Semi-finished – Line-Bifocal Semi-finished Line-BifocalSemi-Finished SOMO 1.67 Spherical FT 28-BifocalSemi-Finished SOMO 1.60 Spherical FT 28-BifocalSemi-Finished SOMO Polycarbonate Spherical FT 28Semi-Finished SOMO 1.56 Spherical FT 28-Bifocal