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Microorganism Contamination from Wearing One-Day Disposable Contact Lenses According to Wearing Time  

Choi, Gang-Won (Department of Biology, Yeungnam university)
Jang, Woo-Yeong (Department of Ophthalmic optics, Daegu Health College)
Lee, Jong-Wook (Department of Biology, Yeungnam university)
Kim, Su-Jung (Department of Clinical Pathology, Daegu Health College)
Publication Information
Korean Journal of Microbiology / v.46, no.2, 2010 , pp. 152-156 More about this Journal
Abstract
Disposable contact lenses, which are one type of soft contact lenses, provide convenience in use, but also cause various ocular infectious diseases. Microorganisms that cause eye diseases include Acanthamoeba, bacteria, Fungi, and so on. It is impossible to prevent microorganism contamination completely due to the use of hands as wearing contact lenses. The contamination by various microorganisms leads to infectious keratitis, but it is not well known for the exact microorganisms that affect the disease. For this reason, to identify the microorganisms, two groups that are commonly used for disinfection of lenses were divided: normal saline solution and multiple purpose solution. Using these solutions the degree of microorganism contamination was observed according to the days of 1, 3, 5, 10, and 15. Twenty students by two groups from Ophthalmic Optics department at D college in Daegu Metropolitan city participated in the experiment after their ocular health conditions were checked. During they wore one-day disposable lenses for 1, 3, 5, 10, and 15 days, bacteria were cultured in media. The results, which were Gram stained by selecting the cultured colonies, show as followings: Gram positive cocci 33%, Gram-negative cocci 2%, Gram positive bacilli 34%, and the Gram negative bacilli 31%, respectively. As for the identification of potential pathogens, VITEK system and API kit methods were used. Keratitis caused by bacteria known as Staphylococcus aureus, Pseudomonas aeruginosa were detected as a result of wearing contact lenses. This study examined the distribution of bacteria as wearing one-day disposable contact lenses and pathogenic bacteria according to the duration of wearing them. In conclusion, the importance of hygiene when using contact lenses is suggested.
Keywords
microbial contamination; multi-purpose solution; normal saline; one-day disposable contact lens; P. aeruginosa;
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Times Cited By KSCI : 3  (Citation Analysis)
Times Cited By SCOPUS : 2
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1 Brewitt, H. 1997. Contact lenses. Infections and hygiene. Ophthalmologe 94, 311-316.   DOI   ScienceOn
2 Radford, C.F., D.C. Minassian, and J.K. Dart. 1998. Disposable contact lens use as a risk factor for microbial keratitis. Br. J. Ophthalmol. 82, 1272-1275.   DOI   ScienceOn
3 Sung, K.R., J.Y. Kim, J.C. Kim, T.W. Han, Y.H. Hahn, and H.W. Tchah. 1999. Change of conjunctival flora after disposable contact lens wear. Korean J. Ophthalmol. 40, 3286-3291.
4 Tchah, H.W., J.C. Kim, T.W. Hahn, and Y.H. Hahn. 1998. Epidemiology of contact lens related infectious keratitis (1995.4 -1997.9) : Multi-center study. J. Korean Ophthalmol. Soc. 39, 1417-1426.
5 http://www.opticnews.co.kr/news/articleView.html?idxno=10601. 2008. The Korean Optical News.
6 Dejaco-Ruhswurm, I., U. Scholz, G. Hanselmayer, and C. Skorpik. 2001. Contact lens induced keratitis associated with contact lens wear. Acta Ophthalmol. Scand. 79, 479-483.   DOI   ScienceOn
7 Erie, J.C., M.P. Nevitt, D.O. Hodge, and D.J. Ballard. 1993. Incidence of ulcerative keratitis in a defined population from 1950 through 1988. Arch Ophthalmol. 111, 1665-1671.   DOI
8 Han, S.H., S.M. Park., and T.S. Yu. 2005. Microbe pollution condition on soft contact lenses. J. Korean Oph. Opt. Soc. 10, 313-321.
9 Jang, S.S. and J.O. Kang. 1998. A case of septicemia caused by Moraxella lacunata. Korean J. Infect. Dis. 30, 586-590.
10 Kim, S.J. 2009. Identification and distribution of the pathogenic microorganisms isolated from Edible Ice in North area of Daegu, Korea. Kor. J. Microbiol. 45, 86-90.   과학기술학회마을
11 Kown, J.L. and J.S. Park. 2002. Comparison of automated systems for identification of Vibrio species. Kor. J. Microbiol. 38, 62-66.   과학기술학회마을
12 Choi, Y.K., T.W. Hahn, H.W. Tchah, and Y.H. Hahn. 1998. Microbial contamination of contact lens storage cases in contact lens-induced keratitis patients. J. Korean Ophthalmol. Soc. 39, 2917-2923.
13 Lee, G.J. 2003. Bacterial contamination of contact lens salines used by contact lens wearers. Kor. J. Vision Sci. 5, 53-65.
14 Lee, J.M., T.Y. Kim, and T.Y. Choi. 1998. Clinical analysis of 20 cases with Pseudomonas corneal ulcers in contact lens wearers. Korean J. Infect. Dis. 30, 185-189.
15 Park, Y.M., T.W. Hahn, S.H. Choi, J.S. Lee, and J.E. Lee. 2007. Acanthamoeba keratitis related to cosmetic contact lenses. J. Korean Ophthalmol. Soc. 48, 991-994.
16 Kang, J.Y., Hahn Y.H., and M.W. Chang. 1996. Development of keratitis by soft contact lenses contaminated with Candida albicans. J. Korean Ophthalmol. Soc. 37, 945-952.
17 Betty, A.F., F.S. Daniel, and S.W. Alice. 2007. Bailey and Scott's Diagnostic Microbiology. Mosby.