According to a new study of long-term smokers or those who smoked in large quantities in the long term is more likely to develop AMD than people who do not smoke. The development of this disease in smokers is also generally faster than non-smokers.
AMD is an eye disease that is quite common in the elderly due to damage to the central part of the retina. Blindness usually occurs in people over the age of 50 years.
Dr. Neil Bressler, eye health experts from the Johns Hopkins University School of Medicine, said this study reinforces the idea that says that smoking is one of the factors that exacerbate the risk of AMD.
"AMD causes shrinkage in the center of the retina (macula). Fact that the network is in the middle of the back of the eye that is responsible for the capture of light required for visual excellence to perform activities such as reading, driving, reading and recognizing faces," said Bressler is not involved in the study.
Chairman studies, Chelsea Myers, researchers from the department of eye and vision at the University of Wisconsin School of Medicine and Public Health in Madison said, smoking can damage the blood vessels that nourish the retina, thus causing deterioration of macular degeneration. On the other hand, smoking also lead to accumulation of toxins in the retina of the damage function.
In a study published in the journal Ophthalmology, Myers and his team analyzed data starting in 1988 involving 4,439 adults. Then the participants were followed for more than 20 years and re-recorded every five years. Of the total participants, researchers found 24 percent had early-stage AMD.
Smoking is associated with increased 36 percent risk of worsening disease stage, from the initial stage to the middle. While the number of people who smoke cigarettes have increased at most risk of disease progression from early-stage to advanced stage.
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