Prescription Dive makes these very popular lenses using a 35mm wide bifocal segment.
The bifocal features minimal image jump at the bifocal distance script interface.
The lenses are laminated into the mask with the bifocal segment positioned to minimise image jump.
Bifocal lenses give the diver optimum near and distance correction for all diving activities and are highly recommended by Prescription Dive.
The bifocals lenses are made of crown glass and exhibit maximum abrasion resistance. Premium lens material is unavailable for this lens type at the current time.
D35 Bifocal Script Range:
+7.00 D sphere (sph) max -4.00 cylinder (cyl) on + script
-10.00 D (max sphere (sph) and cylinder (cyl) combined)
(No Hi-Index (1.8) option available)
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