Could the humble cuppa reduce the risk of glaucoma?

Updated: May 11, 2018




A new study has discovered that the risk of Glaucoma — a fairly common eye condition among

the older population that can result in loss of vision — was lower in people who drank hot tea every day.



Glaucoma is an eye condition characterized by damage to the optic nerve, which may result in partial or total loss of eyesight. Risk factors for developing glaucoma include family history, age, increased eye pressure, being of afro Caribbean origin, medical history of diabetes, obesity, and hypertension.


Recently, scientists from Brown University in Providence, RI, and the University of California in Los Angeles have decided to compare how the consumption of various drinks — including hot tea, decaffeinated tea, iced tea, coffee, and soft drinks — influence the risk of glaucoma.


As a part of their assessment, the participants were quizzed on their drinking habits, including how much coffee, hot tea, decaffeinated tea, soft drinks, and iced tea they had drunk over the past year, and how often.


The researchers found that the participants who drank hot tea every day had a 74 percent lower risk of developing glaucoma than those who didn't.

To ensure the consistency of these results, the team also checked for potential confounding factors, such as a history of diabetes and smoking habits.


No links were found between glaucoma risk and any other type of beverage taken into account in the study, including coffee — both caffeinated and decaffeinated — as well as decaffeinated tea, iced tea, and soft drinks.


Our view.

Although Glaucoma is often linked with high eye pressure, this is not always the case. Just a few weeks ago we saw, at our practice, a young gentleman with normal eye pressure, but with subtle signs of early Glaucoma damage to the optic nerve.


Therefore regular eye examinations with careful observation of the changes inside the eyes by a specialist optometrist are very important for early detection and treatment.



Article written by

MrK.Lakhani BSC MCOptomDpTpIp

Specialist Optometrist.


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