How often do gas permeable contact lenses need to be replaced?

Answer If properly cleaned and disinfected, gas permeable contact lenses can last two years or more. If the lenses becomes scratched or otherwise damaged they will need to be replaced earlier. Because the... Read More »

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How to Remove Gas Permeable Contact Lenses?

If you are a first-time wearer, you need to learn how to care for your new contact lenses. Part of this process includes learning how to remove them from your eyes. Though the process itself is a f... Read More »

Can you sleep in gas permeable contact lenses?

On One Hand: Extended Wear LensesGas-permeable contact lenses, which are more rigid than soft contact lenses, allow oxygen to reach the eye. Daily wear contacts are not meant to be slept in, but so... Read More »

How to Wear Semi-Permeable Contact Lenses?

Semi-permeable contact lenses constitute one of three basic lens types, along with hard and soft lenses. Soft lenses are the most commonly prescribed lenses on the market today according to Life Ti... Read More »

Disadvantages of Oxygen-Permeable Soft Contact Lenses?

Oxygen-permeable soft contact lenses are sold on the market as silicone hydrogels. These differ from RGP (rigid gas permeable) contact lenses in that RGP's are hard lenses. Both lenses allow oxygen... Read More »