Vitamin D May Reflect Myopia Risk

Narrative review linked lower vitamin D levels to greater myopia risk and higher omega-3 intake to lower risk, though outdoor exposure may explain the vitamin D association.

By
Andrea Surnit
May 26, 2026
4 min

MDSpire News

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Lower serum vitamin D levels are associated with higher myopia prevalence and longer axial length in young patients.
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Omega-3 polyunsaturated fatty acids are identified as a probable protective factor against myopia.
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Evidence does not establish a direct causal role for vitamin D in myopia development, suggesting outdoor exposure may be more significant.
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The review emphasizes that most evidence is observational, limiting causal inference regarding nutritional interventions for myopia.
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Clinically, the findings do not support vitamin D testing or supplementation for myopia prevention, focusing instead on broader behavioral factors.

Vitamin D May Reflect Myopia Risk

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Original Source(s)

Vitamin D May Reflect Myopia Risk

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