Ciba Vision Corporation

Eric Papspiliotopoulos

Arthur Ho

Dieter Lohmann

Lynn Cook Winterton

Qin Liu

Gordon Francis Meijs

Peter Chabrecek

Judy Smith Riffle

Angelika Maria Domschke

Paul Clement Nicolson

Bronwyn Glenice Laycock

Klaus H Schindhelm

Jens Hopken

Richard Carlton Baron

Wilson Leonard Terry, Jr

Deborah Sweeney

Jurgen Vogt

John Court

Hans Jorg Griesser

An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, with the ion or water permeability being sufficient to provide good on-eye movement, such that a good tear exchange occurs between the lens and the eye. A preferred lens is a copolymerization product of a oxyperm macromer and an ionoperm monomer. The invention encompasses extended wear contact lenses, which include a core having oxygen transmission and ion transmission pathways extending from the inner surface to the outer surface.

Extended wear ophthalmic lens

Growing community of inventors

Paddington, Australia

Eric Papspiliotopoulos