1.499 Progressive Lens

1.499 Progressive Lens

Design: M.S., Crossbow

Corriodr: Long(17+2mm ,18+2mm)

            Short(12+2mm,14+2mm)

Additions: 1.00 to 3.50 in 0.25D steps

Finished Power Range: -2.00 to +3.00,Add +1.00 to +3.50

Advantage: With full design and corridor for your choice. Crossbow is most popular, with narrow power tolerance and smaller distortion.

Corridor :

18+2/14+2/(Ms Design)

17+2/+12+2(Crossbow Design)

Technical Data

Ø       Width of Far Vision Zone                        0.5 D     10.4mm

       (2mm above MRP)                                       1.0 D   Clear

Ø       Width of Far Vision Zone                        0.5 D     23.0mm

Ø           (8mm above MRP)                                      1.0 D    Clear

Ø       Height of Iso-Astig. Line above            0.5 D      6.8mm

Ø           0-180 line (17mm from MRP) temporal 0.5 D                 5.5mm

Ø       Width of Reading Zone                             0.5 D       8.3mm

Ø           (14mm below MRP)                                      1.0 D   14.0mm

Ø       Fitting Cross                                        up form center         2.0mm

Ø       Start of Progressive above MRP                                   -2.0mm

Ø       End of Progressive above MRP           14.0mm

Ø       Maximum Astigmatism                                               -2.5

Ø       Corridor Width                                             0.5 D                 4.6mm                                                                                                                        1.0D                 8.7mm

Ø       Minimum Fitting Height                                                  17mm