1. Department of Ophthalmology The Third Affiliated Hospital Sun Yat‐Sen University Guangzhou China
2. Department of Ophthalmology Nanhai Hospital of Southern Medical University Guangzhou China
3. Department of English Guangzhou Pui Ching Middle School Guangzhou China
4. State Key Laboratory of Ophthalmology Zhongshan Ophthalmic Center Sun Yat‐sen University Guangzhou China