American National Standard for Occupational and Educational Eye and Face Protection Devices

Establishes performance criteria and testing requirements for devices used to protect the eyes and face from injuries from impact, non-ionizing radiation and chemical exposure in workplaces and schools. It covers all types of protector configurations including spectacles (plano and prescription), goggles, face shields, welding helmets and full face-piece respirators.

The Z87+ is required when claims of compliance such as impact rating or a specific lens type and/or use are made by the manufacturer for plano protectors

U and Scale Number (Scale ranges from 2 to 6 – the higher the number the highest protection from far and near UV)