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  • Title: Clinical presentation and morbidity of contact lens-associated microbial keratitis: a retrospective study.
    Author: Hoddenbach JG, Boekhoorn SS, Wubbels R, Vreugdenhil W, Van Rooij J, Geerards AJ.
    Journal: Graefes Arch Clin Exp Ophthalmol; 2014 Feb; 252(2):299-306. PubMed ID: 24281783.
    Abstract:
    PURPOSE: To investigate the clinical presentation, isolated organism, treatment, and morbidity of contact lens-associated microbial keratitis needing hospitalization. METHODS: This retrospective study included all consecutive patients with contact lens-associated microbial keratitis hospitalized in the Rotterdam Eye Hospital from January 1, 2005, to December 31, 2009. All data regarding epidemiological characteristics, clinical presentation, isolated organism, and treatment were collected from medical records. RESULTS: There were 109 cases (108 patients) of contact lens-associated microbial keratitis hospitalized during the study period. Mean age was 33.3 ± 15.4 (SD) years. Pseudomonas aeruginosa was the most frequently isolated microorganism (68.8 %), with minor resistance to gentamicin (2.7 %) and ofloxacin (1.3 %). At time of presentation, best corrected visual acuity (BCVA) was very poor, with the largest proportion of patients (65.1 %) seeing worse than 0.05 Snellen. After intensive treatment, the visual outcome improved considerably, with the largest proportion (67.0 %) achieving a BCVA ≥ 0.7 Snellen. Low BCVA at admission was significantly associated with a worse final BCVA. A total of 22 patients (20.2 %) required corneal transplantation (three emergency cases). Larger size of stromal infiltrate was significantly associated with the need for corneal transplantation. CONCLUSION: Microbial keratitis is a serious complication of contact lens wear, with approximately one out of five hospitalized cases requiring corneal transplantation. Ofloxacin, or a combination of gentamicin and cephazolin, still appear to be excellent first-choice therapies in the Netherlands, as little resistance has developed to these antibiotics.
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