发明名称 |
Method for the determination of a progressive ophtalmic lens |
摘要 |
A method for the determination of a progressive ophthalmic lens for a given wearer comprises the stages of:
- determining the axial length (LA) of the wearer's eye,
- determining an ergorama associating a sight point with each direction of viewing under wearing conditions.
- determining power and resulting astigmatism defect targets for each direction of viewing under wearing conditions, the targets being a function of the axial length of the wearer's eye.
- calculating the power required on the lens for each direction of viewing by successive iterations in order to obtain the target power defect and the target resulting astigmatism.
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申请公布号 |
EP1837699(A1) |
申请公布日期 |
2007.09.26 |
申请号 |
EP20070290283 |
申请日期 |
2007.03.06 |
申请人 |
ESSILOR INTERNATIONAL COMPAGNIE GENERALE D'OPTIQUE |
发明人 |
BERTHEZENE, MARIE-ANNE;CARIMALO, CELINE;DE GAUDEMARIS, DIANE;GUILLOUX, CYRIL |
分类号 |
G02C7/02 |
主分类号 |
G02C7/02 |
代理机构 |
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地址 |
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