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Kyungmi Oh 2 Articles
Jerky Seesaw Nystagmus in Isolated Internuclear Ophthalmoplegia
Kyungmi Oh, Jae Hong Chang, Kun Woo Park, Dae Hie Lee, Kwang Dong Choi, Ji Soo Kim
J Korean Bal Soc. 2005;4(1):49-52.
  • 1,843 View
  • 13 Download
AbstractAbstract PDF
The authors report jerky seesaw nystagmus, extorsional downbeating in the right eye and intorsional upbeating in the left eye, in a patient with right internuclear ophthalmoplegia (INO). This pattern of nystagmus may occur by disrupting pathways from contralateral posterior and anterior semicircular canals by a lesion in the medial longitudinal fasciculus. Depending on damage to the pathways from contralateral vertical canals, various patterns of dissociated torsional-vertical nystagmus may accompany INO.
Possible Mechanism of Seesaw Nystagmus in Internuclear Ophthalmoplegia
Ji Soo Kim, Kwang Dong Choi, Ja Won Koo, Kyungmi Oh, Jae Hong Chang, Kun Woo Park, Dae Hie Lee, Gyu Cheol Han
J Korean Bal Soc. 2004;3(2):413-416.
  • 1,756 View
  • 10 Download
AbstractAbstract PDF
The authors report jerky seesaw nystagmus, extorsional downbeating in the ipsilesional eye and intorsional upbeating in the contralesional eye, in a patient with internuclear ophthalmoplegia (INO) from focal pontine lesion. This pattern of nystagmus may occur by disrupting pathways from contralateral posterior and anterior semicircular canals by a lesion in the medial longitudinal fasciculus. Depending on the pathways involved, various patterns of dissociated torsional-vertical nystagmus may accompany INO.

Res Vestib Sci : Research in Vestibular Science