The Sleep-Vision-Nutrition Triad: A Holistic Approach to Myopia

Share

Tweet

Share

Share

Email

December 2, 2025

By Alex Ong, Optometrist, CPNP (ANA), Singapore, and Richie Huang, Optometrist, CPNP (ANA), Taiwan

Myopia is influenced by more than genetics and visual behavior. Recent studies suggest that sleep quality and nutritional status also play critical roles in ocular growth and circadian regulation. Together, these lifestyle factors form a triad that connects sleep, vision and nutrition—three modifiable pillars essential for children’s eye health and overall well-being. 

The Role of Sleep in Myopia Development

Sleep is vital for the brain, learning and hormonal balance – but it also directly impacts the eye. Research shows that children with myopia often exhibit delayed melatonin secretion and reduced circadian rhythm amplitude compared to non-myopic peers.1This means melatonin release occurs later at night and may persist into early morning hours. 

When melatonin and dopamine cycles become misaligned, visual development may be affected. Under normal conditions, melatonin peaks at night, while dopamine dominates during daylight to regulate retinal signaling and inhibit axial elongation.^2,3 If melatonin remains elevated during the day, dopamine activity may be suppressed – reducing the retina’s natural “brake” against myopia progression. 

Clinical Pearl: Children with shorter sleep duration (<5 hours per night) show an almost 1.5x higher prevalence of myopia than those sleeping over nine hours.⁴  

Certain nutrients can actively improve sleep architecture and mood regulation: Vitamin D, for example, can help to regulate melatonin rhythms and improve sleep quality.^7,8 Here’s a look at some nutrients to be mindful of in relation to myopia: 

• Magnesium promotes relaxation and may shorten sleep latency 
• Omega-3 fatty acids influence serotonin and dopamine activity, improving both sleep quality and behavioral stability.¹⁰ Lutein and zeaxanthin (L/Z), which optometrists are more familiar with, can enhance cognitive and sleep outcomes—a clinical study reported that 20mg lutein + 4 mg zeaxanthin daily improved sleep quality within three to six months and reduced sleep medication use.¹¹ 

The Vision-Nutrition Connection 

Myopia progression can be influenced by dietary patterns, metabolic stress and environmental light exposure. Diets rich in refined carbohydrates elevate blood glucose and insulin, stimulating IGF-1 activity that promotes ocular tissue growth and axial elongation.^2,3 Chronic high sugar intake can also increase inflammatory cytokines (IL-6, Tnf- α) and oxidative stress, impairing dopamine signaling that normally protects against myopic change.^2,3 

Excessive exposure to blue light, especially from digital screens in the evening, compounds these effects. Blue-enriched light delays melatonin release, disrupts circadian rhythm and interferes with restorative sleep.⁸ Over time, this misalignment affects not only retinal physiology but also mood and cognitive regulation in children. Studies show that children with inadequate sleep experience greater irritability, poorer attention and reduced emotional control – outcomes closely linked to delayed circadian rhythm and dopamine imbalance.¹⁰

Clinical Insight: Blue-light exposure after sunset can suppress melatonin secretion by up to 80% delaying sleep onset and lowering next-day alertness.⁸

Protective nutrients help counteract these pathways through antioxidant, neuro-modulatory and anti-inflammatory mechanisms: 

1. Lutein and Zeaxanthin (L/Z): Concentrated in the macula and brain, L/Z act as natural blue-light filters, reducing oxidative stress and supporting circadian stability.11-13 Their accumulation in neural tissue contributes to better cognitive function and emotional balance in children.12,13
2. Vitamin D: Beyond skeletal and immune roles, vitamin D is a potent anti-inflammatory modulator. Receptors in the hypothalamus and suprachiasmatic nucleus help regulate circadian timing, while systemic effects reduce neuro-inflammation and support scleral and retinal resilience.7-9 Adequate vitamin D may therefore mitigate both mood dysregulation and ocular stress associated with poor sleep.
3. Omega-3 Fatty Acids: DHA maintains photoreceptor membrane integrity, while EPA regulates inflammatory prostaglandins and cytokines. Sufficient omega-3 intake protects retinal neurons, enhances neurotransmission and supports stable sleep and behavior in children.¹⁰

Practice Tip: Encourage families to reduce evening screen exposure, incorporate carotenoid- and omega-3-rich foods (e.g., leafy greens, eggs, fish) and maintain optimal vitamin D levels to support both visual development and emotional well-being.

Integrating lifestyle Guidance in Clinical Care

For eye care professionals, understanding this triad provides new insights for myopia  counseling:

1. Discuss consistent bedtimes and screen curfews to maintain melatonin–dopamine balance.
2. Recommend blue-light–filtering lenses or nutritional carotenoid support for children exposed to prolonged digital devices.
3. Evaluate dietary habits, especially sugar and processed food intake, as part of myopia risk assessment.
4. Consider nutritional supplementation (vitamin D, magnesium, omega-3, lutein/zeaxanthin) when dietary intake is suboptimal or sleep issues are reported.

