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How to Test if Sunglasses Are Actually Polarized: Three 30-Second Methods (Cali Life Co.) TL;DR: Three reliable home tests confirm polarization in 30 seconds. The screen test holds the lens against a phone or laptop and rotates it 90 degrees, real polarized lenses go dark or show color patter... View Post
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Difference Between UV400 and Polarized: Two Specs, Two Jobs (Cali Life Co.) TL;DR: UV400 and polarized are different things. UV400 blocks ultraviolet light up to 400 nanometers, protecting long-term eye health from UVA and UVB exposure. Polarization is a film inside the lens that eliminates h... View Post
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Are Cali Life Sunglasses UV400 Protected? The Lab-Spec Answer (Cali Life Co.) TL;DR: Yes. Every Cali Life Co. sunglass lens is UV400 protected, blocking 100 percent of UVA and UVB rays up to 400 nanometers. UV400 is the gold standard for sunglass UV protection. It exceeds the American Optomet... View Post