Protection factor rating system for protective eyewear

摘要

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.

主权项

1. A method of rating eye protective capability of eyewear frames, the method comprising:
measuring an ultraviolet (UV) radiation blocking capability of a frame to be rated, wherein measuring the UV radiation blocking capability of the frame comprises measuring a quantity of direct or scattered UV radiation that can reach an eye of a user of the frame (a) without being blocked by the frame and (b) without passing through a lens of the eyewear; transforming the UV blocking capability of the frame into a frame rating value; and informing a prospective consumer of the frame rating value.