Wonders of vision : a treatise on the eye : containing discoveries of the causes of near and far sightedness, and of the affections of the retina : with remarks on the use of medicines as substitutes for spectacles / by William Clay Wallace.

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Wonders of vision : a treatise on the eye : containing discoveries of the causes of near and far sightedness, and of the affections of the retina : with remarks on the use of medicines as substitutes for spectacles / by William Clay Wallace. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)