There are two main types of contact lens options: rigid gas permeable lenses and soft lenses. Both types are made of plastic, but soft contact lenses are used by the majority of contact lens wearers today. Most soft contact lenses are disposable contacts, which may be replaced every day, every week, every two weeks, or even just once a month.
In the 1990's, silicone was introduced into soft lenses, drastically increasing oxygen levels and making contacts much healthier and more comfortable for patients for longer periods of time. However, not everyone is a candidate for extended wear disposable contacts, so it's up to you and your optometrist to determine your best option for vision correction.
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