Figure 8. Histopathological examination examples of Group 1 (A), Group 2 (B), Group 3 (C), and Group 4 (D). Red arrows indicate the newly formed epithelial layers. Black arrows indicate the degree of stromal collogen remodeling and keratocyte loss. Blue arrows indicate the newly formed vessels, and blue stars indicate PMNL infiltration (HE; x200). Abbreviations: PMNL, polymorphonuclear leukocyte.