test-pictureRapid 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.

This website aims to be a safe home for over two hundred studies on eye disease. Visitors of the website should be able to easily search through the studies and find the study that they are interested in. When they want to have more information, they can download or request access to this information.