Bz Optics Pho Photochromic Bi-focal Replacement Lenses

Description

Replacement Photochromic Bi-Focal lenses for BZ Optics PHO Glasses
Lens will change from Cat1 light grey pre-dawn or low light to a dark grey Cat3 as the sun intensifies and the UV increases. Polarisation cuts glare especially on the water.
Lenscorrection categories: +1.5 +2.0 +2.5