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Tanzania - Zanzibar Rapid Assessment of Avoidable Blindness 2007


General Info
Pemba North, Pemba South, Zanzibar Central/South, Zanzibar North, Zanzibar Urban/West
Coverage type 
Time period covered 
01/2007 - 12/2007
Data type

Rapid assessment of avoidable blindness (RAAB) is a rapid survey methodology developed at ICEH. It is a population based survey of visual impairment and eye care services among people aged 50 years and over.

RAAB can provide the prevalence of blindness and visual impairment, its main causes, the output and quality of eye care services, barriers, cataract surgical coverage and other indicators of eye care services in a specific geographical area.