Standardization of Some of the Common Tests Used in Determining the Acuteness of Vision of School Children: A Thesis (Classic Reprint) - Softcover

McCallie, Joseph Madison

 
9781333300524: Standardization of Some of the Common Tests Used in Determining the Acuteness of Vision of School Children: A Thesis (Classic Reprint)

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Excerpt from Standardization of Some of the Common Tests Used in Determining the Acuteness of Vision of School Children: A Thesis

Most, if not all of the tests, both letters and characters used for testing the acuteness of school children are based, in theory, at least, upon the Snellen test letters.

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