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A comment on Declining eyesight improved by looking at deep red light. Parent comment

Re:Declining eyesight improved by looking at deep red light by raun1 on Friday August 07, 2020 @11:46AM (#24083133)
Buy a deep red LED. Check out GembaRed, or talk to the owner, about where to buy.
[ Parent | on HN ]
Re:Declining eyesight improved by looking at deep red light by VectorLock on Friday August 07, 2020 @02:09PM (#24084836)
I wonder if he'd share where to buy LED that undercut his $160 small LED panels...
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