Plain Facts for Old and Young by John Harvey Kellogg

natural brilliancy, they are sunken, present red edges, are somewhat sore, perhaps, and are surrounded by a dark ring, the patient, especially if a child, should be suspected and carefully watched. It should be observed, however, that dyspepsia, debility from any cause, and especially loss of sleep, will produce some or all of these signs, and no one should be accused of the vice upon the evidence of these indications alone, neither could he be justly suspected so long as his symptoms could be accounted for by legitimate causes.