[1] Singapore Natl Eye Ctr, Singapore Eye Res Inst, Singapore, Singapore
[2] Natl Univ Singapore, Yong Loo Lin Sch Med, Dept Ophthalmol, Singapore 117595, Singapore
[3] Duke NUS Grad Med Sch, Off Clin Sci, Ctr Quantitat Med, Singapore, Singapore
[4] Natl Univ Singapore, NUS Grad Sch Integrat Sci & Engn, Singapore 117548, Singapore
[5] Natl Univ Hlth Syst, Memory Aging & Cognit Ctr, Singapore, Singapore
[6] Erasmus MC, Dept Ophthalmol, Rotterdam, Netherlands
[7] Khoo Teck Puat Hosp, Dept Geriatr Med, Singapore, Singapore
[8] Singapore Gen Hosp, Dept Geriatr Med, Singapore, Singapore
[9] Natl Univ Singapore, Dept Pharmacol, Singapore 117548, Singapore