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1.59 Polycarbonate HMC Optical lenses
General resin lenses are thermal solid materials, that is, the raw materials are liquid, and solid lenses are formed after heating. PC lenses, also known as “space lenses”, “cosmic lenses”, chemically called polycarbonate, is a thermoplastic material.
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1.56 Bifocal Flat top / Round Top / Blended HMC optical lenses
Bifocals Lenses are spectacle lenses that contain both correction zones and are primarily used for presbyopia correction. The area where bifocals correct far vision is called far vision area, and the area that corrects near vision area is called near vision area and reading area. Usually, the far area is larger, so it is also called the main slice, and the near area is smaller, called the sub slice.
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1.56 Porgressive HMC optical lenses
Progressive lens is a multi-focal length lens, different from traditional reading glasses and bifocal reading glasses. Progressive lenses do not have the fatigue of eyeballs having to constantly adjust the focal length when using bifocal lengths, and there is no obvious line between the two focal lengths. demarcation line. It is comfortable to wear and has a beautiful appearance, and has gradually become the best choice for people with presbyopia.
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1.56 FSV Blue Block HMC Blue Coating Optical lenses
Blue Block Lens, we also call it Blue Cut Lens or UV420 Lens.And it has two kinds different blue block lens, one is material blue block lens, this kind is block the blue light by material;another one is adding a blue block coating to block the blue light.Most customers choose material blue block lens, because it’s cheaper and easy to check its block function, just need a blue light pen is enough.
