Purpose To determine the prevalence and causes of blindness and visual impairment among adults in Kogi, Nigeria. Methods A Rapid assessment of avoidable blindness (RAAB) protocol was used with additio
* Moderate Visual Impairment is defined as presenting visual acuity worse than 6/18 to 6/60 in the better eye.# Blindness is defined as presenting visual acuity worse than 6/60 in the better eye.## An