Innovative minus power lens and processing methods thereof
OwnerGiuseppe Rosciniinventor
Life of this patent
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Abstract
Innovative ophthalmic lens for nearsightedness, manufactured as a finished or semi-finished lens, lighter and thinner at the edges, with a wide visual field and cosmetically attractive, featuring a spherical centre and an aspherical periphery, both asymmetrical to the lens optical centre and varying in width. Description of the manufacturing process of the above lens based on non industrial or CNC processing methods and moulding and injection moulding techniques.
Claims11
A single-vision or multifocal eyeglass lens for medium-high to very high nearsightedness comprising a lens body of a transparent material, said lens body having an optical center having a central asymmetric optical spherical correction area with a constant power thereof surrounding said optical center and a peripheral asymmetric aspheric optical correction area with varying decreasing power surrounding said central area, said lens body having both optical correction areas asymmetric to the optical center that coincides with a geometrical center of the lens body and varying in width according to the power and the diameter of the lens.
Dependencies are inferred from the claim text.