Glass Elite VisionGuard is 5x stronger than traditional glass screen protection.1 This powerful aluminosilicate glass is made with ion exchange technology increases surface compression for greater strength and scratch-resistance We depend on our digital devices for almost everything. But prolonged exposure to blue light, emanating from our screens, can contribute to digital eyestrain. Glass Elite VisionGuard has an enhanced Eyesafe layer that filters 40% of peak toxic blue light (435-440nm) Glass Elite VisionGuard contains anti-microbial treatment that protect the screen protector by inhibiting the growth of odor-causing bacteria and guarding against degradation from microorganisms. Contains anti-microbial treatment that protects the screen protector by inhibiting the growth of odor-causing bacteria.*