By consuming the vitamin K, one can have a good eye sight, to vision through the complete darkness during the nighttime. So, it is necessary to add the fruits and vegetables rich in vitamin k to your diet.  As vitamin K is mostly present on the leaves, you have to eat the leafy greens and green vegetables to get a good vision. Vitamin k supplements have to be taken twice or thrice a week. It is, however, better to take the food rich in vitamin K daily so that you can have a very good eyesight at night.

Written and field-tested by Joel Mccartan for Night Vision Gears. We buy, borrow or run the gear we cover in real conditions and only point you to optics we’d carry ourselves. Browse all gear guides →