Green Tea: The Eyes Have It

The results showed that different parts of the eye absorb varying amounts of catechins. The area with the highest concentration of catechins was the retina, which is the light sensitive tissue lining the back of the eye. The area with the lowest absorption of catechins is the cornea, which is clear, the outer layer of the eye.In the study, published in the Journal of Agricultural and Food Chemistry, researchers fed mice green tea extract and then analyzed their eye tissue.

The researcher Kai Chu, Department of Ophthalmology and Visual Sciences at the Chinese University of Hong Kong and his colleagues say their findings suggest that drinking green tea may be protective eye. Other studies, however, are needed to confirm a protective effect in humans.

Green tea has been praised for a number of health benefits, such as fighting and, thanks to its high concentration of antioxidants to combat the disease called catechins.

The researchers say that the compounds responsible for many health benefits are able to penetrate into the tissues of the eyes and antioxidant activity there.