Excerpt from Conserving Vision: An Essay on the Prevalence of Poor Eyesight and the Relations of Eyestrain, Illumination, Structural Defects of the Eye, Accidents, and Eye Diseases, to the Conservation of Vision
Yet the eye has been the victim of serious abuse and neglect, and the mistreatment is reflected in present conditions, which are little realized and have been given but slight attention. In the United States there are estimated to be persons totally or practically blind. And most of this blindness is preventable. But there is another situation of far more gravity.
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HRD. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780484782524
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HRD. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780484782524
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