Forensic Engineering Analysis of Safety Shooting Glasses Subject to Ballistic Impact

Article Author(s): David Danaher, P.E. (NAFE 703M)

Volume: 28
Volume #: 2
Month: December
Year: 2011

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Currently there are voluntary standards in place that outline the impact resistance of safety glasses.
Although the standards set forth by the American National Standards Institute (ANSI) outline testing
that can be used to calculate a minimum level of energy which the lens should absorb, independent testing
has shown that the performance of modern safety glasses exceed the minimum requirements of the
absorbed energy. This paper will show the level of energy which a random sample of safety glasses can
withstand and compare the results to the current standards.

Key Words
Ballistics, Safety Shooting Glasses, Eye Protection, Standards, Energy