CR39 single vision lens 1.Made with Italy material 2.High transmision, thin and light 3.Dia: 50mm to 70mm 1) Power range: a) For ... Loh),and leybold coating machines.Our prescription lenses:single vision,bifocal lens,progressive lens,polarized lens,photochromic lens,PC lens,free form…To be ready forTomorrow’s ... to set cooperation with your company to create in wonderful vision. CR39 single vision lens