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Case report
Bilateral acute anterior uveitis and iris atrophy caused by moxifloxacin
  1. Benjamin Tsun Kiu Hui1,
  2. Nicholas Capewell1,
  3. Yousuf Ansari1 and
  4. Xiaoxuan Liu1,2,3
  1. 1Department of Ophthalmology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
  2. 2Academic Unit of Ophthalmology, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
  3. 3Moorfields Eye Hospital NHS Foundation Trust, London, UK
  1. Correspondence to Dr Xiaoxuan Liu; xiaoxuan.liu{at}


A 56-year-old paramedic was admitted to hospital and treated for severe pneumonia. Shortly after initiating antibiotic treatment (including moxifloxacin), he developed bilaterally painful eyes and was diagnosed with bilateral acute anterior uveitis (AAU). Three years later, he was referred to the ophthalmology clinic with bilateral iris transillumination suggesting iris atrophy and limited pupillary dilation, indicating iris sphincter muscle paralysis. AAU typically presents unilaterally. An onset of bilateral AAU is unusual and warrants investigation for underlying systemic cause. The fluoroquinolone moxifloxacin has been reported in a limited number of cases as a causative agent of bilateral AAU and iris atrophy. This case provides additional supporting evidence that moxifloxacin may cause degradation of collagen and iris muscle in the eye, as well as elsewhere in the body, such as in blood vessels. Additionally, we present novel anterior segment ocular imaging (using optical coherence tomography) demonstrating the ability to detect iris atrophy using non-invasive imaging.

  • iris
  • anterior chamber

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  • Contributors XL identified the patient case. BTKH contacted the patient and collated case details. XL and YA assisted in accessing patient details relevant to the case report. NC acquired ocular images and extraction for inclusion within case report. BTKH annotated and formatted images included in the case report. BTKH, XL and YA contributed to the literature search and concept writing of the case report. BH assembled the final case report draft. All authors contributed the review and editing of the final draft.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.