Detachment of the retina ordinarily presents no problem in its diagnosis to the average clinician. Occasionally it is difficult to state whether the detachment is due to an accumulation of fluid posterior to the retina or whether the retina is pushed forward by a neoplasm. In the cases to be reported, virtually all of the classic diagnostic features were absent, and it was some time before a definite diagnosis could be offered and a theory advanced to account for the picture presented. Even then the diagnosis was not concurred in, although the theoretical explanation offered was conceded to be attractive. It was not until about eight months after the first patient was seen, when a patient with an exact duplicate of the case appeared and was hospitalized for study, during which spontaneous reattachment took place, that the diagnosis was definitely confirmed.
The fundus in case 1. Note the faint