1. Department of Optometry, College of Medical Science and Technology, Chung Shun Medical University, Taichung, Taiwan, Republic of China
2. Department of Ophthalmology, Chung Shun Medical University Hospital, Taichung, Taiwan, Republic of China
3. School of Nutrition, College of Health Care and Management, Chung Shun Medical University, Taichung, Taiwan, Republic of China, E‐mail: