Teaching NeuroImage: Convergence spasm associated with midbrain compression by cerebral aneurysm
Citation Manager Formats
Make Comment
See Comments

A 72-year-old woman presented with intermittent diplopia. She had a history of vascular disease, but no history of stroke or psychiatric disturbance. On examination, she developed convergence spasm with associated miosis following fixation on near targets and during horizontal smooth pursuit (video, figure 1). The spasms were terminated with a blink. She had no ptosis, her eye movements were normal in range, and her pupils were equal in size with normal reactions to light. Neurologic examination was otherwise unremarkable. Five years prior to her current presentation, a left-sided terminal carotid artery aneurysm had been incidentally detected. The …
Letters: Rapid online correspondence
REQUIREMENTS
If you are uploading a letter concerning an article:
You must have updated your disclosures within six months: http://submit.neurology.org
Your co-authors must send a completed Publishing Agreement Form to Neurology Staff (not necessary for the lead/corresponding author as the form below will suffice) before you upload your comment.
If you are responding to a comment that was written about an article you originally authored:
You (and co-authors) do not need to fill out forms or check disclosures as author forms are still valid
and apply to letter.
Submission specifications:
- Submissions must be < 200 words with < 5 references. Reference 1 must be the article on which you are commenting.
- Submissions should not have more than 5 authors. (Exception: original author replies can include all original authors of the article)
- Submit only on articles published within 6 months of issue date.
- Do not be redundant. Read any comments already posted on the article prior to submission.
- Submitted comments are subject to editing and editor review prior to posting.
You May Also be Interested in
Use of Whole-Genome Sequencing for Mitochondrial Disease Diagnosis
Dr. Robert Pitceathly and Dr. William Macken
► Watch
Topics Discussed
Alert Me
Recommended articles
-
Articles
Convergent-Divergent Pendular NystagmusPossible Role of the Vergence SystemL. Averbuch-Heller, A. Z. Zivotofsky, B. F. Remler et al.Neurology, March 01, 1995 -
Articles
Abnormal vergence with upper brainstem infarctsPseudoabducens palsyP. Pullicino, N. Lincoff, B.T. Truax et al.Neurology, August 08, 2000 -
ARTICLES
Contralesionally beating torsional nystagmus in a unilateral rostral midbrain lesionChristoph Helmchen, Stefan Glasauer, Klaus Bartl et al.Neurology, August 01, 1996 -
Resident & Fellow Section
Pearls & Oy-sters: Anisocoria Greater in the Dark: It's Not Just All About Horner PupilEmily Witsberger, Sasha A. Mansukhani, John J. Chen et al.Neurology, November 18, 2020