How exactly did the eye evolve? For the answer, watch Evolution—How Eyes Evolved by Nova. How did this awesome defense mechanism come to be such an essential survival tool for the animal kingdom?

For more information on seeing floaters as well other things within the eye see the video: "See inside your eye, Part 1: Using a point light source to see floaters and cataracts." Visit the Mayo Clinic and find out more about floaters here. Interested in the blue field entoptic phenomenon? Check out this link: "See inside your eye, Part 2: Using a blue light field to see white blood cells moving on your retina."

What does the anatomy of the eye have to do with Physics? Visit the Physics classroom and find out! How does the eye allow you to see things up close and far away? Watch this video and learn about the structure and working of the human eye. Then visit the Science Channel and find out how you are seeing this! Still need another view or more information about how the eye works? Bausch and Lomb’s Journey Through the Human Eye will give you more insight into vision!

Glare from the sun? Dry eyes? Itchy Eyes? Keep those eyes of yours healthy! Check out National Geographic and find out why! Speaking of eye health, do you wear sunglasses for health reasons or to look great? Here are some reasons why sunglasses should be part of your daily health routine. Are you working on a computer everyday? How is it affecting your vision? Visit Time Magazine’s article: How to Avoid Computer Eye Strain and find out what you can do to protect your eyes! CNN also has information on how to avoid digital eyestrain.

Can food improve or help maintain your eye health? Check out the list of 13 Food That Do Your Eyes Good! Do you eat healthy ”eye” food? It’s not just about carrots anymore.

Are human eyes and animal eyes similar or are they extremely different? Visit Animal Eyes presented by the Museum of Vision and find out! For a much more in-depth discussion on animal eyes watch this lecture from Gresham College.