Coffee, Caffeine and Glaucoma, What's the Connection?
Could your morning cup of java increase your chance of going blind? Results of a new study suggest that people who drink coffee that contains caffeine have an increased risk of developing glaucoma, a progressive eye disease that leads to vision loss.
Should you drink tea instead of coffee?
Glaucoma is a term for a group of eye disorders that involve damage to the optic nerve, which can result in vision loss or complete blindness. According to National Glaucoma Research, more than 3 million Americans have glaucoma, while the worldwide estimate is 60.5 million, with an increase to nearly 80 million by 2020.
Glaucoma appears in two main forms: primary open-angle, which affects about 95 percent of people who develop the disease; and angle closure, also known as acute glaucoma. Variants of open-angle and angle closure glaucomas include secondary glaucoma, pseudoexfoliative glaucoma, traumatic glaucoma, neovascular, and pigmentary glaucoma.
The new study was conducted by experts at Brigham and Women's Hospital under the leadership of Jae Hee Kang, ScD. It is the first study of its kind done with a US population and was undertaken because: