This article, “Inhibitory effect of discoidin domain receptor 2 (DDR2) on oxygen-induced retinopathy in mice”, published OnlineFirst in Graefe's Archive for Clinical and Experimental Ophthalmology, DOI 10.1007/s00417-014-2798-9, has been retracted at the request of the Editor-in-Chief. The data in this article was used without acknowledgement or approval by the research team. The online version of this article contains the full text of the retracted article as electronic supplementary material.