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1. WO1989007303 - IMPROVED CONTACT LENS DESIGN

Publication Number WO/1989/007303
Publication Date 10.08.1989
International Application No. PCT/AU1989/000044
International Filing Date 03.02.1989
Chapter 2 Demand Filed 18.09.1989
IPC
G02C 7/04 2006.01
GPHYSICS
02OPTICS
CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
7Optical parts
02Lenses; Lens systems
04Contact lenses for the eyes
CPC
G02C 7/04
GPHYSICS
02OPTICS
CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
7Optical parts
02Lenses; Lens systems ; ; Methods of designing lenses
04Contact lenses for the eyes
G02C 7/048
GPHYSICS
02OPTICS
CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
7Optical parts
02Lenses; Lens systems ; ; Methods of designing lenses
04Contact lenses for the eyes
048Means for stabilising the orientation of lenses in the eye
Applicants
  • NEWMAN, Steve [AU]/[AU]
  • NOACK, Don [AU]/[AU]
Inventors
  • NEWMAN, Steve
  • NOACK, Don
Agents
  • ARTHUR S. CAVE & CO.
Priority Data
PI 656403.02.1988AU
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) IMPROVED CONTACT LENS DESIGN
(FR) AMELIORATIONS APPORTEES A LA CONFORMATION D'UNE LENTILLE DE CONTACT
Abstract
(EN)
A contact lens having its posterior only or posterior and anterior surface configured for astigmatic correction of the eye of a wearer and allowing an arbitrary amount of refractive correction of error in an eye of a wearer. The refractive error can be corrected by a proportionate distribution of design geometry between the anterior and/or posterior surface of the lens.
(FR)
La présente invention se rapporte à une lentille de contact dont la surface postérieure uniquement ou les surfaces et postérieure et antérieure sont configurées pour permettre une correction de l'astigmatisme de l'oeil de l'utilisateur et pour permettre un degré arbitraire de correction de l'erreur de réfraction dans un oeil de l'utilisateur. L'erreur de réfraction peut être corrigée par une répartition proportionnée de la géométrie de conformation entre les surfaces antérieure et/ou postérieure de la lentille.
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