the paradox of lighting, safety in driving and human eye

Most people use brighter lighting for better vision and use high beam light whilst driving

makes sense but

more the bright the lighting the eye adapts

it lets in only minimum of bright light by constricting the pupil

the pupil is the hole in the middle of a filter of light in our eye



letting in minimum of the bright light increases the comfort

but what it also does reduces the field of vision

field of vision is the area in front, your eye can see 


coming to the point, whilst driving, when people use high beam,  it reduces the vision of the driver opposite to you

if the driver opposite to you cannot see you well, then it is not good news for you


makes sense?


hence do use the high beam lighting whilst driving only when there are no other vehicles in front of you

dip the light when there is an oncoming vehicle

for your own safety!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


Hope this helps

Chockalingam