Wyburn-Mason syndrome presenting with bilateral but asymmetr
The present case has been reported in the Indian Journal of Ophthalmology.

A 37-year-old male presented with complaint of decreased vision in right eye for 4 months. His systemic history was unremarkable. Best-corrected visual acuity (BCVA) in right eye was 20/60 and left eye was 20/20. Ocular examination revealed round and normal reacting pupils with no relative afferent pupillary defect and parallel visual axes.

Anterior segment examination in both the eyes was unremarkable. Posterior segment examination showed dilated and tortuous vessels with AV communication in both the eyes with hard exudates in the macular region in the right eye. While the AVMs in right eye were of grade II, AVMs present in left eye were of grade I.

The periphery was normal in both the eyes. Fluorescein fundus angiography (FFA) showed normal arm-to-retina time and rapid transit time in both the eyes, non-leaky retinal AV communications in the left eye, and late leakage in the perifoveal area in the right eye.

Magnetic resonance neurogram finding included tortuous vertebral arteries in close approximation with left-side complex of cranial nerves VII and VIII and bilateral multiple tiny cavernous and capillary hemangiomas in supra- and infratentorial compartments with predominant involvement of brainstem and cerebellum. Hence, the patient was diagnosed with incomplete Wyburn-Mason syndrome.

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