Why Not Wear Category 3 Sunglasses While Driving?

Why Not Wear Category 3 Sunglasses While Driving? But what most do not know is that since 1959, California’s Vehicle Code prohibits wearing them while driving. Specifically, if the eyewear temple thickness is 1⁄2 an inch or thicker and blocks your side vision, it can pose safety hazard, interfering with your ability to see motorists