The optic nerve contains more than one million nerve cells.

The optic nerve contains more than one million nerve cells

More from the Human Body Facts niche...

Human Body Facts

The human eye can see 500 shades of grey

Human Body Facts

Your eyes can detect a candle flame 1.7 miles away

Human Body Facts

What do you think the strongest muscle in your body is? It’s your

Human Body Facts

The cornea is the only tissue in the human body that doesn’t contain

Human Body Facts

Spectacles had been treating long-sightedness for around for 300 years

Human Body Facts

80 percent of all learning comes through the eyes