There are areas on the inside where the gloss has faded and become whitish. Please check the images. Prescription lenses are installed. A collaboration between a Sabae eyewear craftsman and the up-and-coming brand "tsetse." This cool new brand has revolutionized the image of celluloid by fusing the world-class techniques of Sabae's renowned eyewear craftsmen with the unconventional designs that advocate a no-concept approach.