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. Credit: 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.). Public Domain Mark