TITLE:
Surgical Treatment of a Patient with See-Saw Nystagmus (SSN): Case Report
AUTHORS:
Lelio Sabetti, Gianluca Murano, Francesca Guetti
KEYWORDS:
Case Report, See-Saw Nystagmus, Surgery, Vertical Muscles Recession, Abnormal Head Position (AHP)
JOURNAL NAME:
Open Journal of Ophthalmology,
Vol.10 No.4,
November
10,
2020
ABSTRACT: Background: Acquired See-saw Nystagmus (SSN) is a rare
form of nystagmus characterized by elevation and intorsion of one eye with synchronous
depression and intorsion of the contralateral eye in the first half cycle, followed
by a reversal in the direction of the movements during the next half cycle. We herein
report a case of a 47-year-old woman with a 3-year history of constant diplopia
as a consequence of multiple neurosurgical interventions due to hemorrhage from
a cavernous angioma located in the subthalamic region. She also had a history of
major depressive disorder and ulcerative colitis. The patient underwent a surgical
intervention with a 5 mm bilateral recession of the superior and inferior rectus
muscles. Five years after surgery, the patient reported less recurrent and prominent
episodes of transient horizontal deviation with horizontal diplopia, with a prevalence
of well-being and comfort.