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KMID : 0360220170580050509
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Journal of the Korean Ophthalmological Society
2017 Volume.58 No. 5 p.509 ~ p.515
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Amoebicidal Effect of Nephrite-containing Contact Lens Storage Case
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Jung Jae-Woo
Lee Jong-Heon
Park Sung-Hee
Yu Hak-Sun
Kim Yoon-Kyung
Lee Ji-Eun
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Abstract
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Purpose: To compare the amoebicidal effects of nephrite containing contact lens (CL) storage cases with conventional CL storage cases.
Methods: Acanthamoeba lugdunensis were inoculated onto 5% nephrite containing CL storage cases as well as conventional CL storage cases both with and without silicone hydrogel contact lenses (SHCLs). Then the amount of Acanthamoeba proliferation on CL storage cases and the number of adherent Acanthamoeba on SHCLs were determined and compared. The effects of multipurpose solution (MPS) with and without 1% or 5% nephrite solution on Acanthamoeba adhesion were analyzed.
Results: Nephrite containing CL storage cases showed more inhibitory effects on Acanthamoeba proliferation (p = 0.02) and significantly reduced the number of adherent Acanthamoeba on SHCLs compared with conventional CL storage cases, regardless of SHCLs generation (p = 0.001, p = 0.001 and p < 0.001, respectively). The number of adherent Acanthamoeba on the first generation of SHCLs was significantly reduced by MPS with 1% and 5% nephrite solutions (p = 0.03 and p = 0.004, respectively), but the numbers for the second and third generation SHCLs were not.
Conclusions: Nephrite could be used as a new additive component for CL storage cases and multipurpose solutions to improve the disinfection effects on Acanthamoeba.
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KEYWORD
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Acanthamoeba, Contact lens storage case, Multipurpose solution, Nephrite
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