Figure 9. Semithin analysis of the retina-choroid. At 30 days after triamcinolone acetonide (TA) injection, the diameter of retinal vessels was reduced as compared to control PBS injected eyes (B, A, respectively, arrows). The thickness of the choroids was significantly reduced in TA-treated (D) as compared to the control eye (C and E). Vacuoles were observed in retinal pigment epithelial (RPE) cells and outer segment in the TA-treated eyes (D, stars). Results are expressed as mean±standard error, with ***p<0.001. Fours animals were used in this study. Abbreviations: outer nuclear layer (ONL), inner segment (IS), outer segment (OS). Scale bar represents 20 µm.