Bacterial contamination in soft contact lens wearers. 1995

C Lipener, and F R Nagoya, and F J Zamboni, and R Lewinski, and S Kwitko, and R Uras
Contact Lens Service, Department of Ophthalmology, Escola Paulista de Medicina, São Paulo, Brazil.

We prospectively analyzed bacterial contamination in 15 soft contact lens wearing subjects. Contact lenses, cases, tips of saline solution bottles, and conjunctiva were cultured. Cultures were positive for 13 subjects (86.6%). Contamination was present in 13 contact lens cases (86.6%), 12 contact lenses (80.0%), nine saline solution bottles (60.0%), and in the conjunctiva of three patients (20.0%). Gram-negative bacteria (Pseudomonas aeruginosa and Proteus mirabilis) were the most frequently isolated organisms. Staphylococcus aureus was the only gram-positive organism isolated. We discuss the possible sources of contamination, and emphasize the importance of contact lens care instruction.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D003228 Conjunctiva The mucous membrane that covers the posterior surface of the eyelids and the anterior pericorneal surface of the eyeball. Bulbar Conjunctiva,Palpebral Conjunctiva,Plica Semilunaris of Conjunctiva,Plicae Semilunares of Conjunctiva,Tunica Conjunctiva,Conjunctiva, Bulbar,Conjunctiva, Palpebral,Conjunctivas
D003263 Contact Lenses, Hydrophilic Soft, supple contact lenses made of plastic polymers which interact readily with water molecules. Many types are available, including continuous and extended-wear versions, which are gas-permeable and easily sterilized. Lenses, Contact, Hydrophilic,Soft Contact Lenses,Hydrophilic Contact Lens,Soft Contact Lens,Contact Lens, Hydrophilic,Contact Lens, Soft,Contact Lenses, Soft,Hydrophilic Contact Lenses,Lens, Hydrophilic Contact,Lens, Soft Contact,Lenses, Hydrophilic Contact,Lenses, Soft Contact
D004866 Equipment Contamination The presence of an infectious agent on instruments, prostheses, or other inanimate articles. Contamination, Equipment,Contaminations, Equipment,Equipment Contaminations
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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