Efficacy of an ultraviolet light contact lensdisinfection unit against microbial pathogenic organisms

Walter Palmer, Peter Scanlon, Cliodna McNulty

Research output: Contribution to journalArticlepeer-review

Abstract

Microbial keratitis has been shown to be significantly associated with contact lens wear. The efficacy of a commercial 253.7nm ultraviolet (UT7) light/ultrasonic contact lens disinfection unit against Staphylococcus aureus, Pseudomonas aeruginosa, Serratia marcescens, Mieroeoccus luteus and Candida albicans was measured. The machine was found to reduce organism numbers, but the survivors were present at unacceptably high levels to give confidence in efficient disinfection.

Original languageEnglish
Pages (from-to)13-16
Number of pages4
JournalJournal of the British Contact Lens Association
Volume14
Issue number1
DOIs
Publication statusPublished - 1991

Keywords

  • Contact lenses
  • contamination
  • ultrasonication
  • UV light

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