A Queen's University researcher has found for the first time how a simple pair of glasses can improve workers' productivity and reduce poverty to achieve a huge global productivity boost in sight.
"We thought it was crucial to demonstrate that performance even of tasks which may not seem obviously visual can be boosted so impressively by glasses.
"Nearly 90% of workers were still wearing their glasses by the end of the study and virtually all were willing to pay to replace them if needed– people knew they were benefitting from better vision."
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