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Brief morning red light exposure improves aging adults' color vision by 20%
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Brief morning red light exposure improves aging adults' color vision by 20%

Ellsworth Toohey
Feb 18, 2025
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Brief morning red light exposure improves aging adults' color vision by 20%
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A single three-minute exposure to deep red light in the morning can significantly improve aging adults' color vision for up to a week, according to research from University College London published in Nature.

The study found that shining 670 nanometer deep red light into participants' eyes for three minutes between 8-9am enhanced their ability to detect …

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