 | 1878 - 766 lehte
...softORIGINAL COMMUNICATIONS. 65f ening, give rise to extension of the membranes. Now, in connection with the causes mentioned, the injurious effect of...is, by imperfect illumination, still more increased. "To this it is to be ascribed that in schools where, by bad light, the pupils read bad print or write... | |
 | George Cuvier Harlan - 1879 - 150 lehte
...in the eye which, tending to softening, give rise to extension of the membranes. Now, in connection with the causes mentioned, the injurious effect of...is, by imperfect illumination, still more increased. " To this it is to be ascribed that in schools where, by bad light, the pupils read bad print, or write... | |
 | George Black (M.D.) - 1880 - 168 lehte
...in the eye which, tending to softening, give rise to extension of the membranes. Now, in connection with the causes mentioned, the injurious effect of...is, by imperfect illumination, still more increased. " To this it is to be ascribed that in schools where, by bad light, the pupils read bad print, or write... | |
 | National Education Association of the United States - 1881 - 372 lehte
...processes in the eye which tending to softening, give rise to extension of the membranes. Now in connection with the causes mentioned, the injurious effect of...is, by imperfect illumination, still more increased. "To this it is to be ascribed that in schools where, by bad light, the pupils read bad print or write... | |
 | National Educational Association (U.S.) - 1881 - 372 lehte
...processes in the eye which tending to softening, give rise to extension of the membranes. Now in connection with the causes mentioned, the injurious effect of...is, by imperfect illumination, still more increased. "To this it is to be ascribed that in schools where, by bad light, the pupils read bad print or write... | |
 | United States. Bureau of Education, United States. Office of Education - 1881 - 378 lehte
...the eye, which, tending to softening, gi ve rise to extension of the membranes. Now, in connection with the causes mentioned, the injurious effect of...is, by imperfect illumination, still more increased. To this it is to be ascribed that in schools where, by bad light, the pupils read bad print or write... | |
 | Medical Society of the State of New York (1807- ) - 1887 - 800 lehte
...in the eye, which, tending to softening, give rise to extension of the membranes. Now, in connection with the causes mentioned, the injurious effect of...is by imperfect illumination still more increased. To this it is to be ascribed that in schools where, by bad light, the pupils read bad print or write... | |
 | 1897 - 918 lehte
...pole is explained by the want of support from the muscles of the eye at that part. Now, in connection with the causes mentioned, the injurious effect of...that the work be brought closer to the eyes, and that the stooping position of the head, particularly in reading and writing, be»also increased. Hence it... | |
 | Daniel Coit Gilman, Harry Thurston Peck, Frank Moore Colby - 1906 - 936 lehte
...pole is explained by the want of support from the muscles of the eye at that part. Now, in connection with the causes mentioned, the injurious effect of...that the work be brought closer to the eyes, and that the stooping position of the head, particularly in reading and writing, is also increased. Hence it... | |
 | Frank Moore Colby, Talcott Williams - 1922 - 1022 lehte
...principally at the posterior pole is explained by want of support there from the muscles of the eye. Also, the injurious effect of fine work is, by imperfect illumination, still more increased; for thus the work must he brought closer to the eyes, and the stooping position of the head, particularly in... | |
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Congestive processes in the eye which tending to softening, give rise to extension of the membranes. Now in connection with the causes mentioned, the injurious effect of fine work is, by imperfect illumination, still more increased. "To this it is to... 