CR-39 1.499 Progressive Lenses Finished lenses: 1) Imported Israel moulds 2) Normal corridor ( 17mm) : a) Good for medium and large size frames b) Popular in European countries 3) Short corridor ( 14mm) : a) Good for small and medium size frames b) Popular in Asia and South America 4) Power range: a) Plano ~ + 3.00 / ADD + 1.00 ~ + 3.00 b) -0.25 ~ -2.00 / ADD + 1.00 ~ + 3.00 Semi-finished lenses: 1) Diameter: 75mm, 70mm 2) Normal corridor ( 17mm) , Short corridor ( 14mm) 3) Base: 200, 400, 600, 800 4) Add: + 1.00 ~ + 3.00 1.56 Mi-Index Progressive Lenses 1) Imported M.S. Israel molds 2) Finished progressive lenses: a) Power range: Sph: 0.00 ~ + 3.00 / Add: + 1.00 ~ + 3.00 Sph: 0.00 ~ -6.00 / Add: + 1.00 ~ + 3.00 b) Available in short corridor ( 12mm) and normal corridor ( 14mm) c) Diameter: 65mm/ 70mm 3) Semi-finished progressive lenses: a) Base: 100B, 200B, 300B, 400B, 500B, 600B, 700B, 800B b) Add: + 1.00 ~ + 3.00 c) Available in short corridor ( 12mm) and normal corridor ( 14mm) d) Diameter: 65mm/ 70mm Skype: clearoptical