Invention Grant
US09001314B1 Protection factor rating system for protective eyewear 有权
保护眼镜防护等级系统

Protection factor rating system for protective eyewear
Abstract:
A method of rating eyewear includes providing eyewear to be rated, measuring a physical property of the eyewear selected from a group that includes ultraviolet radiation absorption, blue light radiation absorption, infrared radiation absorption, and light blocking capability, transforming the physical property into a rating value, and informing a prospective consumer of the rating value.
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