- 5 billion to be short-sighted (myopic) by the year 2050
- One in ten at risk of blindness
- Myopia to become a leading cause of permanent blindness worldwide
- U.S. and Canada - 260 million myopes by 2050, up from 90 million in 2000; 66 million high myopes by 2050, up from 11 million in 2000
- Parents advised to have children's eyes checked regularly, improve time outdoors and moderate time on near based activities including electronic devices
Sydney, Australia, 17 February 2016: Half the world's population (nearly 5 billion) will be short-sighted (myopic) by 2050, with up to one-fifth of them (1 billion) at a significantly increased risk of blindness if current trends continue, says a study published in the journal Ophthalmology.
The number with vision loss from high myopia is expected to increase seven-fold from 2000 to 2050, with myopia to become a leading cause of permanent blindness worldwide.
The rapid increase in the prevalence of myopia globally is attributed to, "environmental factors (nurture), principally lifestyle changes resulting from a combination of decreased time outdoors and increased near work activities, among other factors," say the authors from Brien Holden Vision Institute, University of New South Wales Australia and Singapore Eye Research Institute.
The findings point to a major public health problem, with the authors suggesting that planning for comprehensive eye care services are needed to manage the rapid increase in high myopes (a five-fold increase from 2000), along with the development of treatments to control the progression of myopia and prevent people from becoming highly myopic.
"We also need to ensure our children receive a regular eye examination from an optometrist or ophthalmologist, preferably each year, so that preventative strategies can be employed if they are at risk," said co-author Professor Kovin Naidoo, CEO of Brien Holden Vision Institute. "These strategies may include increased time outdoors and reduced time spent on near based activities including electronic devices that require constant focussing up close.
"Furthermore there are other options such as specially designed spectacle lenses and contact lenses or drug interventions but increased investment in research is needed to improve the efficacy and access of such interventions."
View the paper 'Global prevalence of myopia and high myopia and temporal trends from 2000 through 2050' in Ophthalmology here: http://www.
Brien Holden Vision Institute is a non-profit global scientific, research, innovation, education, licensing and public health organisation. The Institute's mission includes developing new solutions for vision care, especially refractive error and early disease detection, and to eliminate vision impairment and avoidable blindness, thereby reducing disability and poverty. Brien Holden Vision Institute is a social enterprise, investing the revenues from its work into creating scientific solutions and developing and delivering eye care and education programs.
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