1426 



A MANUAL OF ANATOMY 



Fig. 599. — Scheme indicating the Course of the Optic Nerve-fibres 

 FROM the Retina to the Cerebral Cortex (L. Testut's ' Anatomie 



HUMAINE '). 



a.s. Left Eye 

 o.ii. Right Eye 



t. Temporal Zone of Retina 

 ft. Nasal Zone of Retina 

 T.N. Temporal and Nasal Por- 

 tions of the Field of Vi- 

 sion for the Left Eye 

 T'N'. The corresponding por- 

 tions of the Right Eye 

 D. The Right Half, and S, 

 the Left Half, of the 

 Field of Vision 



1. Optic Nerve 



1'. Its Direct Fibres (in red) 

 i". Its Crossed Fibres (in yel- 

 low on left side, and blue 

 on right side) 



2. Optic Commissure 



3. Optic Tract 



3'. Direct Fibres of Optic 



Tract 

 3". Crossed Fibres of Optic 



Tract 

 3"'. Commissure of Gudden • 



Nuclei of Interruption 

 Optic Radiation 

 Direct Fibres 

 Crossed Fibres 

 Cerebral Cortex (Mesial 



Aspect of Occipital 



Lobe) 

 Posterior Cornu of Lateral 



Ventricle 



