UVtech SLEEP-3R is a stylish pair of glasses that filter blue and green light that disrupts the natural rhythm of the day. 3 lens colors available, red (100% red and green), orange (100% blue and 70% green) and yellow (30% blue) SLEEP-3R glasses that can be worn 1.5 hours before bedtime to block blue light and optimize circadian rhythm (adjust your biological rhythm). It can block up to 100% of harmful blue and green light. They block a spectrum with a wavelength of 380 to 565 nm. Colored glasses reduce eye fatigue. Certification: CE EN166 / ANSI Z87.1. The frame of the glasses is made of TR90 material, and the lenses are made of polycarbonate. Unlike clear blue light blocking glasses, they actually filter out the blue and green spectral ratios. Comes with a microfiber cloth.
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