Hafiza is not alone in her struggle to work with blurry vision. Globally, one-third of workers have uncorrected vision (Vision Impact Institute, 2012) and most of them do not have access to eyecare services through workplace wellness efforts.
Results from a randomized trial that we conducted with Queens University Belfast, Clearly and Orbis, indicate that simple reading glasses generate the largest recorded productivity increase from any health intervention, as published in the Lancet Global Health (2018).
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