UVtech SLEEP-2R 100% Blue Light Filter and Green Red Glasses Computer PC Gaming Bluelight UV Blocking Anti Women Men

UVtech SLEEP-2R are stylish glasses that filter out blue and green light that disturbs the natural rhythm of the day. There are 3 lens colours available, red (100% red and green), orange (100% blue and 70% green) and yellow (30% blue). SLEEP-2R glasses that can be worn 1.5 hours before bedtime to block blue light and optimise the circadian rhythm (adjusting your biological rhythm). They can block up to 100% of harmful blue and green light. They block a spectrum with a wavelength of 380 to 565 nm. Coloured glasses reduce eye fatigue. Certification: CE EN166 / ANSI Z87.1. The dimensions of the glasses are 13.5 cm (width), 14.5 cm (length) and 4.7 cm (height). Unlike clear "blue light safety goggles", these actually filter out the blue and green spectral components. A microfibre cloth is included.