Professor Casson became a Fellow of the Royal Australian and NZ College of Ophthalmologists in 2000 and completed his lab-based PhD at Oxford University in 2004 and a Master of Biostatistics at University of Adelaide in 2012.
He is a Fellow of the Academy of Asia-Pacific Professors of Ophthalmology and is the Vice-Chair & Chief Scientific Advisor to the evidence-based NGO, Sight for All. He aims to foster interdisciplinary solutions to eye-related problems.