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Case report
Acute macular neuroretinopathy (AMN) related to energy drink consumption
  1. Neha Gupta1,
  2. Sneha Padidam2 and
  3. Asheesh Tewari3
  1. 1 Department of Ophthalmology, Wayne State University School of Medicine, Detroit, Michigan, USA
  2. 2 Department of Ophthalmology, Kresge Eye Institute, Detroit, Michigan, USA
  3. 3 Michigan Retina Center, Dearborn, Michigan, USA
  1. Correspondence to Neha Gupta; ngupta{at}


This case identifies a newly found association between energy drinks and acute macular neuroretinopathy (AMN). Our patient, a 34-year-old woman with no significant ocular or previous medical history, presented with a 3-day history of decreased vision after consumption of multiple energy drinks. After near infrared and optical coherence tomography imaging, we were able to diagnose her with AMN. Our patient’s vision improved over a 2-month course with no intervention. Our case aims to emphasise the effect of caffeine on the retina, as well as encourage clinicians to consider energy drinks as a causative agent of AMN.

  • ophthalmology
  • retina

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  • Contributors NG, SP and AT contributed to the main discussion and analysis of the case and writing of the case report.

  • 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.