Valved Drainage Devices for Pediatric Glaucoma
Introduction Pediatric glaucoma includes a wide variety of conditions that result in elevated intraocular pressure and optic nerve damage, ranging from primary congenital glaucoma since birth to developmental glaucoma associated with other diseases and acquired glaucoma secondary to multiple causes. Depending on the age of the patient, it presents with particular features and circumstances that need to be taken into account and frequently require surgical intervention. Glaucoma drainage implant surgery has a definitive role in managing infants and other children with glaucoma refractory to angle surgery and trabeculectomy. GDDs are even preferred nowadays as a primary procedure in selected cases where other surgeries are contraindicated or have very few chances to succeed. Furthermore, it has been found that 20% of pediatric glaucoma patients often require 2 or more surgical procedures for adequate IOP control, and GDDs are frequently used in the second or third surgical attempt.1 Glau

