This is the highest level of optical coating innovation that protect against blue light which is a danger to the retina originating from the screens of computers, smart phones and tablets. Furthermore, Zaphire™ Nano Blue also protects against scratches, cut reflective light, prevent static electricity and increase surface lubricity for ease of cleaning.
Lenses coated with Zaphire® Nano Blue have high clarity according to TOG standard which aside from protection against blue light the coating also offer 100-percent protection against ultraviolet (UV) ray.