- ►nih.gov [PDF] JJ Michon, J Lau, WS Chan, LB Ellwein - British Journal of Ophthalmology, 2002 - bjo.bmj.com Results: A total of 3441 subjects from an enumerated population of 4487 (76.7%)
completed an eye examination. The prevalence of presenting visual acuity less
than 6/18 in at least one eye was 41.3%; and 73.1% in those 80 years of age ... Cited by 52 - Related articles - BL Direct - All 7 versions
S Li, J Xu, M He, K Wu, SR Munoz, LB Ellwein - Ophthalmology, 1999 - Elsevier Visual acuity and eye examinations were performed in the summer of 1997 in a
random sample of villages in Doumen County. Differences in blindness prevalence
associated with age, gender, and education were explored using logistic ... Cited by 83 - Related articles - BL Direct - All 7 versions
J Zhao, L Jia, R Sui, LB Ellwein - American journal of ophthalmology, 1998 - Elsevier RESULTS: Of 5,555 enumerated subjects ≥50 years of age, 91.5% (5,084/5,555)
were examined and 90.9% (5,052/5,555) were tested for visual acuity. In this
population, 2.8% (139/5,052) were blind, defined as presenting visual ... Cited by 71 - Related articles - BL Direct - All 7 versions
WM Hsu, CY Cheng, JH Liu, SY Tsai, P Chou - Ophthalmology, 2004 - Elsevier Few population-based data on the prevalence and causes of visual impairment are
available from East Asia. The purpose of this study was to determine the
prevalence and causes of visual impairment in an elderly Chinese population ... Cited by 62 - Related articles - All 13 versions
- ►nih.gov M Zainal, SM Ismail, AR Ropilah, H Elias, G … - British Journal of Ophthalmology, 2002 - bjo.bmj.com Results: The overall response rate was 69% (that is, living quarters response
rate was 72.8% and household response rate was 95.1%). The age adjusted
prevalence of bilateral blindness and low vision was 0.29% (95% CI 0.19 to ... Cited by 40 - Related articles - BL Direct - All 17 versions
GVS Murthy, S Gupta, LB Ellwein, SR Munoz, … - Ophthalmology, 2001 - Elsevier A random selection of village-based clusters was used to identify a population
sample in the predominantly rural Bharatpur district of Rajasthan. Eligible
subjects in the 25 selected clusters were enumerated through a door-to-door ... Cited by 68 - Related articles - BL Direct - All 8 versions
SM Saw, PJ Foster, G Gazzard, S Seah - Ophthalmology, 2004 - Elsevier From an initial sampling frame of 40- to 79-year-old Chinese in the Tanjong
Pagar district in Singapore, 2000 subjects were selected using a
disproportionate, stratified, clustered, random-sampling method. Of 1717 ... Cited by 43 - Related articles - All 4 versions
[CITATION] A Population--basedEye Survey of Older Adults in a Rural District of Rajasthan
- ►nih.gov PK Nirmalan, RD Thulasiraj, V Maneksha, R … - British Journal of Ophthalmology, 2002 - bjo.bmj.com Methods: Cluster sampling was used to randomly select a cross sectional sample
of people ≥50 years of age living in the Tirunelveli district of south India.
Eligible subjects in 28 clusters were enumerated through a door to door ... Cited by 72 - Related articles - BL Direct - All 8 versions
- ►nih.gov BP Dineen, RRA Bourne, SM Ali, DM Huq, GJ … - British Journal of Ophthalmology, 2003 - bjo.bmj.com Methods: A nationally representative sample of 12 782 adults 30 years of age and
older was selected based on multistage, cluster random sampling with probability
proportional to size procedures. The breakdown of the cluster sites was ... Cited by 58 - Related articles - BL Direct - All 13 versions
