[Dosed drainage in the surgical treatment of post-traumatic glaucoma in children]

The authors have developed an operation involving artificial drainage system implantation to children with secondary posttraumatic glaucoma. The drainage system represents a silicon cylinder 2 mm long with an external diameter of 2 mm and internal diameter of 1.5 mm. A thin membrane attached to the internal walls of the cylinder along 1/3 of the diameter, free otherwise, is situated in the middle of the cylinder. There are small openings, directed to opposite sides, in the terminal sections of this membrane. Such surgery was carried out in 18 eyes of 18 children aged 5 to 14 with secondary posttraumatic glaucoma. The patients were discharged from hospital on days 7-10 after surgery with ophthalmic tone of 17 to 21 mm Hg. A follow-up of up to 1.5 years has shown that the ocular pressure was normal (17-22 mm Hg) in 13 eyes, slightly higher in 4 (23-26 mm Hg), and high (35 mm Hg) in 1. Repeated surgery of this patient with revision of the intervention site has revealed that the distal end of the drainage tube was closed with solid connective tissue. This complication was due to a technological error in the course of operation.