Easy On The Eyes. An Update On A Classic: Pilot Frames With New Blue Light-Filtering Lenses. &Nbsp;The Blue Light Filtering Eyeglasses Are Designed To Improve Visual Comfort In Front Of Digital Devices Through Blue Light Filtration, Reducing It By At Least 20% Between 380 And 450 Nm. Great For Indoor Or Outdoor Wear, The Non-Prescription Clear Lenses Feature Uv Protection And An Easy-To-Clean Treatment.