Five Foods That Protect Your Vision

Most people associate vision loss with ageing or genetics, but diet plays a far larger role than many realise. As a retinal specialist, I regularly see patients whose macular degeneration or diabetic retinopathy was accelerated by years of nutritional deficiency — and the evidence that food choices matter is now overwhelming.

1. Leafy greens (spinach, kale, rocket). Rich in lutein and zeaxanthin, these pigments accumulate in the macula and filter harmful blue light. Studies show that adults with the highest lutein intake have a 40% lower risk of advanced age-related macular degeneration (AMD).

2. Oily fish (salmon, sardines, mackerel). Omega-3 fatty acids DHA and EPA are structural components of the retina. Two servings per week have been linked to a reduced risk of dry-eye syndrome and AMD progression.

3. Eggs. Despite their modest lutein content, the bioavailability from eggs is exceptionally high due to the fat in the yolk. One egg daily is a practical way to boost macular pigment density.

4. Citrus and bell peppers. Vitamin C is concentrated in the lens of the eye and helps protect against cataract formation. A single orange or half a red pepper provides more than the recommended daily amount.

5. Nuts and seeds. Vitamin E, found abundantly in almonds and sunflower seeds, works synergistically with vitamin C to slow oxidative damage in the eye. A small handful daily is sufficient.

Diet alone cannot replace regular eye examinations. I recommend annual screening for anyone over 40, and more frequent checks for those with diabetes, hypertension, or a family history of glaucoma. Book your eye health review at our ophthalmology department today.