Abstract
The patient with the tubular fields of hysterical amblyopia poses an interesting series of problems for the ophthalmologist. Since the size of his peripheral fields does not vary either as a function of distance from stimulus objects or as a function of the size of stimulus objects, his visual process is incompatable with optical laws. On the other hand, there is some sort of lawful relationship present, since the fields of these patients are relatively stable. This observation leads to the question as to what variables determine this phenomenon. It is a question with many aspects. We desire to know, for example, if the constricted fields are peculiar to the test situation and, if not, whether the person is unaware of all objects in the periphery or merely some. If he is unaware of only some objects, what sort of objects are they? The possibility must also be considered that
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