Semi Finished Lens
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SETO 1.60 Semi-Finished Photochromic Single Vision Lens
Photochromic lenses, often called transitions or reactolights, darken to a sunglasses tint when exposed to sunlight, or U/V ultraviolet, and return to a clear state when indoors, away from U/V light.Photochromic lenses are made of many lens materials including plastic, glass or polycarbonate. They are typically used as sunglasses that conveniently switch from a clear lens indoors, to a sunglasses depth tint when outdoors, and vice versa.Super Thin 1.6 index lenses can enhance the appearance by up to 20% in comparison with 1.50 index lenses and are ideal for full rim or semi-rimless frames.
Tags: 1.61 resin lens,1.61 semi-finished lens,1.61 photochromic lens
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SETO 1.60 Semi-Finished Blue Block Single Vision Lens
The blue cut lenses cut down the harmful UV rays completely along with a major portion of HEV blue light, protecting our eyes and the body from potential danger. These lenses offer sharper vision and reduce the symptoms of eyestrain that are caused by a prolonged computer exposure. Also, the contrast is improved when this special blue coating reduces screen brightness so that our eyes face minimum stress when exposed to blue light.
Tags: Blue blocker lenses, Anti-blue ray lenses, Blue cut glasses, 1.60 semi-finished lens
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SETO 1.67 Semi-Finished Single Vision Lens
The semi-finished lens is based on the patient’s prescription to create the most personalized RX lens of the original blank. Different prescription power in the requirement of different semi-finished lens type or base curve.The semi-finished lenses are produced in a casting process. Here, liquid monomers are first poured into moulds. Various substances are added to the monomers, e.g. initiators and UV absorbers. The initiator triggers a chemical reaction that leads to hardening or “curing” of the lens, while the UV absorber increases the UV absorption of the lenses and prevents yellowing.
Tags: 1.67 resin lens,1.67 semi-finished lens,1.67 single vision lens
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SETO 1.67 Semi-Finished Photochromic Single Vision Lens
Photochromic film lenses are available in nearly all lens materials and designs, including high indexes , bifocal and progressive. An added benefit of photochromic lenses is that they shield your eyes from 100 percent of the sun’s harmful UVA and UVB rays.Because a person’s lifetime exposure to sunlight and UV radiation has been associated with cataracts later in life, it’s a good idea to consider photochromic lenses for children’s eyewear as well as for eyeglasses for adults.
Tags: 1.67 resin lens,1.67 semi-finished lens,1.67 photochromic lens
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SETO 1.67 Semi-Finished Blue Block Single Vision Lens
Blue Cut Lenses is to block and protect your eyes from high energy blue light exposure. Blue cut lens effectively blocks 100% UV and 40% of the blue light, reduces the incidence of retinopathy and provides improved visual performance and eye protection, allowing wearers to enjoy the added benefit of clearer and sharper vision, without altering or distorting color perception.
Tags：1.67 high-index lens，1.67 blue cut lens，1.67 blue block lens
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SETO 1.74 Semi-Finished Single Vision Lens
Semi-finished lens is the raw blank used to produce the most individualized RX lens according to thepatient’s prescription. Different prescription powers request for different semi-finished lens types or base curves.
The semi-finished lenses are produced in a casting process. Here, liquid monomers are first poured into moulds. Various substances are added to the monomers, e.g. initiators and UV absorbers. The initiator triggers a chemical reaction that leads to hardening or “curing” of the lens, while the UV absorber increases the UV absorption of the lenses and prevents yellowing.Tags: 1.74 resin lens,1.74 semi-finished lens,1.74 single vision lens
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SETO 1.74 Semi-Finished Blue Block Single Vision Lens
Blue Cut Lenses is to block and protect your eyes from high energy blue light exposure. Blue cut lens effectively blocks 100% UV and 40% of the blue light, reduces the incidence of retinopathy and provides improved visual performance and eye protection, allowing wearers to enjoy the added benefit of clearer and sharper vision, without altering or distorting color perception.Semi-finished lens is the raw blank used to produce the most individualized RX lens according to thepatient’s prescription. Different prescription powers request for different semi-finished lens types or base curves.
Tags: Blue blocker lenses, Anti-blue ray lenses, Blue cut glasses, 1.74 semi-finished lens