The human eye blinks an average of 4,200,000 times a year.
233
The colossal squid has the largest eyes in the world.
4
If the human eye was a digital camera, it would have 576 megapixels.
25
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Only about 2% of the world population has green eyes.
36
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21