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Bifocals are eyeglass with two distinct optical powers, achieved as soon as only needs pays the eyeglasses then far and near dual purpose. It is big benefit for senior without change glass frequently. Hong Tai Polarized Bi-focal lenses with 100% UV protection and suitable for using in outdoors, especially for fishing and see the near or driving and reading map. This is the best far and near dual purpose sun lens.
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Dimension |
Base Curve |
Thickness |
Material |
Remark |
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78 x 55mm |
6C |
2.00mm |
PC & Nylon |
Decentered |
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85 x 55mm |
8C |
2.00mm |
PC & Nylon |
Decentered |
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9.5C |
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145 x 65mm |
7C |
2.00mm |
Nylon |
Mask |
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