Spectacle lens
AssigneeHoya Lens Thailand Ltd.
InventorsHua QI, Takako ISHIZAKI, Shigetoshi KONO
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AssigneeHoya Lens Thailand Ltd.
InventorsHua QI, Takako ISHIZAKI, Shigetoshi KONO
Estimating the term…
Provided is an eyeglass lens 1 configured to cause rays that have entered from an object-side surface 3 to be emitted from an eyeball-side surface 4, and cause the emitted rays to converge at a predetermined position A. The eyeglass lens 1 includes a lens base material 2 having a plurality of base material convex portions 6 on at least one of the object-side surface 3 and the eyeball-side surface 4, and a coating film covering the surface provided with the base material convex portions 6. The shape of convex portions present on the outermost surface of the eyeglass lens located on a side on which the base material convex portions 6 are provided is an approximate shape of the base material convex portions configured to cause rays that have entered the eyeglass lens 1 to converge at a position B that is closer to the object than the predetermined position A is.
An eyeglass lens configured to cause rays from a point source at infinity that enter the eyeglass lens at an object side of the eyeglass lens to exit the eyeglass lens from an eyeball side of the eyeglass lens and converge at a predetermined position A, the eyeglass lens comprising:
Dependencies are inferred from the claim text.