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  1. Article

    Open Access

    Image sharpening algorithms improve clarity of surgical field during 3D heads-up surgery

    Image-sharpening algorithms with color adjustments enable real-time processing of the surgical field with a delay of 4 msec for heads-up surgery using digital three-dimensional displays. The aim of this study ...

    Kosuke Nakajima, Makoto Inoue, Aya Takahashi in International Journal of Retina and Vitreo… (2023)

  2. Article

    Open Access

    Distance between the center of the FAZ measured automatically and the highest foveal bulge using OCT-angiography in elderly healthy eyes

    The center of the fovea, termed the foveola, is the area of highest visual acuity, has the highest density of cone photoreceptors. We investigated the distance between the automatically-determined center of th...

    Takuhei Shoji, Hirokazu Ishii, Junji Kanno, Takanori Sasaki in Scientific Reports (2021)

  3. Article

    Open Access

    Age-dependent changes in visual sensitivity induced by moving fixation points in adduction and abduction using imo perimetry

    Visual field (VF) testing has usually been performed with the central gaze as a fixed point. Recent publications indicated optic nerve head deformations induced by optic nerve traction force can promote the pr...

    Takuhei Shoji, Izumi Mine, Tomoyuki Kumagai, Akane Kosaka in Scientific Reports (2020)

  4. Article

    Open Access

    Glaucomatous vertical vessel density asymmetry of the temporal raphe detected with optical coherence tomography angiography

    Changes in retinal vasculature and ocular circulation may play an important role in the glaucoma development and progression. We evaluated the vertical asymmetry across the temporal raphe of the deep retinal l...

    Yuji Yoshikawa, Takuhei Shoji, Junji Kanno, Hisashi Ibuki in Scientific Reports (2020)

  5. Article

    Open Access

    Development and spontaneous closure of a secondary macular hole associated with submacular hemorrhage due to polypoidal choroidal vasculopathy: a case report

    Macular hole (MH) is a retinal break in the fovea involving partial or complete dehiscence of the neural retinal layers affecting the visual quality by decreasing visual acuity (VA) and visual deformation. We ...

    Minami Chino, Yuji Yoshikawa, Junji Kanno, Takamitsu Nagashima in BMC Ophthalmology (2020)

  6. Article

    Open Access

    Author Correction: Electroretinographic recordings with skin electrodes to assess effects of vitrectomy with gas tamponade on eyes with rhegmatogenous retinal detachment

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    Masayuki Shibuya, Yuji Yoshikawa, Takeshi Katsumoto, Takuhei Shoji in Scientific Reports (2020)

  7. Article

    Open Access

    Electroretinographic recordings with skin electrodes to assess effects of vitrectomy with gas tamponade on eyes with rhegmatogenous retinal detachment

    The purpose of this study was to evaluate the retinal function by electroretinograms (ERGs) recorded with the RETeval system using skin electrodes after pars plana vitrectomy (PPV) with gas tamponade in eyes w...

    Masayuki Shibuya, Yuji Yoshikawa, Takeshi Katsumoto, Takuhei Shoji in Scientific Reports (2019)

  8. Article

    Open Access

    Effect of N-arachidonoyl-(2-methyl-4-hydroxyphenyl) amine (VDM11), an anandamide transporter inhibitor, on capsaicin-induced cough in mice

    Several observations have suggested that anandamide, an endogenous cannabinoid ligand, plays an important role in the modulation of cough sensitivity. However, it is unknown whether the anandamide membrane tra...

    Junzo Kamei, Yuji Yoshikawa, Akiyoshi Saitoh in Cough (2006)

  9. No Access

    Article

    Role of δ-opioid receptor subtypes in anxiety-related behaviors in the elevated plus-maze in rats

    Recent studies have shown that endogenous opioid systems are associated with the regulation of emotional responses. In particular, it has been reported that δ-opioid receptors act naturally to inhibit stress a...

    Akiyoshi Saitoh, Yuji Yoshikawa, Kenji Onodera, Junzo Kamei in Psychopharmacology (2005)

  10. No Access

    Article

    Abstracts of selected papers presented at the 30th Annual Meeting of the Japanese Society of Gastroenterology October 20–22, 1988 — Kagoshima, Japan

    Ichiro Oda, Kaoru Ogawa, Shuichi Okada, Keiichi Ueno in Gastroenterologia Japonica (1990)