NavGeneral InfoEmail Print Provider RAAB RepositoryMicrodata access: Download Geography Sudan (SDN) Coverage type Subnational Time period covered 05/2010 - 05/2010 Series or system Rapid Assessment of Avoidable Blindness (RAAB) Data type Survey: Cross-sectionalIndividualInterview Summary The Rapid Assessment of Avoidable Blindness (RAAB) is a rapid survey methodology developed at the International Centre for Eye Health (ICEH). It is a population based survey of visual impairment and eye care services among people aged 50 years and over. Keywords Corrective lenses, Eye examinations, Glaucoma, Macular degeneration, Onchocerciasis, Refraction and accommodation disorders, Trachoma, Vision loss, Visual acuity Citation Primary investigator Awad Hassan Contributors International Centre for Eye Health (ICEH) Publisher RAAB Repository Suggested citation International Centre for Eye Health (ICEH). Sudan - Sennar Rapid Assessment of Avoidable Blindness 2010. Grootebroek, Netherlands: RAAB Repository. GHDx Entry last modified on: Jan 18, 2023