Using contact lenses properly

Consumer Reports: Using contact lenses properly. (WPEC)

Some 45 million people in the U.S. depend on contact lenses to correct their vision. CBS 12's Eric Roby shows us while eye infections caused by contacts are rare but they can be very serious in this consumer report.

Forgetting to take out your contacts before you sleep can cause a nightmare.

"Falling asleep with your contacts in is a common problem. It can increase your chances of an eye infection by 6 to 8 times," said Jeneen Interlandi, Consumer Reports Health Editor.

Even just a nap with your contacts in can be risky.

Other safety tips? Never rinse with tap water. It's rare but it could contain a vision-threatening parasite. For the same reason don't swim with contacts unless you are wearing goggles or wear them in a hot tub.

Another no generally, don't use a week or month-long lenses longer than recommended.

Contacts that you use for just one-day are more expensive, but Consumer Reports says it might be worth it.

"Less handling can help make single-use lenses a bit safer than those you use multiple times," said Interlandi.

You also won't have to buy as much disinfecting solution with one-day-only lenses and if you prevent just one infection you're ahead of the game.

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