• Bundhit Tantiwongkosi and Mahmood F Mafee.
• Division of Neuroradiology, Department of Radiology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, Mail Code 7800, San Antonio, TX 78229, USA; Department of Otolaryngology-Head Neck Surgery, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, Mail Code 7800, San Antonio, TX 78229, USA; Imaging Service, South Texas Veterans, 7400 Merton Minter, San Antonio, TX 78229, USA. Electronic address: tantiwongkos@uthscsa.edu.
• Neuroimaging Clin. N. Am. 2015 Aug 1;25(3):395-410.

AbstractOptic neuropathy involves loss of visual acuity, color vision, and visual field defect with a swollen, pale, anomalous, or normal optic disc seen on fundoscopy. Chiasmal disorders classically present with gradual onset of vision loss, bitemporal hemianopsia, and occasionally, endocrinopathy if the pituitary gland and/or hypothalamus are the causes or are involved. Advance in neuroimaging, especially magnetic resonance (MR) imaging, can reveal pathologic conditions previously detected only clinically. Some entities have imaging characteristics, leading to appropriate treatment without requiring tissue biopsies. Imaging also provides disease surveillance and posttreatment assessment, with computed tomography and MR imaging being complementary to each other.Published by Elsevier Inc.

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