Benefits of block blue light blocking glasses Blue-light filters block out harmful wavelengths that might otherwise reach your eyes, providing relief if you're having difficulty sleeping at night or have trouble focusing due to eye strain. Unfortunately, this type of eyewear has yet to be proven effective in helping with eyestrain or headaches caused by digital screens. Instead, try employing healthier screen habits and turning on your phone's dark mode for optimal viewing experiences. One can visit the site to get complete insights about block blue light glasses.