To understand the complex imaging anatomy of the neuro- ophthalmological relay pathway. To review the imaging appearances of the diverse spectrum of neoplastic and non- neoplastic lesions that can cause binocular diplopia.
or double vision,
is the hallmark of retinal disparity.
This phenomenon usually occurs when fusion is disturbed,
which is defined as the unification of visual excitations from the corresponding retinal images into a single visual percept. A complete neuro-ophthalmological examination is essential for accurate localisation. Because of a very high prevalence of structural,
infectious and inflammatory causes,
the patient’s age at presentation is an important consideration when working...
Findings and procedure details
(I) Imaging of a patient with diplopia.
 “Red flag signs” that require immediate imaging: 1] Acute cranial nerve palsy,
3rd nerve palsy with diplopia associated with thunderclap headache à Ruptured intracranial aneurysm. 2] Sudden onset proptosis with painful ophthalmoplegia and diplopia à Cavernous sinus thrombosis. 3] Severe headache,
lateral rectus palsy with diplopia in lateral gaze of the involved eye à false localizing sign of raised...
MRI is a useful diagnostic tool in identifying the site of and characterizing the pathology causing diplopia and it can also aid in the surgical approach to these lesions.
We have classified these lesions based on anatomic zones and pathology to aid in reaching a focussed differential diagnosis.
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