Ferdinand Monoyer

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  • Google Doodle honours inventor of eye test

    Google Doodle honours inventor of eye test

    Google on Tuesday paid tribute to Ferdinand Monoyer, a French ophthalmologist who showed us the way to measure eye sight. Born in 1836, Monoyer developed the diopter, the unit of measurement for vision that is still used today.  The diopter......

    May 9, 2017