  | 
                | 
               | 
               | 
               | 
            
            
              | Semi-Finished Single Vision | 
               | 
                | 
               | 
              Sphere | 
              Cyl to | 
            
            
              1.50 Standard Index | 
               | 
               | 
               | 
               | 
               | 
            
            
              | Younger Optics SFSV DIGITAL | 
               | 
              GR | 
               | 
              -10.00 to +8.50 | 
              -4.00 | 
            
            
              1.53 TRIVEX® Single Vision | 
               | 
               | 
               | 
               | 
               | 
            
            
              | Younger Optics Trilogy® Spherical SV | 
               | 
              GR | 
               | 
              -8.00 to +7.50 | 
              -4.00 | 
            
            
              1.59 Polycarbonate Single Vision | 
               | 
               | 
               | 
               | 
               | 
            
            
              | Younger Optics SV | 
               | 
              GR | 
               | 
              -9.00 to +6.00 | 
              -4.00 | 
            
            
              1.67 Super High Index Single Vision | 
               | 
               | 
               | 
               | 
               | 
            
            
              | Younger Optics Single Vision 1.67 MR-10™ | 
               | 
              GR | 
               | 
              -11.00 to +7.00 | 
              -4.00 | 
            
            
            
               | 
            
            
            
                | 
                | 
               | 
               | 
               | 
            
            
              | Digital | 
               | 
                | 
               | 
              Sphere | 
              Cyl to | 
            
            
              1.53 TRIVEX® | 
               | 
               | 
               | 
               | 
               | 
               | 
               | 
            
            
              | Camber™ | 
               | 
              GR | 
               | 
              -11.00 to +6.25 | 
              -4.00 | 
            
            
              1.59 Polycarbonate  | 
               | 
               | 
               | 
               | 
               | 
               | 
               | 
            
            
              | Camber™ | 
               | 
              GR | 
               | 
              -10.00 to +6.25 | 
              -4.00 | 
            
            
              1.67 Super High Index  | 
               | 
               | 
               | 
               | 
               | 
               | 
               | 
            
            
              | Camber™ | 
               | 
              GR | 
               | 
              -14.00 to +8.00 | 
              -4.00 | 
            
             
             
             
            
            
               |