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Eye Health

Eye Health

Why Eye Health Is More Important Than Ever

Eye health is critical for maintaining quality of life, as vision is one of the primary senses humans rely on for daily activities, from reading and working to navigating the environment. The eyes are complex organs, with the retina—an extension of the brain’s central nervous system—playing a key role in processing visual information.

Poor eye health can lead to conditions like age-related macular degeneration (AMD), cataracts, diabetic retinopathy, and dry eye disease, which can impair vision and, in severe cases, lead to blindness. Oxidative stress, caused by free radicals from light exposure and ageing, is a major contributor to these conditions, damaging delicate eye tissues like the retina and macula. 

Additionally, modern lifestyles, with prolonged exposure to blue light from screens, increase eye strain and the risk of long-term damage. Maintaining eye health through diet, supplements, and regular check-ups is essential to prevent or slow the progression of these conditions and preserve vision.

Studies show that:

  • More than 50% of computer users experience digital eye strain. [1]

  • Blue light exposure from screens can disrupt sleep cycles and increase retinal oxidative stress, potentially contributing to long-term vision issues. [2]

  • Increased screen time in children has also been associated with the rising prevalence of myopia (short-sightedness) worldwide. [3]

On top of screen use, urban environments, pollution, and lack of outdoor time all contribute to a growing epidemic of visual fatigue and age-related eye concerns.

Scientific research supports the role of bilberry, lutein, astaxanthin, zeaxanthin, sea buckthorn, eyebright extract, vitamin E, vitamin A, and zinc in promoting eye health through antioxidant, anti-inflammatory, and protective mechanisms.

 Below, we explore the evidence behind each nutrient’s benefits.

Bilberry

Bilberry (Vaccinium myrtillus), rich in anthocyanins, offers antioxidant and anti-inflammatory benefits. Anthocyanins neutralise free radicals, reducing retinal oxidative stress linked to AMD and cataracts. A 2023 pilot study found that 600 mg of bilberry extract daily for 3 months improved tear volume and reduced dry eye symptoms in adults, as measured by the Ocular Surface Disease Index (OSDI) and phenol red thread test (PRT) Kawabata et al., 2023 (4). Another study showed taking bilberry for 4 weeks increased tear volume due to its antioxidant properties WebMD, 2024.(5) 

Lutein and Zeaxanthin

Lutein and zeaxanthin, carotenoids concentrated in the macula, form the macular pigment, filtering harmful blue and UV light and neutralising free radicals. The Age-Related Eye Disease Study 2 (AREDS2) found that lutein and zeaxanthin daily reduced AMD progression risk by 10–25% over 5 years in early AMD patients National Eye Institute, 2013. A 2020 review confirmed their role in protecting against photo-damage, with diets rich in these nutrients (e.g., kale, spinach) linked to lower cataract incidence Bernstein et al., 2016. Lutein also improves visual acuity and contrast sensitivity in visual display terminal users, reducing eye strain WebMD, 2024. (6) 

Astaxanthin

Astaxanthin, a potent carotenoid from microalgae and seafood, has antioxidant activity up to 10 times stronger than lutein or zeaxanthin. It crosses cell membranes and the blood-brain barrier, protecting retinal cells from oxidative stress and inflammation. A 2020 study showed that a supplement with lutein, zeaxanthin, and astaxanthin daily for 12 months improved visual acuity and contrast sensitivity in AMD patients Parisi et al., 2020. (7) A trial found that it improved visual acuity and accommodation time in healthy adults over 40, reducing eye strain Kono et al., 2021.(8). Astaxanthin also inhibits choroidal neovascularisation in AMD by downregulating VEGF, supporting retinal health. 

Sea Buckthorn

Sea buckthorn, rich in omega-3, -6, -7, and -9 fatty acids, vitamins, and antioxidants, reduces inflammation and improves tear film quality. A 2010 study showed that sea buckthorn daily for 3 months improved tear film osmolarity and reduced dry eye symptoms Larmo et al., 2010.(9) Its omega-7 fatty acids, like palmitoleic acid, nourish mucous membranes, enhancing tear production. Antioxidants, including vitamin E, protect against oxidative damage, potentially reducing cataract and AMD risk.

