1) 1.499 polarized bifocal semi-finished lenses: a) Diameter: D28/70mm b) Base curve: 400, 600, 800 c) Addition: +1.00 ~ +3.00 2) 1.499 polarized progressive semi-finished lenses: a) Diameter: 75mm b) Base curve: 400, 600, 800 c) Addition: +1.00 ~ +3.00 3) Available colors: B15, B30, G15, G30 Skype: clearoptical