?Because blue light filter coating on glasses allows more light to pass through to your eye, your eyes can relax while wearing the glasses. Please feel free to contact us if any unexpected problem occurs during the wearing, such as unwanted light reflection, headache, or any other kind of discomfort and problems. We are always here and ready to help you with any possible trouble you may meet. Just contact seller by clicking below on our name and then click the ‘ask a question’ button. ?WORKS WITH ALL SCREEN TYPES: In addition to all-around protection promised, we offer a full range of choices, including blue light blocking glasses, gaming glasses, anti-glare glasses, UV protection glasses or sunglasses, antiglare computer glasses and computer protection glasses, professional and best choice for both men and women. ?OPTIMUM FIT FRAME: The frame is fully-customized for the most comfortable experience as well as the unparalleled durability. Classic design helps glasses adapt to all face types; superlight materials and specially designed legs offer added comfort, ensuring a perfect grip without bringing pressure on head even after long-time wearing. ?FOR BETTER SLEEP: Various factors can influence your sleep, including the plethora of electronic devices, sunlight and blue light everywhere. Our blue-light-filter-glasses is super-comfortable and suitable for all-day wearing, which allow you to enjoy digital time, protect you from potential risks brought by blue light, and thus ensure you a good night!. ?REDUCE EYE STRAIN: Over-exposure to blue light is one of the main culprits causing eye strain, blurred vision or headaches. As one of the most technologically advanced optometry brands in the UK, we offer high-quality tailor-made blue light blocking glasses to reduce eye strain and keep your eyes healthy.