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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 lsllc on Tuesday June 30, 2020 @11:38AM (#23691135)
Of course! The red LED is actually fairly dim, it's designed for pilots trying to read charts while flying at night!

I got it for use with a telescope for looking operating a telescope without losing night vision.

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