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Solving the mechanistic mystery of RGP blending - Removal versus redistribution

1 May 1995


The effect of blending a rigid gas permeable (RGP) contact lens was studied, specifically concentrating upon whether the process removes lens material or if it simply redistributes it. The masses of RGP lenses were measured both before and after blending, and then analysis was performed to determine if material had been removed. Findings indicate that blending a contact lens does indeed remove lens material. This was found to be true with both silicon acrylate and fluorosilicon acrylate lenses.


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