- Greyhounds can see the best of any other breed of dog.
- Eyes began to develop 550 million years ago. The simplest eyes were patches of photo receptor protein in single celled animals.
- The entire length-of all the eyelashes in their life it’s over 98 feet.
- About 39 million people around the world that are blind.
- 80% of vision problems worldwide are avoidable or even curable.