[논문]The role of domestic tap water in Acanthamoeba contamination in contact lens storage cases in Korea

JEONG Hae Jin; YU Hak Sun

doi:10.3347/kjp.2005.43.2.47

The role of domestic tap water in Acanthamoeba contamination in contact lens storage cases in Korea 원문보기

The Korean journal of parasitology, v.43 no.2 = no.134, 2005년, pp.47 - 50

JEONG Hae Jin (Department of Parasitology, College of Medicine Pusan National University) , YU Hak Sun (Department of Parasitology, College of Medicine Pusan National University)

Abstract ▼ AI-Helper

A survey was carried out from August to December 2004 in Pusan, Korea to document the presence of free-living amoeba (FLA), including the genus Acanthamoeba, in both contact lens storage cases and domestic tap water. Acanthamoeba was isolated from $5(4.2\%)$ in 120 contact lens storage cases. Four house tap water samples from residents, whose contact lens storage cases had been contaminated by Acanthamoeba, were also found to be contaminated with Acanthamoeba. Therefore, the contamination rate of FLA and Acanthamoeba in domestic tap water was investigated in order to examine the role of domestic tap water in Acanthamoeba contamination of contact lens storage cases. FLA and Acanthamoeba were identified in $97(46.8\%)\;and\;16(7.7\%)$ of the 207 domestic tap water samples, respectively. There were no significant differences between the contamination rates of FLA in tap water according to the filtration plant of origin. No FLA was detected in the tap water directly supplied by the water purification plants. Water storage tanks appear to promote FLA colonization, including Acanthamoeba, in domestic tap water. This increases the risk of Acanthamoeba contamination in contact lens storage cases as well as increasing the risk of Acanthamoeba keratitis.

주제어

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문제 정의

Prior to this report, there was no study on the source of Acanthamoeba contamination in contact lens storage cases in Korea. This study investigated the prevalence of Acanthamoeba in contact lens storage cases and domestic tap water in the Pusan province in an attempt to explain the source of Acanthamoeba cont-amination in contact lens storage cases in Korea.
There have been significant improvements in contact lens care systems. This study investigat ed the possible role of domestic tap water as a reservoir for Acanthamoeba contamination in contact lens storage cases.

가설 설정

a) This water do not pass though in storage tank.

대상 데이터

A total of 207 domestic tap water samples were collected from the resident student houses in the Pusan province from August to December 2004. Six water samples were colleted from 3 water purification plants (Duksanz Hwamyoung, Myoungjang), which supplied tap water to the survey area, at each filtration step.
In this study, Acanthamoeba was isolated from 5 (4.2%) in 120 contact lens storage cases, and four house tap water samples from residents, whose con tact lens storage cases had been contaminated with Acanthamoeba, were also polluted with this organism.
In this study, Acanthamoeba was isolated from 5 (4.2%) in 120 contact lens storage cases. The contamination rates were lower than those reported in other provinces in Korea (Lee et al.
A total of 207 domestic tap water samples were collected from the resident student houses in the Pusan province from August to December 2004. Six water samples were colleted from 3 water purification plants (Duksanz Hwamyoung, Myoungjang), which supplied tap water to the survey area, at each filtration step.

성능/효과

In conclusion, domestic tap water, especially when supplied from roof storage tanks, is a source of Acanthamoeba contamination. Contact lens wearers should be aware of the risks associated with Acanthamoeba in tap water supplied from water stor age tanks.

참고문헌 (18)

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DOI : 10.3347/kjp.2005.43.2.47 [무료]
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