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 Indian J Med Microbiol  
 

Figure 27: Compressive optic neuropathy: Vascular. Coronal STIR and MR angiography images of a 59-year-old male with gradual diminishing vision in both eyes show compression of optic chiasma by right A1 segment superiorly (arrow) and by left PCOM from the inferior aspect (dotted arrow) resulting in distortion of chiasma

Figure 27:  Compressive optic neuropathy: Vascular. Coronal STIR and MR angiography images of a 59-year-old male with gradual diminishing vision in both eyes show compression of optic chiasma by right A1 segment superiorly (arrow) and by left PCOM from the inferior aspect (dotted arrow) resulting in distortion of chiasma