Corrigendum to “Outcome of a Low-Cost Glaucoma Implant versus the Baerveldt Glaucoma Implant for Paediatric Glaucoma in a Tertiary Hospital in Egypt” - Mahmoud F. Rateb; Hazem Abdel Motaal; Mohamed Shehata; Mohamed Anwar; Dalia Tohamy; Mohamed G. A. Saleh (Journal of Ophthalmology)