1.499 Progressive Lens

Semi-finished: Preview , Short (12+2), Long, Short (14+2)

Finished: Long, Short (14+2)

Finished Power Availability:-2.00 ~+3.00 Add+1.00 ~+3.50.

Short corridor

Low distortion

Maximum Astigmatism

1.499 Semi-finished Progressive Lens
CorridorFitting CrossDistance CircleNear Area CircleMinimum fitting heightBaseAddition Powers
(up from center)(up from center)(down the center)Curves(in 0.25D steps)
Preview+4.0mm+10.0mm9.0mm14mm150, 350,1.00 ~3.25
575, 775
Long+2.0mm+8.0mm17.0mm & 80 degree & to the lens side20mm200,400,1.00~3.50
600,800,
Short(12+2)+2.0mm+8.0mm12.0mm15mm150, 350,1.00 ~3.00
575, 775
Short(14+2)+2.0mm+8.0mm14.0mm17mm200,400,1.00~3.50
600,800,

1.61 S/F Progressive Lens

Semi-finished Progressive lens: Short (12+2), Long, Short (14+2)

Semi-finished Progressive lens color: Grey, Brown

Short corridor

Low distortion

Maximum Astigmatism


1.61 Semi-finished Progressive Lens
CorridorFitting CrossDistance CircleNear Area CircleMinimum fitting heightBaseAddition Powers
(up from center)(up from center)(down the center)Curves(in 0.25D steps)
Short(12+2)+2.0mm+8.0mm12.0mm15mm125, 325,0.50~3.50
550
Long+2.0mm+8.0mm17.0mm & 80 degree & to the lens side20mm200,400,1.00~3.50
600,800,
Short(14+2)+2.0mm+8.0mm14.0mm17mm200,400,1.00~3.50
600,800,