Devices

Eyeglass lenses for photochromic correction from polymeric material: single-focal, bifocal, stigmatic, astigmatic, aspherical, afocal (see Appendix on 8 sheets)

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Eyeglass lenses for photochromic correction from polymeric material: single-focal, bifocal, stigmatic, astigmatic, aspherical, afocal (see Appendix on 8 sheets)

Manufacturer

Zhenang Global Glassis Co., Ltd.