PMID: 2488018Jan 1, 1989Paper

Modelling cortical cataractogenesis. X. Evaluation of lens optical function by computer based image analysis using in vitro rat lens elevated glucose model

Lens and Eye Toxicity Research
K P MittonJ G Sivak

Abstract

As a model system rat lenses (Wistar) were isolated and cultured intact in medium M199 or M199 with 55 mM glucose. Glucose-stressed lenses developed opacities within 20 hours while control lenses remained clear. The comparative functionality of lenses was examined by two different video/computer-based imaging systems: one based on image analyses of laser light after transmission through the lens (Scanning Lens Monitor), and the other based on image analyses of the projection of white light transmitted through the lens (Kevex Image Analysis System). The combination of both methods detect changes in focal length and light scattering. On the basis of these results, these techniques can be used in animal studies for grading lenses by functional properties to complement morphologically based grading (slit-lamp) of cataracts provided by a veterinary pathologist.

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