Blindness – Is it an Optic Tract Lesion?

Описание: In the third video of the Neuro-ophthalmology playlist, I continue an in-depth exploration of how to localise vision loss in veterinary neurology—focusing on the challenging diagnosis of optic tract lesions.
Using clear neuroanatomical illustrations, real clinical case studies, and structured diagnostic reasoning, I explain how to accurately neuro-localise visual deficits and distinguish central (post-chiasmatic) causes of blindness.
Whether you're a general practice vet or a veterinary student, this video is a valuable resource to better understand the art of neuro-localisation—especially in complex or multifocal cases.
For those undertaking advanced training in neurology or ophthalmology, it offers a practical and clinically relevant approach to assessing blindness and neurological disease in small animals.
Topics covered include:
• How to test for vision and light reflexes (PLR, swinging flashlight test)
• Visual pathway anatomy and key structures
A detailed clinical case with multifocal signs including circling and visual deficits including Interpretation of clinical, MRI, and CSF findings and the diagnosis and management of Meningoencephalitis of Unknown Origin (MUO - subtypes GME, NME, and NLE)
Recommended reading:
“Neuroanatomical Reconstruction of the Canine Visual Pathway Using Diffusion Tensor Imaging” (Frontiers in Neuroanatomy, 2020)
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@clare-neurovet
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