There are also no rims there to interfere with your side, or peripheral, vision. When you're active, contact lenses don't steam up or slide down your nose. Plus, they eliminate that annoying pressure behind your ears. Most eye care professionals agree that by age 13, even as early as age 11, most eyes are developed enough for contact lenses. An eye exam will confirm whether contacts can be worn or not.
Contacts fall out a lot.
They fell out more often when the only ones were hard lenses. Soft lenses conform to the shape of the eye, are larger in diameter and are tucked under the eyelids, so they usually don't move out of place or fall out. Plus, they're usually more stable than glasses, especially for sports. Contact lenses are expensive. Contact lenses are hard to care for.