1979British Journal of OphthalmologyOpen access

Some clinically observed phenomena in extended contact lens wear.

J.R. Larke, Nizar K. Hirji

Open full text 32 citations

Abstract

Two groups of volunteer subjects wearing extended-wear soft lenses were monitored over a period of 20 weeks. Of 6 factors measured only 1, corneal touch threshold, was found to show evidence of progressive change. However, a high incidence of lens surface deposits was encountered.

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Two groups of volunteer subjects wearing extended-wear soft lenses were monitored over a period of 20 weeks. Of 6 factors measured only 1, corneal touch threshold, was found to show evidence of progressive change. However, a high incidence of lens surface deposits was encountered.

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Available abstract

Two groups of volunteer subjects wearing extended-wear soft lenses were monitored over a period of 20 weeks. Of 6 factors measured only 1, corneal touch threshold, was found to show evidence of progressive change. However, a high incidence of lens surface deposits was encountered.

Key concepts: Medicine, Contact lens, Lens (geology), Ophthalmology, Volunteer, Optometry, Incidence (geometry), Optics

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