Tarek Shaarawy MD MSc Privat Docent, University of Geneva; Head, Glaucoma Sector, Medecin Adjoint Agrégé du Chef de Service, Service d'Ophthalmologie, Hopitaux Universitaires de Geneve, Switzerland Tanuj Dada MDProfessor of Ophthalmology, Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, IndiaShibal Bhartiya MDConsultant, Glaucoma Services, Department of Ophthalmology, Fortis Memorial Research Institute, Gurgaon, Haryana, India