Not only are these glasses cute and on trend, but the lenses have also been shown to cut down blue-light absorption by 30 percent, limiting overexposure to the blue light emitted from screens and indoor lighting around the clock. The design helps to prevent digital eye strain, which typically begins around the two-hour mark of using those screens. Cutting out blue light can improve sleep and reduce eye strain. Subscribers get to choose between four chic styles — being a four-eyes never looked so good.