We asked eye doctors everything you've ever wanted to know about contact lenses expiring and when to replace them.

If you wear contact lenses, it's important to take care of them to help keep your eyes healthy and infection-free. Throughout the day, proteins found naturally in your eyes, along with bacteria ...

Smart, connected contact lenses are in the works, and they can do everything from record video to keep your entire body in better health. It’s straight out of a television show: contact lenses ...