The Mind of the Child, Part II: The Development of the Intellect, International Education; Series Edited By William T. Harris, Volume IX.Preyer, William T.
Science
The Mind of the Child, Part II: The Development of the Intellect, International Education; Series Edited By William T. Harris, Volume IX.
Preyer, William T.
Child development; Child psychology
In regard to the other case, Ware writes: "In the instance of a
young gentleman from Ireland, fourteen years old, from each of
whose eyes I extracted a cataract in the year 1794, and who,
before the operation, assured me, as did his friends, that he
had never seen the figure of any object, I was astonished by the
facility with which, on the first experiment, he took hold of my
hand at different distances, mentioning whether it was brought
nearer to or carried farther from him, and conveying his hand to
mine in a circular direction, that we [Ware and another
physician] might be the better satisfied of the accuracy with
which he did it." In this case, as in others of like nature,
Ware could not, "although the patients had certainly been blind
from early infancy," satisfy himself "that they had not, before
this period, enjoyed a sufficient degree of sight to impress the
image of visible objects on their minds, and to give them ideas
which could not afterward be entirely obliterated."
Ware found, moreover, that, in the case of two children between seven
and eight years of age, both blind from birth, and on whom no operation
had been performed, the knowledge of colors, limited as it was, was
sufficient to enable them to tell whether colored objects were brought
nearer to or carried farther from them; for instance, whether they were
at the distance of two inches or four inches from their eyes; and he
himself observes that they were not, in strictness of speech, blind,
though they were deprived of all useful sight.
Remarks on the Second and Third Cases.
Public-domain text, read in full here on John Shaqi.
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