(Alden)     Classic Sphere  38,  55    
Property ValueNotes
Base Curves 6.5mm to 9.7mm 7.7, 7.9, 8.1, 8.3,
8.5, 8.7, 8.9 suggested
diameter 10.0mm to 16.0mm 13.0, 13.5, 14.0 suggested
powers -30  to +30D 0.25D steps
qty single vial, 4 pack, 6 pack
Mode DW
Replacement 1-3 month
Charge Div I: 45.00 each,   90.00 4 pack
Div II:75.00 each,  150.00 4 pack
Material     Classic 38:    Polymacon   38% H2O    
or Classic 55:    Methafilcon A   55% H2O
Group  Classic 38:    I,   low water - nonionic    
Classic 55:    IV,   high water - ionic     
Man. Process lathe cut
DK 9, 17 respectively
ct 0.12mm @ -3.00
OZ varies by diam & power
Tint visibility
Various solid and prosthetic tints available.
Used as replacement or specialty lens; HP series now preferred.