Figure 7. Histopathology of corneal grafts. Examples of grafts stained with hematoxylin-eosin on postoperative day 14 (A-E, Magnification, 20×). A: Untreated corneal graft (control). B: Topical application of 1% CsA. C-E: Topical application of 0.1% 0.3% or 0.5% FTY720, respectively. Examples of grafts showing CD4 positive staining (brown) on postoperative day 14 (F-J, Magnification, 40×). F: Untreated corneal graft (control). G: Topical application 1% CsA. H-J: Topical application of 0.1% 0.3% or 0.5% FTY720, respectively.