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Start Over Subjects Visual Acuity ✖Remove constraint Subjects: Visual Acuity Titles A new series of metric test-letters and words for determining the amount and range of accomodation ✖Remove constraint Titles: A new series of metric test-letters and words for determining the amount and range of accomodation Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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  • A new series of metric test-letters and words for determining the amount and range of accomodation1