Singapore Malay Eye Study Team Investigators:Dr T. Wong (principal investigator); Dr Saw; Dr Tan (co–principal investigator); Dr Aung; Dr Loo; Dr Loon; Dr Rosman; Dr Shen; Dr Tai. Project Managers: Athena W. P. Foong, BSc; Aidah Idris, BAppSc; Mya Sandar, MBBS, MMed. Statisticians: Steven Ting, MSc(Stats), Ms W.-L.Wong. Examiners, Interviewers, and Recruiters: Chye Fong Peck, RN (Singapore Eye Research Institute clinic manager); Muhd Hazrin Abdul Rahim, BSc; Andy Ang; Howard Cajucom-Uy, MD; Bee Ting Ek; Siti Nur Fatimah Johari; Maonah Hambali; Haslina Hamzah; Hamidah Hasmuni; Ying Hong, MBBS; Muhamad Fauzi Mat Isa; Kartini Mohd Isa; Naadira Mohd Ishak; Helen Lee; Regina Loo, BSc; Shariffah Mohamed; Nur Kamilah Mohd Sharip; Matthew Phang; Erwin Iriawan Seah; Kar Luen Siu, BSc; Maisie Ho, BSc; Ruili Wang, MBBS; Ruihua Wei, MBBS, MSc; Yi Wu, MBBS. External Advisory Board Members: Ronald Klein, MD, MPH; Barbara E. K. Klein, MD, MPH; Paul J. Foster, PhD, FRCS(Edin); Paul Mitchell, MD, PhD, FRCOpth; James M. Tielsch, PhD; Jie Jin Wang, PhD. Study Collaborators: Ministry of Health, Singapore; Singapore Prospective Study Program; Singapore Tissue Network; Yayasan MENDAKI; Islamic Religious Council of Singapore (MUIS); Centre for Eye Research Australia, The University of Melbourne; Centre for Vision Research, University of Sydney.