In an interesting and enlightening article entitled "Subnormal Accommodation"1 Dr. Avery De Hart Prangen brought out the close relation between low accommodative power, or paresis of accommodation, and dental diseases. The following case report has been submitted to Dr. Prangen, who agrees with me that it is of unusual interest, particularly as it bears out his assertions.
D. M., a white youth aged 18, first appeared in my office on Sept. 27, 1940. He complained that he could not read at all and was unable to keep up his work in school. The condition had been becoming gradually worse for the past two years. He had no headaches nor any complaint regarding his eyes except that he was unable to read. He had never worn glasses. He was strong and healthy. Physical examination failed to reveal any pathologic condition except a low grade involvement of the antrums and a