Progressive
 
1.61 Progressive Short Corridor Semi Finished Lens
  progressive
Specifications and Availability
-Material : 1.61 Index Resin
(nd=1.592, Abbe=42, Specific gravity=1.34)
-Lens Size : 75mm Diameter With optics centered
-Add Power : +1.00 to +3.50 in, 0.25D steps
 
   
1.56 Progressive Short Corridor Semi Finished Lens progressive
 
Specifications and Availability
-Material : 1.56 Index Resin
(nd=1.549, Abbe=38, Specific gravity=1.28)
-Lens Size : 75mm Diameter With optics centered
-Add Power : +1.00 to +3.00 in 0.25D steps
   
1.56 Progressive Regular Corridor Semi Finished Lens progressive
 
Specifications and Availability
-Material : 1.56 Index Resin
(nd=1.549, Abbe=38, Specific gravity=1.28)
-Lens Size : 75mm Diameter With optics centered
-Add Power : +1.00 to +3.00 in 0.25D steps