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- W4385760704 abstract "Abstract Background: Cambodia is a low-income country in South East Asia with a population of 15.5 million people of whom 4.9 million (38%) are under the age of 16. The causes of childhood blindness in Cambodia have not been investigated since the first survey of schools for the blind done in 2009 by our group. Given the large demographic and economic shifts in Cambodia since 2009 it is important to determine if these causes have changed in order to ensure intervention programmes are appropriately targeted. The purpose of the present study is to investigate the prevalences of the causes of childhood blindness at schools for the blind in Cambodia. Methods: Students between the ages of 5 and 16years who were attending schools for the blind in Cambodia were examined by a consultant paediatric ophthalmologist and had clinical photographs taken. Distance visual acuity was measured using a logMAR tumbling E chart and the WHO definitions of blindness and severe visual impairment were used. The examining ophthalmologist recorded the anatomical site and aetiology of vision loss using the WHO Prevention of Blindness eye examination record for children. Collected data were compared to a previous survey from 2009. Results: Data from 76 students were included for analysis. The most common anatomical location of abnormality causing vision loss was the cornea (n = 20, 33.9%) followed by the lens and retina (n = 11, 18.64% for both). Hereditary factors (n = 29, 49.15%) and childhood diseases (n = 27, 45.76%) were the most common aetiological causes of childhood blindness. The majority (71.19%) of childhood blindness was avoidable. The present study did not demonstrate a significant difference in the causes of childhood blindness compared to 2009. Conclusions Corneal pathologies continue to represent the most common cause of vision loss amongst the surveyed population and the majority of causes of childhood blindness continue to be avoidable. These findings will facilitate the development of evidence-based targeted interventional programmes in Cambodia." @default.
- W4385760704 created "2023-08-12" @default.
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- W4385760704 date "2023-08-11" @default.
- W4385760704 modified "2023-10-03" @default.
- W4385760704 title "A 12-year follow up survey of childhood blindness at schools for the blind in Cambodia" @default.
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- W4385760704 doi "https://doi.org/10.21203/rs.3.rs-3148216/v1" @default.
- W4385760704 hasPublicationYear "2023" @default.
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