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Staphylococcus aureus ulcer associated with continuous wear of silicone hydrogel contact lenses.
Eye Contact Lens. 2006 Mar; 32(2):72-4.EC

Abstract

PURPOSE

To report a case of culture-positive Staphylococcus aureus keratitis associated with continuous wear of lotrafilcon A lenses.

METHODS

The case report of a patient who developed microbial keratitis while wearing lotrafilcon A contact lenses is presented.

RESULTS

A 41-year-old white man had worn polymacon contact lenses successfully for at least 10 years. He habitually replaced the lenses every 1 to 2 years and frequently wore them continuously for up to 3 months. He was refitted with silicone hydrogel lenses and was advised to remove and replace the lenses monthly. Approximately 18 months later, he developed a midperipheral, culture-positive S. aureus ulcer in his right eye. He was treated with fortified cefazolin and gentamicin for 2 weeks, followed by ciprofloxacin for 2 weeks. The ulcer resolved completely. The patient's final visual acuity was 20/20 in the affected eye.

CONCLUSIONS

The increased oxygen permeability of silicone hydrogel contact lens materials may reduce the risk of hypoxic complications of continuous contact lens wear. As this case shows, however, even patients who have continuously worn lenses with very low oxygen permeability without incident can develop microbial keratitis when wearing silicone hydrogel lenses. Contact lens practitioners should inform patients of the potential risks of continuous wear and of factors that may increase those risks.

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Authors+Show Affiliations

Schornack MM
Department of Ophthalmology, Mayo Clinic, Rochester, MN 55905, USA. schornack.muriel@mayo.edu
Peterson D
No affiliation info available

MeSH

AdultAnti-Bacterial AgentsCefazolinCiprofloxacinContact Lenses, Extended-WearCorneal UlcerDrug Therapy, CombinationEye Infections, BacterialGentamicinsHumansHydrogelsMaleProsthesis-Related InfectionsSiliconesStaphylococcal InfectionsStaphylococcus aureus

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

16538126

Citation

Schornack, Muriel M., and Daniel Peterson. "Staphylococcus Aureus Ulcer Associated With Continuous Wear of Silicone Hydrogel Contact Lenses." Eye & Contact Lens, vol. 32, no. 2, 2006, pp. 72-4.
Schornack MM, Peterson D. Staphylococcus aureus ulcer associated with continuous wear of silicone hydrogel contact lenses. Eye Contact Lens. 2006;32(2):72-4.
Schornack, M. M., & Peterson, D. (2006). Staphylococcus aureus ulcer associated with continuous wear of silicone hydrogel contact lenses. Eye & Contact Lens, 32(2), 72-4.
Schornack MM, Peterson D. Staphylococcus Aureus Ulcer Associated With Continuous Wear of Silicone Hydrogel Contact Lenses. Eye Contact Lens. 2006;32(2):72-4. PubMed PMID: 16538126.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Staphylococcus aureus ulcer associated with continuous wear of silicone hydrogel contact lenses. AU - Schornack,Muriel M, AU - Peterson,Daniel, PY - 2006/3/16/pubmed PY - 2006/4/21/medline PY - 2006/3/16/entrez SP - 72 EP - 4 JF - Eye & contact lens JO - Eye Contact Lens VL - 32 IS - 2 N2 - PURPOSE: To report a case of culture-positive Staphylococcus aureus keratitis associated with continuous wear of lotrafilcon A lenses. METHODS: The case report of a patient who developed microbial keratitis while wearing lotrafilcon A contact lenses is presented. RESULTS: A 41-year-old white man had worn polymacon contact lenses successfully for at least 10 years. He habitually replaced the lenses every 1 to 2 years and frequently wore them continuously for up to 3 months. He was refitted with silicone hydrogel lenses and was advised to remove and replace the lenses monthly. Approximately 18 months later, he developed a midperipheral, culture-positive S. aureus ulcer in his right eye. He was treated with fortified cefazolin and gentamicin for 2 weeks, followed by ciprofloxacin for 2 weeks. The ulcer resolved completely. The patient's final visual acuity was 20/20 in the affected eye. CONCLUSIONS: The increased oxygen permeability of silicone hydrogel contact lens materials may reduce the risk of hypoxic complications of continuous contact lens wear. As this case shows, however, even patients who have continuously worn lenses with very low oxygen permeability without incident can develop microbial keratitis when wearing silicone hydrogel lenses. Contact lens practitioners should inform patients of the potential risks of continuous wear and of factors that may increase those risks. SN - 1542-2321 UR - https://www.unboundmedicine.com/medline/citation/16538126/Staphylococcus_aureus_ulcer_associated_with_continuous_wear_of_silicone_hydrogel_contact_lenses_ L2 - https://doi.org/10.1097/01.icl.0000174754.45463.84 DB - PRIME DP - Unbound Medicine ER -