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A population based survey of the prevalence and types of glaucoma in rural West Bengal: the West Bengal Glaucoma Study.
Br J Ophthalmol. 2005 Dec; 89(12):1559-64.BJ

Abstract

AIM

To determine (i) the prevalence of glaucoma in people aged > or =50 years, (ii) the proportions of different types of glaucoma, (iii) the distributions of intraocular pressure and vertical cup disc ratio.

METHOD

Population based prevalence survey in rural West Bengal. People aged > or =50 years in randomly selected villages in 24 Parganas South district. The main outcome measures were diagnosis of glaucoma, based on criteria described by the International Society for Geographic and Epidemiological Ophthalmology.

RESULTS

1594 people aged > or =50 years were enumerated in nine villages; 1324 (83.1%) were surveyed and 1269 people adequately examined. 42 definite cases of glaucoma were identified, with prevalence increasing from 2.7% (95% CI 1.7 to 3.7) in people aged 50-59 years to 6.5% (95% CI 0.0 to 14.1) in those aged > or =80 years. The age standardised estimate for the prevalence of all glaucoma in people aged > or =50 years was 3.4%. Only three cases of primary angle closure glaucoma (PACG) were identified, giving a crude ratio of primary open angle glaucoma (POAG) to PACG of more than 10:1. Three people with glaucoma were blind in one eye but none was blind in both eyes.

CONCLUSION

Compared to other surveys of glaucoma in India, the age standardised prevalence observed was less than in Hyderabad, but similar to Tamil Nadu and Dhaka. The ratio of POAG to PACG was much higher than found previously, suggesting that PACG may be less prevalent in Bengalis than in Indian populations living in south India. The authors conclude that ophthalmic services in West Bengal should focus on detecting POAG. Since there is still no satisfactory method of screening for POAG, there is no alternative to case detection (opportunistic screening) in eye clinics.

Authors+Show Affiliations

Department of Public Health and Policy, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK. barney.reeves@lshtm.ac.uk.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

16299129

Citation

Raychaudhuri, A, et al. "A Population Based Survey of the Prevalence and Types of Glaucoma in Rural West Bengal: the West Bengal Glaucoma Study." The British Journal of Ophthalmology, vol. 89, no. 12, 2005, pp. 1559-64.
Raychaudhuri A, Lahiri SK, Bandyopadhyay M, et al. A population based survey of the prevalence and types of glaucoma in rural West Bengal: the West Bengal Glaucoma Study. Br J Ophthalmol. 2005;89(12):1559-64.
Raychaudhuri, A., Lahiri, S. K., Bandyopadhyay, M., Foster, P. J., Reeves, B. C., & Johnson, G. J. (2005). A population based survey of the prevalence and types of glaucoma in rural West Bengal: the West Bengal Glaucoma Study. The British Journal of Ophthalmology, 89(12), 1559-64.
Raychaudhuri A, et al. A Population Based Survey of the Prevalence and Types of Glaucoma in Rural West Bengal: the West Bengal Glaucoma Study. Br J Ophthalmol. 2005;89(12):1559-64. PubMed PMID: 16299129.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A population based survey of the prevalence and types of glaucoma in rural West Bengal: the West Bengal Glaucoma Study. AU - Raychaudhuri,A, AU - Lahiri,S K, AU - Bandyopadhyay,M, AU - Foster,P J, AU - Reeves,B C, AU - Johnson,G J, PY - 2005/11/22/pubmed PY - 2006/2/4/medline PY - 2005/11/22/entrez SP - 1559 EP - 64 JF - The British journal of ophthalmology JO - Br J Ophthalmol VL - 89 IS - 12 N2 - AIM: To determine (i) the prevalence of glaucoma in people aged > or =50 years, (ii) the proportions of different types of glaucoma, (iii) the distributions of intraocular pressure and vertical cup disc ratio. METHOD: Population based prevalence survey in rural West Bengal. People aged > or =50 years in randomly selected villages in 24 Parganas South district. The main outcome measures were diagnosis of glaucoma, based on criteria described by the International Society for Geographic and Epidemiological Ophthalmology. RESULTS: 1594 people aged > or =50 years were enumerated in nine villages; 1324 (83.1%) were surveyed and 1269 people adequately examined. 42 definite cases of glaucoma were identified, with prevalence increasing from 2.7% (95% CI 1.7 to 3.7) in people aged 50-59 years to 6.5% (95% CI 0.0 to 14.1) in those aged > or =80 years. The age standardised estimate for the prevalence of all glaucoma in people aged > or =50 years was 3.4%. Only three cases of primary angle closure glaucoma (PACG) were identified, giving a crude ratio of primary open angle glaucoma (POAG) to PACG of more than 10:1. Three people with glaucoma were blind in one eye but none was blind in both eyes. CONCLUSION: Compared to other surveys of glaucoma in India, the age standardised prevalence observed was less than in Hyderabad, but similar to Tamil Nadu and Dhaka. The ratio of POAG to PACG was much higher than found previously, suggesting that PACG may be less prevalent in Bengalis than in Indian populations living in south India. The authors conclude that ophthalmic services in West Bengal should focus on detecting POAG. Since there is still no satisfactory method of screening for POAG, there is no alternative to case detection (opportunistic screening) in eye clinics. SN - 0007-1161 UR - https://www.unboundmedicine.com/medline/citation/16299129/A_population_based_survey_of_the_prevalence_and_types_of_glaucoma_in_rural_West_Bengal:_the_West_Bengal_Glaucoma_Study_ L2 - http://bjo.bmj.com/cgi/pmidlookup?view=long&pmid=16299129 DB - PRIME DP - Unbound Medicine ER -