Move Over Hard Contact Lenses, Here Comes Something More Breathable
The advantage hard contact lenses have is that they would tend to last for years.
The disadvantage was they did not allow enough oxygen to reach the cornea.
In their day, hard contact lenses were the best option for vision correction with contacts. Today this is not the case and their are very few people who still wear actual hard contact lenses. Most wearers have been transitioned to the much healthier gas permeable contacts. Looking at the two styles side by side, you would not be able to tell the difference. The real difference is the ability for the plastic to pass oxygen. Hard lenses and low oxygen permeable materials are more prone to cause issues such as corneal edema and corneal molding.
So along came the rigid gas permeable contact lens. An RGP looks and feels similar to a hard lens, the main difference is the oxygen it provides to the cornea. If you currently wear hard lenses, it is suggested you speak to your eye care professional and see if gas permeable lenses are for you.
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Resources:If you are still wearing "hard" contact lenses and have yet to be switched over to gas permeable, or perhaps you and your eye care provider decided it was ok for you to not make the switch, then you are certainly at the point that you can benefit from a pair of designer reading glasses. Readers will help alleviate eye strain and improve your near vision.
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