Just behind our pupil is the lens - which is round, flat and thicker toward the middle.

Just behind our pupil is the lens – which is round, flat and thicker

More from the Human Body Facts niche...

Human Body Facts

Eyes are the second most complex organ after the brain

Human Body Facts

Your brain uses about the same amount of power as a ten watt bulb

Human Body Facts

The retinas inside the eye cover about 650 square mm and contain 137

Human Body Facts

People generally read 25% slower on screen than on paper

Human Body Facts

While it takes some time for most parts of your body to warm up to their

Human Body Facts

Human bones are more than twice the strength of concrete