To access the data, click or select the words “Appendix 1.” Triple immunofluorescence staining for tenascin-C, α-SMA, M1, and SM2 in FVMs from eyes with PDR. SM1 and SM2 are specific markers for smooth muscle cells. Most of α-SMA-positive cells are co-stained with SM1 and SM2, specific markers of smooth muscle cells. Nuclei are stained blue. Scale bar, 100 μm.