发明名称 |
METHOD FOR PROVIDING AN OPTICAL SYSTEM OF AN OPHTHALMIC SPECTACLE LENS AND METHOD FOR MANUFACTURING AN OPHTHALMIC SPECTACLE LENS |
摘要 |
<p>Method for providing an optical system (OS) of an ophthalmic spectacle lens according to wearer's prescription data and wearer's optical needs with the provision that a wearer's optical need is not related to prescription data, where said optical system (OS) is defined by at least a front and a back surfaces (S1, S2) and their relative position, comprising the steps of: a) providing a semi-finished lens blank (SB); b) providing contour data (CD); c) choosing at least one localized optical feature (LOFi) suitable for the wearer's needs; d) positioning the contour data (CD) wherein the semi-finished lens blank (SB) comprises: a first surface (SB1) having in each point a mean sphere value (SPHmean) and a cylinder value (CYL), a second unfinished surface, the first surface (SB1) comprising: a plurality of primary areas (Ai); border areas (Bi); and a secondary area.</p> |
申请公布号 |
EP2780759(A1) |
申请公布日期 |
2014.09.24 |
申请号 |
EP20120784630 |
申请日期 |
2012.11.16 |
申请人 |
ESSILOR INTERNATIONAL (COMPAGNIE GÉNÉRALE D'OPTIQUE) |
发明人 |
MURADORE, FABIEN;BROUTIN, GUILLAUME;COLAS, PAULINE;LAKHOUA, ASMA;REGO, CARLOS;MOINE, JÉRÔME |
分类号 |
G02C7/02;G02C7/06 |
主分类号 |
G02C7/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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