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Archive Home > 2009 > January > 11 > Self-adjusting lenses invented for the poor

Self-adjusting lenses invented for the poor


January 11, 2009

OXFORD, England — Joshua Silver remembers the first day he helped a man see.

Henry Adjei-Mensah, a tailor in Ghana, could no longer see well enough to thread the needle of his sewing machine. He was too poor to afford glasses or an optometrist. Then Silver, an atomic physicist who also....

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