Light bounces or reflects off most objects, but not everything. When light hits your eye, it actually goes right into it through the opening at the front. The eye then sends signals to the brain.

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...

From using highlighter to strategically applying eyeshadow, these tips will help you enhance your natural beauty.

It's a phenomenon called "eye black." Natural skin absorbs some light, but reflects the rest. This reflection can cause glare and impair vision. Black stripes are supposed to prevent this by ...

Shuhd was five weeks old when her mum took a picture of her with the flash on. When her mum and dad looked at the picture, ...

As light enters the gator’s eye, it passes through the retina, hits the tapetum lucidum, and reflects through the retina again. This reflection through the eye produces the yellow glow we see wh ...