Background Many causes of vision impairment can be prevented or treated. With an ageing
global population, the demands for eye health services are increasing. We estimated the …

Background To contribute to the WHO initiative, VISION 2020: The Right to Sight, an
assessment of global vision impairment in 2020 and temporal change is needed. We aimed …

Background Data on causes of vision impairment and blindness are important for
development of public health policies, but comprehensive analysis of change in prevalence …

Background Contemporary data for causes of vision impairment and blindness form an
important basis of recommendations in public health policies. Refreshment of the Global …

Background A recent estimate by the World Health Organization (WHO) suggests that 161
million persons worldwide have visual impairment, including 37 million blind (best-corrected …

Purpose: To estimate global and regional prevalence estimates for blindness and vision
impairment (VI) that are important for development of public health policies. Methods: A …

An estimated 45 million people around the world are blind. 1 Most of them have lost their
sight to diseases that are treatable or preventable. Eighty percent of them live in the lesser …

Background Global and regional prevalence estimates for blindness and vision impairment
are important for the development of public health policies. We aimed to provide global …

Background Vision loss is an important public health issue in China, but a detailed
understanding of national and regional trends in its prevalence and causes, which could …

Eye health and vision have widespread and profound implications for many aspects of life,
health, sustainable development, and the economy. Yet nowadays, many people, families …