Rapid assessment of avoidable blindness and needs assessment of cataract surgical services in Satkhira District, Bangladesh
| Autor: | Allen Foster, Hannah Kuper, Robert Lindfield, Zakia Wadud, Khair Ahmed Choudhury, Tessa Lindfield, Sarah Polack, Mamunur Rashid Akm, Hans Limburg |
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| Rok vydání: | 2006 |
| Předmět: |
Male
Pediatrics medicine.medical_specialty Visual acuity genetic structures Eye disease Visual impairment Visual Acuity Cataract Extraction Blindness Cataract Vision disorder Cellular and Molecular Neuroscience medicine Humans Postoperative Period Developing Countries Aged Response rate (survey) Aged 80 and over Bangladesh business.industry World View Middle Aged medicine.disease eye diseases Sensory Systems Confidence interval Ophthalmology Needs assessment Optometry Female medicine.symptom business Epidemiologic Methods Needs Assessment |
| Zdroj: | The British journal of ophthalmology. 90(10) |
| ISSN: | 0007-1161 |
| Popis: | To estimate the magnitude and causes of blindness in people agedor =50 years in Satkhira district, Bangladesh, and to assess the availability of cataract surgical services.106 clusters of 50 people agedor =50 years were selected by probability-proportionate to size sampling. Households were selected by compact segment sampling. Eligible participants had their visual acuity measured. Those with visual acuity6/18 were examined by an ophthalmologist. A needs assessment of surgical services was conducted by interviewing service providers.4868 people were examined (response rate 91.9%). The prevalence of bilateral blindness was 2.9% (95% confidence interval (CI) 2.4% to 3.5%), that of severe visual impairment was 1.6% (95% CI 1.2% to 2.0%) and that of visual impairment was 8.4% (95% CI 7.5% to 9.3%). 79% of bilateral blindness was due to cataract. The cataract surgical coverage was moderate; 61% of people with bilateral cataract blindness (visual acuity3/60) had undergone surgery. 20% of the 213 eyes that had undergone cataract surgery had a best-corrected poor outcome (visual acuity6/60). The cataract surgical rate (CSR) in Satkhira was 547 cataract surgeries per million people per year.Although the prevalence of blindness and visual impairment was lower than expected, the CSR is inadequate to meet the existing need, and the quality of surgery needs to be improved. |
| Databáze: | OpenAIRE |
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