Clinical Pearl: Addressing lifestyle factors such as bedtime and nutrition can amplify the effects of optical or pharmaceutical myopia control strategies.

Conclusion 

The connection between sleep, nutrition and myopia represents a new frontier in holistic eye care. Disrupted circadian rhythms, high-sugar diets and nutrient deficiencies can each disturb the delicate melatonin–dopamine balance governing ocular growth. Conversely, improving sleep hygiene and nutritional intake can reinforce both retinal and cognitive health. By adopting this sleep × vision × nutrition framework, optometrists can better support children’s eye health, emotional regulation and long-term positive visual outcomes — transforming lifestyle advice into a clinical tool for myopia management.

 

Dr. Alex Ong, DOptom, FAAO, CPNP (US) Optometrist, Singapore PGCert (Anterior Eye Diseases, Cataract & Glaucoma) PGCert (Retinal Disease Recognition & Co-Management) MSCO, B.Sc Optom, Dip. OptomDr. Ong is the Founder and Managing Director/Optometrist at Ong’s Optics & Myopia Management Centre, established in 2005. With over two decades of clinical experience, his expertise spans evidence-based myopia management, ocular nutrition, binocular vision, orthokeratology, and geriatric vision care. He serves as a Key Opinion Leader for Menicon Japan and has taught as an adjunct lecturer at both optometry schools in Singapore. Dr. Ong is actively involved in optometric education and professional training across Asia. As a Certified Personalized Nutrition Practitioner (CPNP) with the American Nutrition Association, he integrates nutritional science with vision care to promote a proactive and preventive model of lifelong eye health.

Mr. Richie Huang, B.Sc Optom, CPNP (US) Optometrist, Taiwan Mr. Richie Huang is the Founder and Managing Director/Optometrist of JD Optometry Group (Taiwan, since 2007). He currently serves as President of the New Taipei City Optometrists Association (NTCOA) and is the immediate past President of the Taiwan Optometrists Association (TOA). His clinical interests span elderly vision care and children’s visual development, with a focus on paediatric myopia management, binocular vision, and visual nutrition. He combines frontline practice with professional education and public outreach, helping advance eye-care standards and equitable access across Taiwan. As a Certified Personalized Nutrition Practitioner (CPNP) with the American Nutrition Association, he integrates nutrition and vision science to promote a proactive, preventive approach to lifelong eye health.

References 

1. Chakraborty R, Seby C, Scott H, et al. Delayed melatonin circadian timing, lower melatonin output, and sleep disruptions in myopic children. Sleep. 2024;47(1):zsad265.
2. Zhou X, Pardue MT, Iuvone PM, Qu J. Dopamine signaling and myopia development: What are the key challenges. Prog Retin Eye Res. 2017;61:60–71.
3. Nebbioso M, Pascarella A, Pescosolido N. The role of the dopaminergic system in the development of myopia in children and adolescents. J Child Neurol. 2014;29(6):743–749.
4. Chawla O, Singh A, Kumawat D, et al. Systematic review of sleep duration and development of myopia. Cureus. 2024;16(3):e56216.
5. Matricciani L, et al. Association between short sleep duration and intake of sugar and sugar-sweetened beverages: a systematic review and meta-analysis. Nutr Rev. 2023;81(9):847–861.
6. Zhao Y, Qu D, Liang K, et al. Eating habits matter for sleep difficulties in children and adolescents: a cross-sectional study. Front Pediatr. 2023;11:1108031.
7. Gao Q, Kou T, Zhuang B, et al. The association between vitamin D supplementation and sleep: a systematic review and meta-analysis of randomized controlled trials. Nutrients. 2022;14(6):1180.
8. Neale RE, et al. Sunscreen photoprotection and vitamin D status. Br J Dermatol. 2019;181(5):916–926.
9. Holick MF. Vitamin D deficiency. N Engl J Med. 2007;357:266–281.
10. Raine A, et al. The role of omega-3 fatty acids in child behaviour, cognition, and sleep. Front Pediatr. 2023;11:1108031.
11. Stringham JM, Smith AM, Hiers PL, et al. Lutein and zeaxanthin isomers effect on sleep quality. Biomed J Sci & Tech Res. 2018;6(4):BJSTR.MS.ID.001775.
12. Mulder KA, et al. Early childhood lutein and zeaxanthin intake is positively associated with receptive vocabulary and executive function in Project Viva. J Nutr. 2023;153(3):812–821.
13. Hammond BR, et al. Roles of macular carotenoids in brain function throughout the lifespan: a review of recent research. Nutrients. 2022;14(12):2505.