Blue-eyed people share a common ancestor with every other blue-eyed person in the world.

Blue-eyed people share a common ancestor with every other blue-eyed

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Human Body Facts

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

Human Body Facts

The human eye can see 500 shades of grey

Human Body Facts

Astigmatism refers to a curvature of the cornea or lens and toric lenses

Human Body Facts

The large intestine is actually shorter than the small intestine –

Human Body Facts

People who are blind can see their dreams if they weren’t born blind

Human Body Facts

The eyeball weighs around 28 grams