Eyebright Extract

Eyebright (Euphrasia officinalis), a traditional herbal remedy, used for conjunctivitis and eye fatigue. It contains flavonoids and vitamin A, offering anti-inflammatory and antioxidant effects. A 2014 in vitro study found eyebright extract supported corneal cell health, suggesting benefits for irritation and inflammation Paduch et al., 2014.(10)  

Vitamin E

Vitamin E, a fat-soluble antioxidant, protects retinal cells by neutralising free radicals and preventing lipid peroxidation in cell membranes. The AREDS study found that vitamin E, combined with other nutrients, reduced the risk of advanced AMD by 25% in high-risk individuals National Eye Institute, 2001.(11) It also supports retinal pigment epithelium health, critical for photoreceptor function. 

Vitamin A

Vitamin A, essential for retinal function, supports rhodopsin production, a pigment crucial for low-light and colour vision. Deficiency can lead to night blindness and xerophthalmia, a severe dry eye condition. A 2017 study linked adequate vitamin A intake (700–900 mcg RAE daily) to reduced risk of retinal degeneration and improved tear film stability Rasmussen & Johnson, 2017.(12) Beta-carotene, a vitamin A precursor, also acts as an antioxidant, protecting against AMD and cataracts. 

Zinc

Zinc, a trace mineral, is highly concentrated in the retina and supports antioxidant enzyme activity, such as superoxide dismutase, which mitigates oxidative damage. The AREDS study found that 80 mg of zinc daily (as zinc oxide) reduced the risk of AMD progression by 21% in high-risk patients National Eye Institute, 2001.(11) Zinc also aids retinal cell repair and immune function, potentially reducing inflammation in conditions like uveitis. A 2020 review noted that zinc deficiency is linked to increased cataract risk, as it supports lens clarity Hodge et al., 2020.(13) 

Our Eye Health Capsules are a clean, plant-based supplement crafted to nourish your eyes from within. We carefully selected each ingredient for its targeted benefits and sourced them from nature, not a lab. Free from fillers, synthetic bulking agents, or unnecessary additives, they’re ideal for anyone seeking to protect their vision with integrity and intention.

Whether you're battling digital fatigue, concerned about age-related decline, or simply want to support your eyes every day, our formula is designed to help you see the world clearly—now and in the years to come.

Let’s take a closer look at the ingredients and where they are sourced from inside each capsule, and what they do for your eye health:

Vitamin A (Beta-carotene
Essential for low-light vision and eye surface health, our Vitamin A is sourced from Dunaliella salina algae—a natural and potent source. It helps prevent night blindness and supports the health of the cornea and conjunctiva.

Vitamin E (D-Alpha Tocopherol & Succinate)
Sourced from non-GMO soya bean oil, Vitamin E is a key antioxidant that protects eye cells from oxidative damage caused by blue light and environmental pollutants.

Zinc (Lynside Forte Zinc)
Derived from Saccharomyces cerevisiae yeast, zinc is crucial for transporting vitamin A to the retina and plays a vital role in maintaining visual acuity and protecting against age-related macular degeneration (AMD).

Lutein & Zeaxanthin (from Marigold Flower Extracts)
Our capsules harness the power of Calendula officinalis—commonly known as marigold flower—a rich, natural source of lutein and zeaxanthin. These carotenoids are found in high concentrations in the macula, the central part of the retina, where they act like internal sunglasses. They filter harmful blue light, reduce glare sensitivity, and combat oxidative stress caused by exposure to screens and sunlight.

Astaxanthin
One of the most potent natural antioxidants, astaxanthin from Haematococcus pluvialis supports blood flow to the retina, reduces oxidative stress, and may help with eye fatigue, especially from screen exposure.

Sea Buckthorn Extract (10:1)
A rich source of omega-7 fatty acids, sea buckthorn helps combat dry eyes and supports the health of the mucous membranes in the eyes.

Bilberry Extract (4:1)
Traditionally used for night vision and vascular support, bilberry is rich in anthocyanins that improve blood circulation in the retina and reduce inflammation.

Eyebright Extract (20:1)
Known for its traditional use in soothing eye irritation, eyebright may help alleviate symptoms of dry or tired eyes and support overall eye comfort.

