Special nano technology: formed an anti-fog layer on the surface to prevent the vapor condensation on the lens surface. The anti fog cloth will never hurt any lenses surface, no matter with special treatments, such as anti glare or transitional.
Multifunction: Applicable to glasses lenses, camera, screen, binoculars and more. Easy to clean and prevent surface fogging.
Superior quality lenses: filter up to 85% of blue light that can cause digital eye strain, premature eye-aging, and interfere with sleep.
CR-90 lenses are lightweight and shatterproof,no pressure on ears for all day wearing.