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Recurrent transient visual loss due to intermittent occlusion of a prepapillary vascular loop
  1. A Misra,
  2. D W Flanagan,
  3. K R Martin
  1. Ophthalmology Department, Addenbrooke’s Hospital, Hills Road, Cambridge, UK
  1. A Misra, Ophthalmology Department, Addenbrooke’s Hospital, Hills Road, UK; aseemamisra{at}doctors.org.uk

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We report the case of young man with a 4-month history of recurrent, transient left monocular visual loss due to intermittent ocular hypertension and a prepapillary vascular loop. Examination showed narrow iridocorneal angles and a prepapillary vascular loop in the left eye. The working diagnosis was of intermittent transient occlusion of the prepapillary vascular loop due to transient ocular hypertension related to intermittent angle occlusion. He underwent bilateral peripheral iridotomies and was started on G Pilocarpine 0.1% and G Latanaprost to the left eye. One year later, he remained asymptomatic with no further episodes of visual disturbance.

Case report

A 22-year-old man presented with three episodes in 4 months of transient left monocular visual loss. During each episode, his vision became “grey and washed out” and cleared within 5–30 min. This was not associated with posture …

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