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impact resistance

 

Definition: the ability of a lens for eyewear to withstand impact, of a 38-inch steel ball dropped 50 ft, without shattering or breaking; criteria for determination of impact resistance are specified by U.S. regulations.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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