Syo Ishikawa

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The eye movements of 15 patients with Vogt-Koyanagi-Harada (VKH) syndrome were analysed. Transient dizziness occurred in 60% of the patients. Eight patients (53%) exhibited horizontal jerk nystagmus that was completely inhibited by visual fixation. Eight cases (53%) exhibited the elevation of vestibulo-ocular reflex (VOR) gain in darkness. Six of the(More)
Toxic effects on the retina by oral administration of thioridazine was investigated by electroretinography (ERG) using male Wistar rats. An obvious reduction followed by a disappearance in the O2 component of the oscillatory potentials of the ERG was seen in a dose-dependent manner. The minimum dosage given to produce the above change was 3 mg/kg/day for 7(More)
Complete removal of the posterior hyaloid is an important procedure in vitrectomy for various vitreoretinal disorders. Although posterior vitreous detachment (PVD) can be usually induced by active aspiration of vitreous gel, it is difficult in cases where the posterior hyaloid attaches tightly to the retina, especially in minimum incision vitrectomy systems(More)
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