Borelis

Ø_T Total diameter

12.00 => 15.00… 19 mm (according to materials)

r₀ Base curve

7.00 => 12.00 mm

F'v Sphere

-40.00 => +40.00 dpt

Add Addition

+0.50 => +4.00 dpt

Zoc Central optic zone central

Geometry

Spherical back opric zone with aspheric flattening

Front spherical multicurve optic zone

• Bifocal (Bf): two spherical concentric optic zones distant / near
• Simple Progressive (Sp): spherical and aspheric concentric zones: distant / intermediate / near
• Multiprogressive (Mp): multiple spherical and progressive concentric zones: distant / intermediate / near

Materials

Product information

Modifiable secondary parameters