Method of manufacturing spectacle lenses

Details Method of manufacturing spectacle lenses Method of manufacturing spectacle lenses

G - Physics

02

C

G02C 7/06 (2006.01) G02C 7/02 (2006.01)

Patent

CA 2332237

The present invention provides methods for producing a full prescriptive range of spectacle lenses while minimizing the number of the optical preforms, molds, or both required to produce the lenses. The method of the invention uses the distribution of the lenses distance power between an added layer or layers and an optical preform to reduce the number of preforms, molds, or both required in the lens production.

La présente invention se rapporte à des procédés de production de toute une gamme de prescriptions de verres de lunettes, qui visent à minimiser le nombre de moules et/ou de préformes optiques nécessaires à la production des verres. Le procédé de l'invention met en oeuvre une répartition de la puissance des verres pour la vision de loin entre une ou plusieurs couches ajoutées et une préforme optique pour réduire le nombre de préformes et/ou de moules nécessaires à la production des verres.

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