The present invention as bifocals, to provide Kodama lens for stacking a lens having a hyperopic correction area in single-focus lenses for myopia correction. By stacked on A single vision spectacle lens L for myopia correction, take stacking area Toru on the surface or the back of Kodama lens body 2 which has a curvature to the preparation of the front and back surfaces so that the hyperopic correction area The adhesive layer 3 having an optical property is provided by the adhesive layer 3, by forming a detachable object plane O or pairs ocular surface of the spectacle lens L, and when hand work is adhered to Kodama lens 1 to the spectacle lens L product weight Te, to ensure the hand close to the view, also when driving a car, when the stairs down, when you do not have to pay attention to the far and intermediate distances, such as during outdoor walking, remove the Kodama lens 1, is widely It will ensure a clear field of vision. .BACKGROUND 2
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