NavGeneral InfoEmail Print Provider RAAB RepositoryMicrodata access: Download Geography Viet Nam (VNM) Hà Tây Coverage type Subnational Time period covered 06/2007 - 07/2007 Series or system Rapid Assessment of Avoidable Blindness (RAAB) Data type Survey: Cross-sectional 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 Vision loss, Glaucoma, Cataracts, Macular degeneration, Trachoma, Visual acuity Citation Primary investigator Nguyen Chi Dzung Contributors International Centre for Eye Health (ICEH) Publisher RAAB Repository Suggested citation International Centre for Eye Health (ICEH). Vietnam - Ha Tay Rapid Assessment of Avoidable Blindness 2007. Grootebroek, Netherlands: RAAB Repository. GHDx Entry last modified on: Jan 18, 2023