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Acute retinal detachment induced by the Valsalva manoeuvre in morning glory disc anomaly
  1. Mark A P Fajgenbaum1,2,
  2. Serafeim N Antonakis1,2,
  3. Luke Membrey2,
  4. David A Laidlaw1
  1. 1St Thomas Hospital, London, UK
  2. 2Eye Ear and Mouth Unit, Maidstone and Tunbridge Wells NHS Trust, Maidstone, UK
  1. Correspondence to Mr Mark A P Fajgenbaum, markfajgenbaum{at}


We present a case in which a large, bullous, predominantly inferior, serous retinal detachment developed acutely after the Valsalva manoeuvre (from a coughing fit) in an eye with morning glory disc anomaly. We postulate that a rapid alteration in intracranial pressure was transmitted through the cavitary disc defect. This allowed a sudden influx of cerebrospinal fluid and/or liquefied vitreous into the subretinal space. This previously unreported case provides important evidence for the role of intracranial pressure fluctuations in the pathogenesis of macular schisis and neurosensory detachment secondary to optic disc cavitations.

  • ophthalmology
  • macula
  • retina

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  • Contributors MAPF: conception, design, patient management, data collection, drafting paper and approval of final script. SNA and LM: conception, design, patient management, data collection and approval of final script. DAL: conception, design, patient management, data collection, editing and approval of final script.

  • Competing interests None declared.

  • Patient consent Obtained.

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