A team of researchers from the University of Milan, during a recent study, determined that plant polyphenols can safeguard vision in cases of glaucoma, diabetic retinopathy, age-related macular degeneration, cataracts, and surface eye conditions. The authors shared the analysis results in the journal Nutrients.
The investigators examined dozens of experimental and clinical papers focusing on polyphenols—biologically active substances of plant origin found in vegetables, fruits, berries, tea, and spices. The authors emphasize that these ailments remain a primary cause of vision impairment globally.
Many ocular pathologies develop amidst oxidative stress and persistent inflammation. They damage the cells of the retina, optic nerve, and blood vessels, and also trigger a breakdown in the eye’s protective mechanisms. The review showed that polyphenols might mitigate the effects of harmful factors, thus slowing disease progression.
The compiled data confirms that anthocyanins, curcumin, resveratrol, and other substances present in plants reduce damage to retinal and optic nerve cells, lower inflammation levels, affect pathological vessel growth, and support the eye’s antioxidant systems.
Separate clinical investigations revealed a link between polyphenol intake and improved visual acuity, as well as a deceleration in the advancement of certain diseases. However, it is crucial to remember: this does not mean replacing standard treatment. Polyphenols can serve as a safe and accessible adjunct to existing strategies for eye health maintenance and prevention.
About the Author
