Why do some people need glasses?

Eyes are incredible. But sometimes they need a little help to see clearly. Enter: glasses! In this episode, we'll hear how eyes take in light and paint a picture of the world around us. We'll take a peek inside the eye to see why sometimes vision can be blurry and how glasses help. Then, we'll learn all about eye exams with a visit to the eye doctor! All that, plus a brand new mystery sound!

Subscribe to Smarty Pass for ad-free feeds, bonus episodes, and ticket discounts!

Today’s episode is sponsored by:
- Indeed.com/brainson - Receive a $75 sponsored job credit with code brainson
- Help your kids learn to earn, save, spend wisely, and invest with Greenlight, the debit card and money app for teens. Visit Greenlight.com/inclined.