"Visual defect" Quotes from Famous Books
 ... objects must, to them, be abstract or complex terms, as all such necessarily are, that cannot be the objects of perception. The other sensitive organs, and especially the touch, to a limited extent, become the substitutes for visual defect, although they are no actual compensations for sight. By models the blind can become acquainted with alphabetic characters, and unite them into words: and in the same manner discriminate, and record the musical notes. Some of the blind have become highly intelligent, ...
— On the Nature of Thought - or, The act of thinking and its connexion with a perspicuous sentence • John Haslam |
