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Klaus Schindhelm

Researcher at Ciba Specialty Chemicals

Publications -  5
Citations -  831

Klaus Schindhelm is an academic researcher from Ciba Specialty Chemicals. The author has contributed to research in topics: Oxygen permeability & Lens (anatomy). The author has an hindex of 5, co-authored 5 publications receiving 827 citations. Previous affiliations of Klaus Schindhelm include Commonwealth Scientific and Industrial Research Organisation.

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Patent

Extended Wear Ophthalmic Lens

TL;DR: In this paper, 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 is presented.
Journal ArticleDOI

Oxygen permeability of a new type of high Dk soft contact lens material.

TL;DR: The oxygen permeability (DK) and transmissibility (Dk/t) of lotrafilcon A lenses were determined by an adaptation of the standard coulometric method to prevent overnight lens-induced corneal swelling and places it in the hyper-permeable material category.
Patent

Polyurethane or polyurethane-urea elastomeric compositions

TL;DR: A polyurethane elastomeric composition is a reaction product of a soft segment macrodiol which is either: (i) a homopolymer represented by formula (I): HO-[(CH2)nO]m-H, wherein n represents an integer greater than 5 and less than 13, m is a number such that the number average molecular weight of the compound of formula(I) falls in the range from 218 to 5000 as mentioned in this paper.
Patent

Methods of using and screening extended wear ophthalmic lenses

TL;DR: An ophthalmic lens screening method suited for extended-wear for periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort is presented in this article.