T1-weighted coronal MRIs. Note the diffuse enlargement of both optic nerves, the optic chiasm and both optic tracts. One can easily appreciate the infiltration of these structures, especially when ...

Classically, patients with lesions of the chiasm present with progressive loss of peripheral vision in a bitemporal distribution. [5, 6] Headache may or may not be present.

References ORIGINAL RESEARCH PAPERS Williams, S. E. Ephrin-B2 and EphB1 mediate retinal axon divergence at the optic chiasm. Neuron 39, 919–935 (2003) Article CAS Google Scholar ...