Gas Permeable (GP) Contact Lenses

If you are looking for contact lenses, you may be confused trying to decide which type of contact lenses will be right for you ... which type of contact lenses will best meet your needs, improve your vision and keep you safe and healthy.

Through this article, we provide you with some facts and factors relating to gas permeable or GP contact lenses.  Of course, if after reading this article you find that you have additional questions or a desire for more information about gas permeable of GP contact lenses, we do suggest that you make an appointment with your eye doctor.  Your eye doctor will be able to provide you with helpful information about gas permeable lenses and assist you in determing whether gas permeable lenses are right for you.

History of Gas Permeable Lenses

Gas permeable lenses were first introduced in the late 1970s and are actually a newer technology than soft lenses. Most gas permeable lenses are made partially of silicone, which make them more flexible than most lenses.  One of the greatest features of silicone-based lenses is that oxygen can pass through them therefore giving much greater comfort and better eye health.  These lenses allow more oxygen to the eye than do traditional soft contact lenses except for some of the newer silcone hydrogel soft lenses, as these are very comparable to gas permeable in actual oxygen transmission.  These lenses quite often give the wearer better vision and are much more durable.  They also are more resistant to deposits on the lenses than are soft contact lenses.  These are long lasting lenses and are normally less expensive over the long run than soft lenses.

The Durability of Gas Permeable Lenses

Because gas permeable lenses are very durable, it is difficult to break or tear them as easily as soft lenses.  They are made of a stiff material that does not lose its shape over time as you blink so therefore your vision is more clear and crisp than using soft lenses These lenses can last for years as long as you don’t need a new prescription. 

Clear Vision with Gas Permeable Lenses

Gas permeable lenses are wonderful for those that want or require truly quality vision.  Additionally, should someone have astigmatism, soft contacts will not give the desired visual adjustment necessary.  These lenses also come in several bifocal and multi-focal designs for people with presbyopia who have a need for a combination adjustment for their vision.

Gas Permeable Lenses and Keratoconus

Gas permeable lenses also are good for those who have a condition called keratoconus where the cornea is cone shaped.  These lenses can work perfectly and stay on when the individual blinks or they look up or down.

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