Declining eyesight improved by looking at deep red light | Hacker News

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		Declining eyesight improved by looking at deep red light (ucl.ac.uk)
		1 point by lxm on July 1, 2020 \| hide \| past \| favorite \| 1 comment

masonic on July 1, 2020 [–]

https://news.ycombinator.com/item?id=23685915

260+ points

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