Nathan has experience in clinical practice and teaching in Orthoptics and related sciences. His primary interests are Ophthalmology, refractive error, glaucoma, age-related macula degeneration (AMD), and clinical education. He is a member of the Disability and Community Faculty Research Group within the Faculty of Health Sciences (http://www.fhs.usyd.edu.au/research_innovation/frg/disability_community.shtml ), being involved with two research teams: Participation in Everyday Life and Sensory Impairments. He is also an active member of the Driver Rehabilitation team. His research interests also include Electrophysiology and Clinical Trials.