Autor: |
Buffington, J. R., Simmons, R. B., Wilson, L. A., Ahearn, D. G. |
Zdroj: |
Journal of Industrial Microbiology and Biotechnology; February 1988, Vol. 3 Issue: 1 p29-32, 4p |
Abstrakt: |
Summary Two chemically distinct types of hydrogel lenses, vifilcon A and bufilcon A, each with a water content of 55%, were challenged in a balanced salts solution withAspergillus fumigatus, Cladosporium cladosporioides, Curvularia lunata andFusarium solani. The lenses were cleaned, disinfected and stained after varying periods of incubation and examined with light microscopy and scanning electron microscopy. For three of the four fungi, the bufilcon A lens was more susceptible to fungal attack than the vifilcon A lens.Curv. lunata produced the greatest number of penetration pegs within 72 h for both lens types. Etching of lens surfaces was observed withC. cladosporioides. In general, the susceptibility of a hydrogel lens to penetration with a fungus appeared to vary with the species of fungus and the chemical composition of the lens. |
Databáze: |
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