Description

This article is from the Vision and Eye Care FAQ, by grants@research.canon.com.au (Grant Sayer) with numerous contributions by others.

3.3.2 RGP

Combination of PMMA and other polymers to increase the oxygen permeability
and allow longer wearing time. Lenses are also often larger in diameter
than PMMA to increase the comfort of wearing the lens


Major design types include;

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