- In Lasik, the accuracy is measured in microns. A micron is one millionth of a meter
- Theodore Roosevelt is the only U.S. President who lost an eye while still in office.
- The word “eyeball” was coined by William Shakespeare in A Midsummers Night Dream.
- The giant squid has the largest eye.
- At any given point, your eyeballs are moving 70 to 100 times per second overall.