Intellilens Round Blue Cut Computer Glasses for Eye Protection | Zero Power, Anti Glare & Blue Light Filter Glasses | UV Protection Specs for Men & Women | TR90 Frames & CR39 Blue Cut Lens THE ULTIMATE COMPUTER GLASSES FOR EYE PROTECTION is made up of frame material: TR90 (Flexible Light-Weight) | Frame Size: Medium | Frame Colour: Blue | Frame Width: 134mm | Frame length : 49mm | bridge width : 19mm ADVANCED BLUE CUT TECHNOLOGY | The anti glare glasses for men and women are made of multi-layered CR39 blue cut lenses that block out harmful blue light to ease computer eye strain. These lenses are also scratch Resistant, offering UV protection and are hydrophobic & dust repellent.