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9 November, 03:45

Why must contact lenses be removed before you enter a chemistry laboratory?

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  1. 9 November, 04:59
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    The vapors of some chemicals used in the chemistry laboratory, especially isocyanates, can react and bond the contact lens to the eye.

    (FYI - the family of isocyanates include Superglue ... I wouldn't want to have been the person who discovered this unfortunate reaction!)
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