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单词 Melafocon a
释义

Melafocon a

英语百科

Rigid gas permeable

(重定向自Melafocon a)

Rigid gas permeable lenses are rigid contact lenses made of oxygen-permeable polymers. Initially developed in the late 1970s, and through the 1980s and 1990s, they were an improvement over prior 'hard' lenses that restricted oxygen transmission to the eye.

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