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CHANG MEI Z
CHANG SING HSIUNG
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Individual
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Publication of CA2040419A1publicationCriticalpatent/CA2040419A1/fr
Soft, hydrophilic gas permeable contact lens comprising a polymer of a vinyl siloxane monomer and a hydrophilic monomer having a higher proportion of hydroxy acylic monomer units to silicone units in the surface as compared with the lens body