Why use protective Laser Safety Glasses?Does it useful?Prolonged direct exposure to bright light during red light therapy, tanning, infrared sauna, laser hair removal, or teeth whitening may cause red eyes, double vision, cataracts, and retinal burns. Wearing Laser Safety Glasses can effectively protect your precious eyes.When conducting high-energy laser experiments and research, not only must wear protective glasses, but also no reflective objects on the whole body.Quality service:1. If you have any questions, you can contact us.2.Our customer service team will do our best to solve your problems and make you 100% satisfied.