Prevalence and Causes of Visual Impairment and Blindness in Ghana: A Systematic Review and Meta-Analysis.

Visual impairment prevalence was higher in rural than urban settings and higher among women and older adults.

Refractive errors were the leading cause of visual impairment, accounting for 2.00% of all visual impairment cases (95% CI 0.98% to 4.06%; I 2 = 91.7).

The pooled prevalence of blindness was 0.25% (95% CI 0.04% to 1.43%; 95% PI 0.00 to 49.77%; I 2 = 93.3), with cataracts the most common cause of blindness (0.79% of blindness cases; 95% CI 0.39% to 1.57%; I 2 = 95.3).