By Ken Jorgustin – Modern Survival Blog
‘Night vision’ of the human eye is an interesting phenomenon – a sensation, a uniqueness that many do not experience in today’s modern (bright) world. There are times though when our human night vision if properly adapted, could become a powerful nighttime asset, and with regards to survival & preparedness, this might be one’s own security (for example).
Our eyes are a remarkable thing in how well they can adapt over an extremely wide range of light (brightness) conditions.
Here are a few facts and tips regarding your human ‘night vision’ while using your own unassisted eyes…