When bedtime comes far too early, a child may be tempted to read under their covers by flashlight. Parents say the habit will ruin your eyes -- but is this old admonition true or false?
WHAT'S INSIDE: EYE, EAR, NOSE & THROAT
- Nose & Throat
Roses are red, violets are blue -- well, bluish. The sky is blue, too. Grass is green. These are things that most of us know for a fact and don't question. But what if you were colorblind? What would you see? Is life one long black-and-white movie?
We all know 20/20 vision is a good thing, but just what do those numbers mean?