
Wearers of these thin-type bifocal lenses can enjoy near- and far-range vision integrated in a single package

In terms of appearance, the B-25(BFC25) is more stylish. In contrast to the B-25(BFC25), the B-28(BFC28) offers a wider field of near-range vision.
Type | Thin bifocal lenses |
Category | Bifocal lenses |
Material | High index plastic (PL1.60) |
UV protection | Standard specifications (new and improved UV protection) |
Coating | |
Refractive index | 1.60 |
Abbe number | 42 |
Specific gravity | 1.30g/c.c. |
Transmittance | 99% |
Design | ‐ |
Color | Can accommodate a range of different colors. For more information, inquire with a shop. |
Balancing thickness of lens in a pair of glasses | |
Thinning plus lenses | |
Thinning minus lenses | |
Special processing | |
Categories for luminous transmittance | Clear spectacle lenses |
Driving | Appropriate |
Driving at night | Appropriate |