What Color Light Doesn’t Ruin Night Vision? Do Red, Green, or Blue Lights Preserve Night Vision?
Going from a bright white light to pure darkness can be jarring. Bright white light causes your pupils to constrict blocking out light and it takes time for them to expand (aka dilate) once you shut off the light. This leads to limited night vision while your body responds to… Read More »What Color Light Doesn’t Ruin Night Vision? Do Red, Green, or Blue Lights Preserve Night Vision?