- The little lights you see with your eyes shut are phosphenes which come about when you shut your eye tight. This is because the retina is stimulated by pressure on your eyeball.
- Ants have 100s of eyes.
- The space between your eyebrows called the glabella.
- Geckos can see color almost 350 times better than humans, even with just moonlight.
- Your retina can sense the color yellow faster than any other color, which is why school buses are yellow to catch your eye faster.