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KMID : 1011420150200010035
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Journal of Korean Ophthalmic Optics Society
2015 Volume.20 No. 1 p.35 ~ p.42
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Comparisons of Adherence Level of Micro-organisms According to Contact Lens Materials and Protein Deposition and Disinfection Efficacy of Multipurpose Solution
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성형경:Sung Hyung-Kyung
김소라:Kim So-Ra/박미정:Park Mi-Jung
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Abstract
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Purpose: The present study was aimed to compare the difference in adherence level of microorganisms according to contact lens materials and protein deposition and to evaluate disinfection efficacy of multipurpose solution.
Methods: The evaluations of micro-organisms' adherence and disinfection efficacy of multi-purpose solution were conducted by employing the Part 2. Regimen Procedure for Disinfecting Regiments in the Disinfection Efficacy Testing under the “FDA Evaluation Criteria & Method”.
Results: Pseudomonas aeruginosa, Serratia marcescens, Candida albicans except Staphylococcus aureus adhered more on etafilcon A lens and disinfection efficacy of total 4 products investigated was almost perfect except Candida albicans. The 3 micro-organisms except Serratia marcescens adhered more to albumin-predeposited lens. Disinfection efficacy of multi-purpose solution was higher against the micro-organisms adhered to albumin-deposited lens than against the microorganisms adhered to the lysozyme-deposited lens. Furthermore, disinfection efficacy of multi-purpose solution
was different according to types of micro-organisms.
Conclusions: It was revealed that the type of microorganisms, the lens materials and type of absorbed tear protein affected the amount of adhered micro-organisms to contact lens and that adhesion of tear protein could induce the change of disinfection efficacy of multi-purpose solution. It suggest that the hygienic condition of contact lens can vary by these factors influencing on disinfection efficacy and the occurrence of adverse effect can be affected.
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KEYWORD
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Contact Lens Materials, Tear Protein, Multi-purpose Solution, Disinfection, Staphylococcus aureus, Pseudomonas aeruginosa, Serratia marcescens, Candida albicans
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