Fig. 5
From: Keratoconus-like tomographic changes in a case of recurrent interstitial keratitis
a–c Chronic (stromal) interstitial keratitis. a The cornea is edematous and slightly infiltrated by lymphocytes and monocytes in the posterior part (arrowheads) (haematoxylin-eosin, × 20). b Masson-Goldner stain shows increase of irregular collagen bundles in the middle and deep stromal parts (× 20). c Myofibroblastic activation of stromal fibrocytes are highlighted by CD34 immunohistochemistry (× 20)