Ocular myasthenia with motility pattern mimicking bilateral internuclear ophthalmoplegia. Lag of adducting eye on right (A) and left (C) gaze, relieved with edrophonium (Tensilon) (B and D). Convergence before (E) and after (F) edrophonium administration. Note relief of ptosis (B and D). (Glaser JS: Myasthenic pseudointernuclear ophthalmoplegia. Arch Ophthalmol 75:363, 1966. Copyright © 1966, American Medical Association)

Ocular myasthenia with motility pattern mimicking bilateral internuclear ophthalmoplegia. Lag of adducting eye on right (A) and left (C) gaze, relieved with edrophonium (Tensilon) (B and D). Convergence before (E) and after (F) edrophonium administration. Note relief of ptosis (B and D). (Glaser JS: Myasthenic pseudointernuclear ophthalmoplegia. Arch Ophthalmol 75:363, 1966. Copyright © 1966, American Medical Association)

Bilateral Internuclear Ophthalmoplegia in Multiple Sclerosis - Getaw Worku Hassen, M.D., Ph.D., and Namita Bhardwaj, M.D.    N Engl J Med 2013; 368:e3January 17, 2013.   The patient had an adduction deficit in the right eye and nystagmus in the left eye on leftward gaze (Panel A). He also had an adduction deficit in the left eye and nystagmus in the right eye on rightward gaze (Panel B). Upward gaze (Panel C), downward gaze (Panel D), and normal primary position (Panel E) were unremarkable.

Bilateral Internuclear Ophthalmoplegia in Multiple Sclerosis - Getaw Worku Hassen, M.D., Ph.D., and Namita Bhardwaj, M.D. N Engl J Med 2013; 368:e3January 17, 2013. The patient had an adduction deficit in the right eye and nystagmus in the left eye on leftward gaze (Panel A). He also had an adduction deficit in the left eye and nystagmus in the right eye on rightward gaze (Panel B). Upward gaze (Panel C), downward gaze (Panel D), and normal primary position (Panel E) were unremarkable.

Eye Movements Disorders ( Internuclear Ophthalmoplegia ) 8/34

Eye Movements Disorders ( Internuclear Ophthalmoplegia ) 8/34

▶ MLF syndrome - Internuclear Ophthalmoplegia, MADE EASY - YouTube

▶ MLF syndrome - Internuclear Ophthalmoplegia, MADE EASY - YouTube

Test of Extraocular Muscle Function in a Patient with Internuclear Ophthalmoplegia.

Test of Extraocular Muscle Function in a Patient with Internuclear Ophthalmoplegia.

Stroke syndromes associated with DWI-negative MRI include ataxic hemiparesis and isolated internuclear ophthalmoplegia

Stroke syndromes associated with DWI-negative MRI include ataxic hemiparesis and isolated internuclear ophthalmoplegia

Lesion of the medial longitudinal fasciculus (MLF) resulting in internuclear ophthalmoplegia (INO)

Lesion of the medial longitudinal fasciculus (MLF) resulting in internuclear ophthalmoplegia (INO)

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