Reading Glasses +6.50 +7.00 +7.50 +8.00 Optical Lenses High Strength Eyeglasses. Automatic Progressive Multifocal Black Reading glasses Tint Grey SunGlasses. [Durable]: strong and flexible legs, good toughness, light weight and not easy to wear, transparent lenses are not easy to be scratched, low chromatic aberration to give you a good visual experience.