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Gas Permeable Contact Lenses - Everything You Need To Know

Gas Permeable Contact Lenses (also know as rigid gas permeable) have been gaining a lot of popularity in the past few years. So here at the eye care guys blog, we figured we would give you a full run down on everything you need to know.

First off, you should know that there are 3 different types of contact lenses.

You can read about any of the 3 by clicking on the links.

Gas permeable lenses make up about 8-10% of all contact lens sales, and are become increasingly popular, especially in the younger generations. They were created as, and have become the replacement to pretty much all hard lenses. They are durable and sturdy so you don't have to worry about them falling out of place, they resist deposits from building up, and they resist bacteria like a normal hard lens, but they also transmit oxygen (unlike conventional hard lenses) making them much more comfortable. They also don't have water in them like a conventional soft lens does which can be very annoying. They are truly the best of both worlds.


What do Gas Permeable Contact Lenses Look Like? (in comparison)

As you can see, the RGP lenses are much smaller which is a result of years of fine tuning. This makes it so when you blink you will feel them much less (if at all) then the soft lenses (and especially against hard lenses).


Who is the best candidate from RGP contact lenses?

  • Anyone - Quite frankly, anyone can use rigid gas permeable contact lenses because they are a really good balance of hard to soft. Being a good middle ground makes them ideal for anyone who isn't too picky about durability or softness on the eyes.
  • People with a multitude of eye diseases - 
    • Astigmatism - If normal soft contact lenses aren't doing it for you, these are a much better option then going right to a hard lens. The fact that they let oxygen in will help you greatly.
    • Keratoconus - This is an eye disease that stems from the cornea, so the extra oxygen getting to the cornea through the permeable lenses will help immensely.
    • Presbyopia - This is a disease that forces you to use bi or multifocal lenses. Since RGP's come in so many different options, this is perfect for this condition.


Why Gas Permeable Contact Lenses?

I touched on it a little bit before, but GPCL's are ideal because they allow oxygen to get into the cornea. This added oxygen keeps everything in your eye in balance. They are also custom fitted to every single person who wears them, so obviously you are getting optimal comfort by wearing these. To learn more about how a contact lens fitting works click on the link.

In recent years, doctors have also been able to thin out the actual contacts while maintaining the durability. This allows for more oxygen to pass through and better comfort.

However, I do have to add that while these contact lenses are very comfortable, there is a small amount of time you need for your body to get used to them. It's a common misconception that soft lenses are the most comfortable and as lenses get harder they lose comfortability. When in reality, a soft lens is easier on your eye, so it adapts faster. So you get faster comfortability, but in the long run GPCL's are a much better idea.

If you have any additional questions or concerns don't hesitate to leave a comment below, or send us a message via the contact page.

Always, - CLE

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