During a sight test, health conditions including diabetes and high blood pressure can be detected.

During a sight test, health conditions including diabetes and high blood

More from the Human Body Facts niche...

Human Body Facts

The shark cornea is nearly identical to the human cornea, and has even

Human Body Facts

The only organ more complex than the eye is the brain

Human Body Facts

Smoking reduces your night vision

Human Body Facts

We have two eyeballs in order to give us depth perception – comparing

Human Body Facts

By the time you are sixty, you’ll have lost around half of your taste

Human Body Facts

The first blue-eyed person is said to have lived 6,000-10,000 years ago