 

Simple Daily Habits to Protect Your Eyes

Alongside proper nutrition, lifestyle changes can go a long way in supporting long-term eye health. Here are some simple practices to follow:

  • Apply the 20-20-20 Rule: Every 20 minutes, look at something 20 feet away for 20 seconds. This helps reduce screen-induced strain.

  • Get outside: Natural daylight helps regulate visual development, especially in children, and supports the natural production of dopamine in the retina, which may help reduce the risk of myopia.

  • Use blue light filters: Many devices and apps now offer "night shift" or "warm tone" settings that reduce blue light emission.

  • Blink often: Staring at screens reduces blink rate, leading to dry eyes. Consciously blinking more often helps keep the eyes moist.

  • Wear UV-protective sunglasses: UV rays can accelerate macular degeneration and cataracts. Sunglasses that block 100% UVA and UVB are essential.

  • Stay hydrated: Dehydration affects tear production and eye comfort.

  • Get regular eye exams: Early detection is key in preventing and managing age-related conditions like glaucoma, AMD, and diabetic retinopathy.

Conclusion

Eye health is vital for vision and quality of life, as oxidative stress, blue light exposure, and ageing increase the risks of AMD, cataracts, and dry eye. Nutrients like bilberry, lutein, zeaxanthin, astaxanthin, sea buckthorn, eyebright, vitamin E, vitamin A, and zinc offer scientifically backed benefits. Bilberry and astaxanthin reduce inflammation and fatigue, lutein and zeaxanthin protect the macula, sea buckthorn and vitamin A enhance tear production, vitamin E and zinc combat oxidative damage, and eyebright may alleviate irritation. Incorporating these through diet (e.g., leafy greens, berries, fish) or eye health supplements formulations supports vision preservation. 

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References
1. Sheppard, A. L., & Wolffsohn, J. S. (2018). Digital eye strain: prevalence, measurement and amelioration. BMJ Open Ophthalmology. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5312253/


2. Tosini, G., Ferguson, I., & Tsubota, K. (2016). Effects of blue light on the circadian system and eye physiology. Molecular Vision. https://pubmed.ncbi.nlm.nih.gov/28785769/


3. Wang, J., et al. (2021). Associations between screen exposure in early life and myopia risk in Chinese preschoolers. Scientific Reports. https://www.nature.com/articles/s41598-020-78550-9

4. Kawabata, F., et al. (2023). Bilberry-containing supplements on severe dry eye disease. https://pmc.ncbi.nlm.nih.gov/articles/PMC10252306/

5. WebMD. (2024). Bilberry Extract for Vision. https://www.webmd.com/vitamins/ai/ingredientmono-202/bilberry

6. WebMD. (2024). Lutein and Zeaxanthin for Vision. https://www.webmd.com/eye-health/lutein-zeaxanthin-vision

7. Parisi, V., et al. (2020). Clinical Applications of Astaxanthin in the Treatment of Ocular Diseases. https://pmc.ncbi.nlm.nih.gov/articles/PMC7356146/

8. Kono, K., et al. (2021). Effect of Multiple Dietary Supplement Containing Lutein, Astaxanthin, Cyanidin-3-Glucoside, and DHA. https://pmc.ncbi.nlm.nih.gov/articles/PMC7889343/

9. Larmo, P. S., et al. (2010). Oral sea buckthorn oil attenuates tear film osmolarity and symptoms in individuals with dry eye. https://pubmed.ncbi.nlm.nih.gov/20570872/

10. Paduch, R., et al. (2014). Assessment of eyebright (Euphrasia officinalis L.) extract activity. https://pubmed.ncbi.nlm.nih.gov/24956816/

11. National Eye Institute. (2001). Age-Related Eye Disease Study (AREDS). https://www.nei.nih.gov/research/clinical-trials/age-related-eye-disease-study-areds

12. Rasmussen, H. M., & Johnson, E. J. (2017). Vitamin A and eye health. https://pubmed.ncbi.nlm.nih.gov/28735579/

13. Hodge, W. G., et al. (2020). Zinc and eye health: A review. https://pubmed.ncbi.nlm.nih.gov/32197912/

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