Excessive coffee can damage eyesight

Coffee consumption more adverse consequences on the health of the eyes, so it is important not to cross the limit of three cup of coffee per day.
Scientists from Harvard University say that those who drank more than 3 cups of coffee a day are exposed to greater risk of having glaucoma, which can cause poor vision and blindness more.
"Coffee with caffeine has many health advantages, but drinking more than 3 cups a day can increase the risk of having glaucoma, especially in people who have had genetic predisposition to glaucoma," said research leader prof. Jae Hee Kang.
Part of this studimni were about 79,000 women and 41,000 men. No participant has suffered from glaucoma, Koha.net broadcasts. All participants completed the survey who had questions about their habits, including the amount of coffee that drink every day.
professor, Kang with its professional team studied Scandinavians who lead in the number of people suffering from glaucoma, as well as the amount of coffee you drink. In this research they have found that the consumption of excessive amounts of coffee had increased risk of glaucoma by 66 percent.When the participants of this research are compared with Scandinavians, prof. Kang and his team found that people from the group of Americans who drink excessive amounts of coffee, also have a higher risk of having glaucoma.
However, scientists, whose research is published in the journal "Investigative Ophthalmology & Visual Science", point out that other products that have caffeine in their composition does not increase the risk of creation of glaucoma are therefore needed further research .