A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/16 (2006.01)
Patent
CA 2754774
A lens for placement in a human eye, such as intraocular lens, has at least some of its optical properties formed with a laser. The laser forms modified loci in the lens when the modified loci have a different refractive index than the refractive index of the material before modification. Different patterns of modified loci can provide selected dioptic power, toric adjustment, and/or aspheric adjustment provided. Preferably both the anterior and posterior surfaces of the lens are planar for ease of placement in the human eye.
Pour une lentille à monter dans un il humain, par exemple une lentille intraoculaire, une partie au moins des propriétés sont obtenues par laser. Le laser forme dans la lentille des sites modifiés lorsque lesdits sites ont un indice de réfraction différent de celui de matériau avant modification. Des schémas différents de sites modifiées permettent d'obtenir une puissance di-optique donnée, un réglage torique et ou un ajustement asphérique. Les deux surfaces antérieure et postérieure sont de préférence planes, ce qui facilite la mise en place de la lentille dans l'il humain.
Aaren Scientific Inc.
Ridout & Maybee Llp
LandOfFree
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