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Ocul Immunol Inflamm. 2016;24(2):217-22. doi: 10.3109/09273948.2014.1001518. Epub 2015 Mar 11.

Microbiologic Examination of Bandage Contact Lenses Used after Corneal Collagen Cross-linking Treatment.

Author information

1
a Department of Ophthalmology , Gazi University, School of Medicine , Ankara , Turkey and.
2
b Department of Medical Microbiology , Gazi University, School of Medicine , Ankara , Turkey.

Abstract

PURPOSE:

To investigate the agents of bacterial contamination of contact lenses after corneal collagen cross-linking (CCL), and to present the possible changes of ocular flora after riboflavin/ultraviolet A.

METHODS:

Seventy-two contact lenses of patients who underwent CCL and 41 contact lenses of patients who underwent photorefractive keratectomy (PRK) as control group were enrolled to the study. After 48 h of incubation, broth culture media was transferred to plates. Samples were accepted as positive if one or more colony-forming units were shown.

RESULTS:

There were positive cultures in 12 (16.7%) contact lenses in the CCL group and 5 (12.2%) had positive cultures in PRK group. Coagulase-negative staphlycocci (CNS) were the most frequent microorganism. Alpha hemolytic streptococci and Diphteroid spp. were the other isolated microorganisms.

CONCLUSIONS:

Bacterial colonization can occur during and early after the CCL procedure in epithelial healing. To prevent corneal infections after the treatment, prophylactic antibiotics should be prescribed.

KEYWORDS:

Bacterial contamination; contact lens; corneal collagen cross-linking; keratoconus; photorefractive keratotomy

PMID:
25760913
DOI:
10.3109/09273948.2014.1001518
[Indexed for MEDLINE]

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