Myopia

Overview

Bilberry is the only supplement listed for myopia, with low-strength evidence from one small study. A fermented bilberry extract taken twice daily for four weeks appeared to improve focusing ability and dim-light vision in adults with nearsightedness compared with placebo, increasing the eye's focusing power and clarity under low light.

These findings are preliminary and come from a single trial with low trust ratings. More research is needed before any benefit can be considered established.

The heatmap and evidence reviews below provide further detail.

Effect graph

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Studies

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Evidence visualised

Same ratings as above, aggregated so you can see coverage and imbalance.