Correction: Prevalence of polypharmacy and the association with non-communicable diseases in Qatari elderly patients attending primary healthcare centers: A cross-sectional study حسب Ayman Al-Dahshan (8962568)

"…Females were 1.18 times more likely to have polypharmacy compared to males (95% CI: 1.03–1.34). …"

Causes of blindness and vision impairment in 2020 and trends over 30 years, and prevalence of avoidable blindness in relation to VISION 2020: the Right to Sight: an analysis for th... حسب Jaimie D Steinmetz (18015919)

"…Age-standardised prevalence of avoidable blindness decreased by −15·4% [–16·8 to −14·3], while avoidable MSVI showed no change (0·5% [–0·8 to 1·6]). …"