1.523 Flat-top Bifocal Lens (1.523 Flat-top Bifocal Lens)
Category: Lenses (Contact Lenses, Eyeglass Lenses, UV Lenses, etc.)
1) Material: Mineral ( Round shape bifocal lenses)
2) Refraction Index Nd= 1.523
3) Abbe Value: 58
4) Diameter: 60,65,70 mm
5) Coating: WHITE, HMC+EMI are available
1) Material: Mi ...