作者单位:Univ Auckland, New Zealand Natl Eye Ctr, Dept Ophthalmol, Private Bag 92019, Auckland 1142, New[1]Univ Otago, Dept Psychol, Dunedin Multidisciplinary Hlth & Dev Res Unit, Dunedin, New Zealand[2]Univ Otago, Dept Ophthalmol, Dunedin, New Zealand[3]