According to a study published in Ophthalmology, red wine contains a high amount of polyphenol antioxidants, and its consumption has a protective effect against cataracts. As part of the study done on UK participants, detailed insights on the health and lifestyle of 469,387 volunteers were collected and analyzed by researchers. The study was conducted using a questionnaire assessing the amount and type of alcohol consumed by patients and factors such as sex, age, ethnicity, social deprivation, weight, diabetes, and smoking, which affect cataracts. Participants were distributed into two study arms: Participants who consumed wine.

Participants who consumed other kinds of alcohol or did not consume alcohol at all. A strong association between cataracts and wine consumption was established while analyzing the results. Participants who consumed wine (6.5 glasses/week) were found to have aโ€ฆ