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1.56 Bifocal Round Top Photochromic Gray HMC Optical lenses
The bifocal glasses are mainly suitable for the elderly to use, and can achieve near and far vision. When people get old, their eyesight will decline and their eyes will become senile. And bifocal glasses can help the elderly to see far and see near.
The dual lens is also called bifocal lens, which mainly includes flat top lens, round top lens and invisible lens.
The lenses of bifocal glasses are required to include hyperopia diopter, myopia diopter or downlight. Distant pupillary distance, near pupillary distance.
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1.56 Bifocal Flat Top Photochromic Gray HMC Optical lenses
With the demands of modern life, the role of color-changing glasses is not only to protect the eyes, it is also a work of art. A pair of high-quality color-changing glasses, with appropriate clothing, can foil a person’s extraordinary temperament. Color-changing glasses can change according to the intensity of ultraviolet light and make its color change, the original transparent colorless lens, encounter strong light irradiation, will become colored lenses, to do protection, so suitable for indoor and outdoor use at the same time.
