Fig. 4
From: A review of the application of in-vivo confocal microscopy on conjunctival diseases

Representative in-vivo confocal microscopy (IVCM) images of functional filtering blebs from a 92-year-old male who underwent trabeculectomy over 10 years ago (intraoperative mitomycin C use unknown) a–c Examples of large, numerous microcysts in the conjunctival epithelium. d Subepithelial connective tissue is extensive and widely spaced