Vision; Its Optical Defects. and the Adaptation of Spectacles, Embracing First, Physical Optics Second, Physiological Optics Third, Errors of Refraction and Defects of Accommodation, or Optical Defects of the Eye
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Vision; Its Optical Defects. and the Adaptation of Spectacles, Embracing First, Physical Optics Second, Physiological Optics Third, Errors of Refraction and Defects of Accommodation, or Optical Defects of the Eye
