Affiliation: | (1) Department of Neurology, Tokyo Metropolitan Neurological Hospital, 2-6-1 Musashidai, Fuchu, Tokyo 183, Japan Tel.: +81-423-23-5110, Fax: +81-423-22-6219. E-mail: CXJ03576@niftyserve.or.jp, JP;(2) Department of Neuro-ophthalmology, Tokyo Metropolitan Neurological Hospital, 2–6–1 Musashidai, Fuchu, Tokyo 183, Japan, JP;(3) Tokyo Metropolitan Fuchu Hospital, 2-9-2 Musashidai, Fuchu, Tokyo 183, Japan, JP |