the Association of Optometrists (AOP) in the United Kingdom. The AOP has a campaign to raise awareness of the danger of smoking to the eyes. The campaign is "Stub it out". The word "stub" means put out a cigarette by pushing the end against something hard; "stub it out" is , "stop smoking". The AOP said only one in five people smoking can damage the eyes.

The AOP why smoking is so harmful to the eyes. Cigarette smoke in the eyes and causes or a number of different eye problems. Cigarette smoke toxic chemicals that can irritate and damage the eyes. Smoke contains tiny pieces of metals like lead and copper. These can get into the eyes and to cataracts - a condition that causes the eye lens to cloudy. People with cataracts usually an operation to restore their sight. Smoke can also the chance of worsening sight problems for people with diabetes. The AOP said smokers are also three times more likely to damage the eyes' muscles. The AOP has smokers to .

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