Manufacturing method of composite Fresnel spectacle lens
The invention relates to a manufacturing method of a composite Fresnel spectacle lens. The method comprises the following steps of: 1, manufacturing a mold by using a Fresnel lens design method, wherein the mold A is a high-precision diopter lens mold of each spherical lens; the mold B is a high-pre...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a manufacturing method of a composite Fresnel spectacle lens. The method comprises the following steps of: 1, manufacturing a mold by using a Fresnel lens design method, wherein the mold A is a high-precision diopter lens mold of each spherical lens; the mold B is a high-precision lens mold for each cylindrical lens diopter; the mold C is a high-precision zero-diopter lensmold; 2, selecting a mold according to a prescription to manufacture a lens; 3, hardening, coating, antireflection and antireflection are carried out on the lens; 4, overlapping the lens texture surfaces of each eye inwards, enabling the smooth surfaces to face outwards, fixing by a clamp, and performing center positioning; 5, edging, namely cleaning and air-drying the edged lens; and 6, pairingthe lenses, sealing and curing to finish the manufacturing of the composite Fresnel spectacle lens. According to the invention, the composite Fresnel spectacle lens is manufactured by adopting the Fresnel lens, and the manufac |
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