When humans are given a baseline measurement of color detection threshold and then exposed to a burst of red light (670 nanometers), their ability to see colored letters against background noise improves within 3 hours, with blue target detection improving by 17% and red target detection improving by 12%.
factualpending
Speaker
Glenn JeffreyEvidence Quote
“in each case the red square is lower than the black dot that means thresholds have gone down that means Vision has improved”
Created: 8/11/2026, 8:02:22 AM
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