shield your eyes from the harmful blue light of digital devices. Blu blocking technology has special reflective coating that blocks harmful 410 nm blue light from digital screens and protects the light-sensitive retina of the eye from damage. Stylish Lenskart BLU light glasses in excellent condition. These glasses feature a sleek black frame and are designed to filter out blue light, reducing eye strain from screens. Perfect for students, professionals, and anyone who spends a lot of time looking at digital devices. Comes with case.