[1] Univ Sydney, Dept Ophthalmol, Ctr Vis Res, Sydney, NSW, Australia
[2] Univ Sydney, Westmead Inst Med Res, Sydney, NSW, Australia
[3] Univ Sydney, John Walsh Ctr Rehabil Res, Sydney Med Sch, Kolling Med Res Inst, Sydney, NSW, Australia
[4] Macquarie Univ, Dept Psychol, Sydney, NSW, Australia