title: Leaking filtering blebs.
abstract: Histologic examination of ten leaking filtering blebs revealed an epithelial tract running from the surface of the bleb down to the episclera in eight cases. These epithelial tracts were considered the real cause of the persistent leakage.
mesh_terms: D000328:Adult; D000368:Aged; D001082:Aqueous Humor; D003228:Conjunctiva / Q000473:pathology; D005128:Eye Diseases / Q000209:etiology / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013508:Ophthalmologic Surgical Procedures; D011183:Postoperative Complications / Q000209:etiology / Q000473:pathology*