Santos Shan-Yu Tseng1, David Chao-Kai Chang2, John Ching-Jen Hsiao3,4,*
1 Walmart Vision Centre, Ontario, Canada
2 Nobel Eye Clinic, Taipei City, Taiwan
3 School of Optometry, Chung Shan Medical University, Taichung City, Taiwan
4 Department of Ophthalmology, Chung Shan Medical University Hospital, Taichung City, Taiwan