1 Department of Ophthalmology, Waikato DHB Hospital, 183, Pembroke street, 3204 Hamilton, New Zealand.
2 Department of Ophthalmology, Waikato DHB Hospital, 183, Pembroke street, 3204 Hamilton, New Zealand; Department of Ophthalmology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand.
3 Department of Ophthalmology, Hauora Tairawhiti, 114, Ormond road, 4010 Gisborne, New Zealand.
4 Department of Ophthalmology, Hauora Tairawhiti, 114, Ormond road, 4010 Gisborne, New Zealand; Matai Medical Research Institute, 421, Ormond road, Lytton West, 4010 Gisborne, New Zealand. Electronic address: [email protected].