Aspherical contact lens for the correction of prebyopia

Details Aspherical contact lens for the correction of prebyopia Aspherical contact lens for the correction of prebyopia

G - Physics

02

C

88/40

G02C 7/04 (2006.01)

Patent

CA 1330267

PRECIS DE LA DIVULGATION: Il s'agit d'une lentille de contact dont la face arrière, par exemple, est sphérique, tandis que sa face avant est asphérique. Suivant l'invention, la caustique de la surface d'onde qui émerge de cette lentille de contact comporte deux pointes, l'une paraxiale, l'autre marginale. Application à la correction de la presbytie.

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