Nine-year-old Ben asks how doctors know when people need glasses. Dr. Jim explains how physicians — and teachers — can tell when a kid needs glasses.

Michelle, 32, works at a computer, which stresses her eyes. Dr. Lisa reveals an exercise can help relieve the tension.

If you’ve ever felt pain and asked yourself, “Why does this hurt?” you’re in luck. The Doctors have immediate solutions to your painful problems! And, learn what essential office tool may be causing your severe headaches.