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Progression of keratoconus in patients wearing pancorneal toric edge rigid gas-permeable contact lenses. | Semantic Scholar
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Association Of Malaysian Optometrists (AMO) - Types of Contact Lenses There are two general categories of contact lenses – soft and rigid gas permeable (RGP). All contact lenses require a valid prescription
![The therapeutic and optical application of a rigid gas permeable semi-limbal diameter contact lens. | Semantic Scholar The therapeutic and optical application of a rigid gas permeable semi-limbal diameter contact lens. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/cba6ef4de55fa5512b30f22d4c2f3575dbce63ba/3-Figure2-1.png)
The therapeutic and optical application of a rigid gas permeable semi-limbal diameter contact lens. | Semantic Scholar
![rigid gas-permeable contact lens on eye | Gas permeable contact lenses, Contact lenses, Contact lenses colored rigid gas-permeable contact lens on eye | Gas permeable contact lenses, Contact lenses, Contact lenses colored](https://i.pinimg.com/originals/bd/72/7c/bd727caa3f8b763991ff4bc8fbc9f73b.jpg)