KJ Life Blue Light Blocking Glasses Fits Over Eyeglasses or Can Be Worn As USA Authorized - Is. [Spectra Distributor]

[Can be worn over glasses] These glasses can be worn over your regular glasses or reading glasses, or worn on their own. They are designed for easy everyday use. [Blocks 99% of blue light] Wear them over your glasses when working on a PC or smartphone at night to easily protect yourself from blue light. The Spectra479 model is also popular on Amazon, with over 400 units sold each month. [Technical Specifications] Tested to block over 99.9% of light from 280 to 510 nm (including UV rays). The lens design is specifically designed to block wavelengths from 450 to 510 nm. [Main features] - Easy to wear over glasses - Orange lenses for blue light protection - Designed to prevent darkening of the field of vision - Lightweight and comfortable fit