{"id":"who.who-cataractsurgicaleffective.nga.annual","dataset_id":"who-cataractsurgicaleffective","indicator":"who-cataractsurgicaleffective","geography":"NGA","frequency":"annual","unit":"percent","start_period":"2007","end_period":"2007","org":"World Health Organization","original_indicator":"CATARACTSURGICALEFFECTIVE","url":"https://ghoapi.azureedge.net/api","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","geography_name":"Nigeria","region":"Sub-Saharan Africa ","observations":[{"period":"2007","value":8.0,"flags":""}],"indicator_name":"Effective cataract surgical coverage of adults aged 50 and over","topic":"Health","source":"who","provenance":{"organization":"World Health Organization","original_indicator":"CATARACTSURGICALEFFECTIVE","url":"https://ghoapi.azureedge.net/api","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","license":"see source"}}