A study of several hundred visual fields of patients with pathologic lesions at the chiasmal region in some temporal fields demonstrates a kind of paracentral hemicircular (PCHC) bundle scotoma which was not connected...
A study of several hundred visual fields of patients with pathologic lesions at the chiasmal region in some temporal fields demonstrates a kind of paracentral hemicircular (PCHC) bundle scotoma which was not connected with the blind spot. The particular pattern of these scotomas prompts the authors to advance a new concept on the chiasmal architecture and its projection on the retina. That is each paracentral fiber bundle on the retina divides into different districts, the fibers from the corresponding districts of each bundle weave compactly into the exact lamella in the chiasma, and with this presumed fiber arrangement, there is the resultant appearance of PCHC bundle scotoma.
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