A 48-year-old man underwent serial fundus photography for eye examination. During a regular checkup in December 2012, the intraocular pressure (IOP) was 11 mm Hg and a vascular loop was discovered from the 10- to 12-o’clock position on the periphery of the optic nerve. Two years later in December 2014, the IOP was 10 mm Hg and the vascular loop had disappeared. Approximately 1 year later, disc hemorrhage and accompanying retinal nerve fiber layer defect were manifest in the inferotemporal part of the optic disc (Figure).
Lee WJ, Park KH. Reversible Peripapillary Vascular Loop Change. JAMA Ophthalmol. 2018;136(7):e181386. doi:10.1001/jamaophthalmol.2018.1386
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