Congenital Vertical Pendular Nystagmus in Sisters
作者:
Kazuyoshi Funahashi,
Toshikazu Kuwata,
Michio Yabumoto,
Mitsukazu Nakai,
Norihiko Komai,
Emiko Ohmi,
期刊:
Ophthalmologica
(Karger Available online 1988)
卷期:
Volume 196,
issue 3
页码: 137-142
ISSN:0030-3755
年代: 1988
DOI:10.1159/000309890
出版商: S. Karger AG
关键词: Congenital vertical pendular nystagmus;Optokinetic nystagmus
数据来源: Karger
摘要:
Sisters with congenital vertical nystagmus are described in this report. In these 2 cases, the nystagmus on the electronystagmogram (ENG) showed a pure pendular pattern on forward gaze. Neurological examinations revealed no abnormality except for the nystagmus and visual disturbance. In the elder sister, the ENG showed that the intensity of the nystagmus decreased during eye closure and that there was no response to vertical optokinetic stimulation. We believe that the elder sister is the first case of congenital vertical pendular nystagmus confirmed by neuro-otological and neuro-ophthalmological examinations.
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