Reduce eye pressure: Safety glasses filters can help you filter natural light in colours other than red. If your eyes are getting tired from bright or flashing laser beams, wearing goggles will help reduce eye pressure. Stay safe for a long time: no more heavy, uncomfortable goggles! These filters are lightweight and flexible, with a non-slip frame, yet durable. They come with shatterproof polycarbonate plastic lenses. Specifications: Laser safety glasses protect against red light at a wavelength of 650 nm, blue light at a wavelength of 445 nm and blue-violet light at a wavelength of 405 nm. These safety glasses protect against lasers with wavelengths from 405-1064 nm. The professional's choice: Lightweight safety glasses are designed to provide protection for a variety of professional and home applications, as long as UV rays are involved and your eyes need protection! They are also perfect for blocking blue light. Note: May not fit over regular glasses unless the regular glasses have thin frames. Well made and beautiful to look at.