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    • 4. 发明申请
    • SPECTACLE LENS AND METHOD FOR MANUFACTURING SAME
    • US20220244567A1
    • 2022-08-04
    • US17621985
    • 2020-09-01
    • HOYA LENS THAILAND LTD.
    • Hua QITakako ISHIZAKIKeigo HASEGAWA
    • G02C7/02G02B1/14
    • Provided are a spectacle lens and a technique associated therewith, the spectacle lens including: an object-side surface and an eyeball-side surface; a first refractive region having a first refractive power based on a prescription for correcting a refractive error of an eye; and a second refractive region having a refractive power different from the first refractive power, the second refractive region having a function of forming a focal point at a position other than a retina of the eye so as to suppress progression of the refractive error of the eye, wherein an interface portion is disposed inside the spectacle lens, the interface portion includes a base portion, and convex portions protruding from the base portion, or concave portions recessed from the base portion, the function of the second refractive region is exerted by using mutually different respective refractive indexes of two types of members sandwiching the interface portion therebetween, and the convex portions or the concave portions, and an outermost surface portion of the spectacle lens that corresponds to the convex portions or the concave portions is smooth.