ESS Credence Replacement Lenses . 2mm Polycarbonate Clear Replacement Lenses Fit The Ess Credence Sunglass. This Kit Includes Two Clear Credence Lenses (right And Left) And A Protective Lens Pouch. The Credence Sunglass Is Sold Separately. Credence Lenses Provide 100percent Uva/uvb Protection And Are Compliant With U.s. Federal Osha And Ansi Z87.1?2015. Non-polarized Lenses Also Meet And Exceed U.s. Mil Spec Mil-prf-31013 (clause 3.5.1.1).