At the very back of your eye is the retina. It's about the size of a postage stamp, and it contains millions of cells that are sensitive to light. Some of these cells are called cones. Cones let you see color by combining the three main colors (red, blue, and green) to make thousands of colors, from the orange of your macaroni and cheese to the turquoise of a tropical fish.Even though many people …showed first 75 words of 575 total…

…showed last 75 words of 575 total…blindness isn't dangerous or a big deal. Kids who are color-blind may need a little extra help when matching clothes. Color-blind adults can drive safely because they can tell a stop sign by its shape and know which traffic light means "go" and which one means "stop" because they're always in the same order on stoplights. And people who are color-blind can still enjoy cartoons, crayons, and tie-dyed T-shirts just like everyone else! ------------------------------------------------------------------------ **Bibliography**