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Year : 2021  |  Volume : 9  |  Issue : 1  |  Page : 32-34

Central retinal vein occlusion caused by anomalous prepapillary venous loop

1 Vitreoretinal Services, Mahatme Eye Hospital and Eye Bank, Nagpur, Maharashtra; Vitreoretinal Services, Sankara Eye Hospital, Shimoga, Karnataka, India
2 Vitreoretinal Services, Sankara Eye Hospital, Shimoga, Karnataka, India

Correspondence Address:
Pradeep Sagar
C/o NR Ekhar, First Floor, Plot No. 109, Rajeev Nagar, Somalwada, Nagpur - 440 025, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jcor.jcor_28_20

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We present a case of prepapillary venous loop complicated by central retinal vein occlusion (CRVO). A 56-year-old female reported to us with blurring of vision in the right eye, noticed 8 days ago. Fundus examination in the right eye showed multiple superficial retinal hemorrhages in all the four quadrants with dilated veins and cystoid macular edema, suggestive of CRVO. Prepapillary venous loops were seen in both the eyes. In our case, both the eyes had an abnormal venous anatomy at the disc. On fundus fluorescein angiography, only the looped segment showed laminar flow in late phase in both the eyes. Hence, patients with an abnormal retinal venous anatomy should be treated with caution as they are considered to be at a high risk of retinal vein occlusion.

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