Retraction of: “Relative Retinal Blood Flow: A Novel and Informative Measure of Unilateral Retinal Vein Occlusion Severity” by Rachelle Koch, Brendan Seto, Keiko Yamada, Purva Atreay, Colin A. Lemire, Nina Hazra, and Jorge G. Arroyo (
Transl Vis Sci Technol. 2021;10(3):15),
https://doi.org/10.1167/tvst.10.3.15.
After publication of the above article, a serious issue related to lack of Institutional Review Board (IRB) approval for the research procedures was brought to the attention of the journal by the IRB, and has been corroborated by the corresponding author. It was therefore agreed that this article should be retracted.