Updated Mar 08, 2021 | 10:53 IST The global population is ageing, and so are their eyes. In fact, the number of people with vision impairment and blindness is expected to more than double over the next 30 years. Study shows that mortality is associated with vision impairment | Photo Credit: Pixabay Washington: Researchers recently during a meta-analysis found that blindness and impairment of vision are closely associated with increased mortality risk. This has prompted a need to address global eye health disparities. The global population is ageing, and so are their eyes. In fact, the number of people with vision impairment and blindness is expected to more than double over the next 30 years.