A PROBLEM OF SPLIT MACULA

Abstract
The course and function of various fasciculi of the optic pathway have held the interest of ophthalmologists and neuroanatomists for many generations because knowledge in this field has a broad application to the diagnosis and treatment of ocular and cerebral disease. There are two general avenues of approach for studies of these fiber bundles. One may produce experimental lesions in various laboratory animals and study the resulting progress of fiber degeneration, or one may make functional studies on human beings who are suffering from certain localized lesions. The difficulties in making functional studies on the visual apparatus of even the subhuman primates are such that one cannot relate degenerative lesions to specific functional defects. For instance, accurate studies of visual acuity and visual fields are necessary to identify the defects caused by the damage to a particular group of fibers. It is recognized that such studies cannot be made on

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