1. Orthoptist and honours student, Department of Clinical Vision Sciences, Department of Clinical Vision Sciences, School of Allied Health, La Trobe University, Victoria 3086, Australia
2. Orthoptist and lecturer, Department of Clinical Vision Sciences, Department of Clinical Vision Sciences, School of Allied Health, La Trobe University, Victoria, Australia
3. Orthoptist and masters candidate, Department of Clinical Vision Sciences, Department of Clinical Vision Sciences, School of Allied Health, La Trobe University, Victoria, Australia