So, I have your interest and you want to know more about RGP contact lenses. Well good, you are now on the right track to learn more about the cutting edge technology of this corrective eye wear.
Gas permeable (GP) which are also known as (RGP) rigid gas permeable and oxygen permeable lenses are literally light years ahead of the old hard contact lenses.
When you get right down to the bottom line truth about RGP contact lenses, you are getting down to some really serious medicine for people with vision difficulties.
Let’s first talk about the old style hard contact lenses. Remember those! These contacts originally came out in 1945, and were made with a material known as polymethyl-methacrylate (PMMA), boy that was a mouthful.
Now as I was saying, PMMA which is an emorphous thermoplastic with good optical qualities was used in just about all contact lenses prior to the soft lenses hitting the market in the 1970’s.
Which unfortunately for contact lense wearers back then was very uncomfortable and very difficult to get used to if you could.
But not only that! PMMA lenses was just not healthy for your eyes because they did not...
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