Vision impairment, including blindness, is a major public health concern in middle-aged and elderly adults worldwide, associated with diminished quality of life and increased risk of falls and death.^1,2 Estimates suggest that 36 million people were blind and 217 million people had moderate or severe vision impairment worldwide in 2015.³ The Global Action Plan for 2014–19 adopted by WHO member states sets a global target of a 25% reduction in the prevalence of avoidable vision loss due to cataract and uncorrected refractive error by 2019 from the 2010 baseline level.

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2015年全球视力丧失的原因：我们是否有望实现2020年视觉目标？

视力障碍，包括失明，是全世界中老年人的主要公共卫生问题，与生活质量下降，跌倒和死亡风险增加有关。^1,2据估计，有36万人是盲人和2.17亿人有中度或严重的视力损伤全世界在2015年³全球行动计划为世卫组织会员国通过了2014-19设置在减少25％的全球目标从2010年基线水平到2019年，由于白内障和未矫正的屈光不正可避免的视力丧失的患病率。