If that doesn’t help, Khurana recommends artificial tears to help lubricate dry eyes. In the end, he says you don’t need to wear blue-light-blocking glasses during the day. However ...
The glasses use a patented technology with a wavelength of 468 nanometers at a light intensity of 35 lux, and the bright light LEDs are distanced at over 1.5cm from the eyes and are safe to use ...