TY - JOUR AU - Messori, Andrea AB - Letters Figure. Prepapillary Vascular Loop and Associated Branched Retinal Arterial Occlusion A B C A and B, Color fundus photographs demonstrating a coiled loop with superficial coherence tomographic image revealing adhering vitreous gel (arrowheads) at retinal whitening along the inferotemporal arcade. C, Spectral-domain optical the apex of the loop. Author Affiliations: Retina Service of Wills Eye Hospital, Mid Atlantic Retina, We agree with Dr Walland and had similarly proposed a Philadelphia, Pennsylvania. contributing etiologic role of the intact or acutely detaching Corresponding Author: Richard S. Kaiser, MD, Wills Eye Hospital, vitreous gel in inducing a tractional kinking or twisting of the 840 Walnut St, Philadelphia, PA 19107 (richardskaisermd@gmail.com). loop around its central axis, ultimately obstructing distal blood Published Online: December 4, 2014. doi:10.1001/jamaophthalmol.2014.5049. flow and triggering the arterial occlusive event. We similarly Conflict of Interest Disclosures: All authors have completed and submitted the are intrigued that these 2 cases have occurred in younger pa- ICMJE Form for Disclosure of Potential Conflicts of Interest and none were tients, who are more likely to have a formed intact vitreous gel, reported. although Dr Walland’s suggestion that a component of re- 1. Rahimy E, Rayess N, Talamini CL, Kaiser RS. Traumatic prepapillary TI - Comparative Effectiveness of Bevacizumab and Ranibizumab in the Comparison of Age-Related Macular Degeneration Treatments Trials JF - JAMA Ophthalmology DO - 10.1001/jamaophthalmol.2014.4642 DA - 2015-03-01 UR - https://www.deepdyve.com/lp/american-medical-association/comparative-effectiveness-of-bevacizumab-and-ranibizumab-in-the-EUIYiMW7bA SP - 363 EP - 364 VL - 133 IS - 3 DP - DeepDyve ER -