Most people today prefer to use the light and hassle free soft contact lenses, but there is a niche among contact lens users who prefer the rigid gas permeable ones also called RGP (oxygen permeable). The older types are made of a material called PMMA.
This material was used to make all products until the advent of soft types in 1971. But, gas permeable version are made from silicone that makes them more flexible and oxygen permeable as compared to the older versions of these eye products.
The silicone in RGP contact lenses makes them more comfortable for users. They are also oxygen permeable, a factor that helps promote ocular health. These items have some other distinct advantages. They provide better, crisper vision as compared to soft contacts.
This is because they retain their shape well when you move your eyes or blink. They are also more durable and deposit resistance than the soft lenses. If you find cost a significant constraint, then these products are a good choice as they are more economical in the long run in comparison to soft lens varieties.
There are some factors that make adaptation to these products take longer. They need more time to get used to on account of their rigidity. On the other hand, soft version have a barely there property that makes them very attractive to users.
If you get back to wearing these types after a week’s break also, they need time to get used to. Some people might also find a blur when they switch from these version to spectacles. this condition is usually temporary. Still, rigid ones are a good choice for those astigmatic who do not get results with soft lenses. they are also great for those who need bifocals. These products are also recommended for those with eye conditions like keratoconus.
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