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Focimeter
  1. Richard Keeler,
  2. Arun Singh,
  3. Harminder Dua

    Statistics from Altmetric.com

    Courtesy of Mr Richard Keeler, Curator, Museum of the Royal College of Ophthalmologists

    Focimeters allow accurate determination of the spherical and cylindrical power of lenses and also indicate the axis of the cylinder. …

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