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To the millions of Americans with vision problems, the world can be a blurry place. For people who need vision correction but don't want to wear glasses, contact lenses offer an easy, virtually invisible solution.

Although nearly 36 million Americans wear contact lenses, not everyone wears them to correct vision problems [ref]. Celebrities use contact lenses to change the color of their eyes, athletes put them on to give them extra-sharp vision on the field, and others use them to make Halloween costumes more realistic.

In this article, we'll learn how contact lenses correct sight, look at the variety of lens options that are available and find out how to wear them safely.