Featured is a progressive lens with a refractive index of 1.56. It is coated with hard material to boast high impact resistance. This progressive lens is ideal to mounting onto any spectacle frames.
Fitting cross: +2.0mm up form center.
Distance circle: +8.0mm up from center.
Near area circle: 17.0mm, 8 degree down the center and to the lens side.
Average width in the corridor: 7mm (in 1.0 diopter scale).
Width of addition area: 18mm (measured 20mm from center in 1.0 diopter scale).
Maximum astigmatism: no more than specific ADD (in the 50mm circle).