Spectacles and Asthenopia

  • John Roosa
  • Published 2017
There are certain facts with which many of us are familiar enough, which, nevertheless, will bear repetition, and among them may be placed one to which Dr. St. John Roosa has lately called attention, viz., that asthenopia may be but an early symptom of neurasthenia. A point of interest on which Dr. Roosa insists is that it is not every case of hypermetropia… CONTINUE READING