Penetrating canaloplasty in angle-closure glaucoma secondary to iridocorneal endothelial syndrome following multiple failed filtering surgeries: A case report

Abstract

Rationale: Angle-closure glaucoma secondary to iridocorneal endothelial syndrome (ICE) is challenging to treat, especially in patients who have already undergone multiple surgical procedures. Long-term success is difficult to achieve with traditional filtration surgery again. This case report describes a novel nonbleb-dependent surgery for managing such a young patient. Patient concerns: A 30-year-old male with glaucoma secondary to ICE was referred to West China Hospital, Sichuan University for uncontrolled intraocular pressure following multiple failed filtering surgeries under maximum topical antiglaucoma medications in his right eye. Diagnoses: The patient was diagnosed with angle-closure glaucoma secondary to ICE in the right eye based on a series of ophthalmic examinations. Interventions: Penetrating canaloplasty was performed to manage glaucoma secondary to ICE in the right eye. Outcomes: The patient’s visual acuity improved, the intraocular pressure was reduced to 11 to 15 mm Hg through 30 months of follow-up, and no antiglaucoma medication or additional surgical procedures were needed. Lessons: Penetrating canaloplasty could be considered as an option for the treatment of refractory angle-closure glaucoma secondary to ICE with extensive angle adhesion.