Give your eyes a break from harsh screen light! Studies show that blue-light emitted from computer and phone screens is a leading cause of migraines, insomnia, and eye fatigue. These gorgeous, classy glasses will filter blue light emitted by your computers, tablets, and smartphones, reducing eyestrain and giving you a better night's sleep. In tests, these glasses block 99.9 percent of radiation, bringing you a premier level of protection. Choose from a variety of colors.