  | 
                  | 
                 | 
                 | 
                 | 
              
              
                | Semi-Finished Single Vision | 
                 | 
                  | 
                 | 
                Sphere | 
                Cyl to | 
              
              
                1.50 Standard Index | 
                 | 
                 | 
                 | 
                 | 
                 | 
              
              
                TRN 1.50 DS (76mm) UC/HC DIA.72 | 
                 | 
                GR | 
                 | 
                Base 0.50, 8.75, 10.50 | 
                 | 
              
              
                TRN 1.50 DS (76mm) UC/HC DIA.76 | 
                 | 
                GR | 
                 | 
                Base 2.00, 3.50, 4.25, 5.25, 6.25, 7.25 | 
                 | 
              
              
                1.53 TRIVEX® Single Vision | 
                 | 
                 | 
                 | 
                 | 
                 | 
              
              
                TRN 1.53 Trivex (78mm) SV UC/HC DIA.74 | 
                 | 
                GR | 
                 | 
                Base 0.50, 1.00 | 
                 | 
              
              
                TRN 1.53 Trivex (78mm) SV UC/HC DIA.78 | 
                 | 
                GR | 
                 | 
                Base 2.00, 3.50, 4.25, 5.25, 6.25, 7.25, 8.75 | 
                 | 
              
              
                1.59 Polycarbonate Single Vision | 
                 | 
                 | 
                 | 
                 | 
                 | 
              
              
                TRN 1.59 Polycarbonate (79mm) SV HC DIA.79 | 
                 | 
                GR | 
                 | 
                Base 1.50, 3.25, 4.25, 4.75, 5.50, 7.00 | 
                 | 
              
              
                1.60 High Index Single Vision | 
                 | 
                 | 
                 | 
                 | 
                 | 
              
              
                TRN 1.60 SV (80mm) UC/HC DIA.76 | 
                 | 
                GR | 
                 | 
                Base 8.50 | 
                 | 
              
              
                TRN 1.60 SV (80mm) UC/HC DIA.80 | 
                 | 
                GR | 
                 | 
                Base 1.75, 2.75, 3.75, 4.75, 6.00, 6.75 | 
                 | 
              
              
                1.67 Super High Index Single Vision | 
                 | 
                 | 
                 | 
                 | 
                 | 
              
              
                TRN 1.67 SV (80mm) UC/HC DIA.80 | 
                 | 
                GR | 
                 | 
                Base 1.75, 2.75, 3.75, 4.75, 6.00 | 
                 | 
              
              
                TRN 1.67 SV (80mm) UC/HC DIA.81 | 
                 | 
                GR | 
                 | 
                Base 6.75, 8.00 | 
                 | 
              
               
               
               
              
              
                 |