Off topic:
Improve your aging eyesight in 3 minutes per day with a red flashlight?

https://medicalxpress.com/news/2020-06-declining-eyesight-deep-red.html

( Would staring at the red glowing embers of a campfire also work? )

Edit: another article with more info on this....

https://gizmodo.com/a-certain-frequency-of-red-light-boosted-people-s-eyesi-1844205740

Last edited by 360view; 06/29/20 08:31 PM.