Syo Ishikawa

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It has recently been demonstrated that the tonic level of accommodation is related to the loading of accommodative work. The aim of the present study was to investigate the effect of a sustained accommodative stimulus on the tonic level of accommodation, pupil, and convergence, i.e., the near triad, in three different groups of young (20-39 years) subjects,(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)
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)
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