Improved ophthalmic lens

Details Improved ophthalmic lens Improved ophthalmic lens

G - Physics

02

C

G02C 7/04 (2006.01) G02C 7/02 (2006.01) G02C 7/06 (2006.01)

Patent

CA 2306902

An ophthalmic lens element having a first surface and an atoroidal or generally aspheric second surface. The second surface is described by a symetric polynomial whose coefficients have been chosen to minimise a merit function constructed of the sum of a particular optical aberration over substantially the entire surface thereof.

Verre correcteur présentant une première surface et une seconde surface atoroïdale ou généralement asphérique. La seconde surface est décrite par un polynôme symétrique dont les coefficients ont été choisis de façon à minimiser une fonction d'évaluation constituée de la somme d'une aberration optique particulière sur sensiblement sa surface totale.

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