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In the quest to combat eye diseases, the spotlight increasingly falls on a group of powerful allies: The antioxidants. These vital compounds, found abundantly in fresh fruits and fresh vegetables, are at the forefront of scientific research for their potential to prevent and manage conditions like macular degeneration, cataracts, and glaucoma,Dry eye etc.
Role Of Antioxidants In Eyecare
“Antioxidants are nature’s defence mechanism against oxidative stress, a process of hastened ageing that damages cells and has been linked to various chronic diseases, including those affecting the eyes. Antioxidants by neutralising free radicals—(unstable molecules) that can harm cells thus the antioxidants protect the delicate structures of the eye from damage,” said Dr Kamal B Kapur, Co-founder & Medical Director, Sharp Sight Eye Hospitals.
A closer look at eye diseases
“Age-related macular degeneration (AMD) and cataracts are leading causes of visual impairment and blindness globally. AMD affects the macula, the part of the retina responsible for sharp, central vision, while cataracts involve the clouding of the eye’s lens. Glaucoma, another common condition, damages the optic nerve, often due to increased pressure in the eye. The role of oxidative stress in these diseases has made antioxidants a significant focus of research,” said Dr Kapur.
The scientific backing
The landmark Age-Related Eye Disease Study (AREDS), sponsored by the National Eye Institute, underscores the importance of antioxidants in eye health. The study’s findings suggest that a high dietary intake of antioxidants, such as vitamins C and E, zinc, and beta-carotene, can slow down the progression of AMD and, in some instances, prevent its onset. Subsequent research, building on AREDS, continues to explore the potential of antioxidants in reducing the risk of advanced AMD and cataracts and Dry eye.
“Emerging evidence also points to the benefits of antioxidants in managing glaucoma. By improving blood flow to the optic nerve and protecting against cellular damage, antioxidants may offer a new avenue for glaucoma treatment, complementing existing therapies,” Dr Kapur added.
Source Of Antioxidants
As per Dr Kapur, for those looking to bolster their eye health through diet, a rainbow of fruits and vegetables can provide a wealth of antioxidants. Haldi or curcumin is one such element found in Abundance in our Indian diets other Key nutrients include:
1. Vitamin C: Found in citrus fruits, strawberries, and bell peppers.
2. Vitamin E: Present in nuts, seeds, and spinach.
3. Zinc: Abundant in meat, oysters, and beans.
4. Lutein and Zeaxanthin: Concentrated in leafy greens, corn, and eggs.
Incorporating these foods into daily meals can contribute to a robust antioxidant defence system, supporting eye health and potentially warding off diseases.
Also read: Why Do We Need Antioxidants In Changing Weather? Expert Explains
The future of eye care
As the body of evidence grows, so does interest in harnessing antioxidants for eye disease prevention and management. Beyond dietary sources, researchers are exploring supplements and other delivery methods to ensure these compounds reach the eyes in effective concentrations. However, it’s important to approach supplementation with caution, as excessive intake of certain antioxidants can have adverse effects. Consulting with a healthcare provider is essential before starting any new supplement regimen.
A holistic approach to eye health
While the promise of antioxidants is significant, maintaining eye health requires a multifaceted regular exercise ,Regular eye exams, wearing UV-protective eyewear, and managing underlying health conditions like diabetes and hypertension are also crucial components of eye care.
The exploration of antioxidants in preventing and managing eye diseases represents a hopeful chapter in the field of ophthalmology. By fostering a deeper understanding of these compounds and their benefits, researchers and healthcare professionals can better equip individuals to protect their vision. As we continue to unravel the complexities of eye health, the role of antioxidants stands out as a testament to the power of diet in disease prevention and management.
