Publications by authors named "Kenji Yuda"
Purpose: The aim of this study was to describe the efficacy of Descemet membrane endothelial keratoplasty (DMEK) in patients with corneal endothelial decompensation secondary to a forceps-induced corneal birth injury.
Methods: This was a retrospective, noncomparative, interventional case series. Four eyes of 4 patients (1 female and 3 males; mean age, 64.
Purpose: The aim of this study was to investigate the Descemet membrane endothelial keratoplasty (DMEK) rejection rate after COVID-19 vaccination with an mRNA vaccine.
Methods: This was a multicenter, retrospective cohort study. A total of 198 patients who underwent DMEK between January 2006 and December 2020 were divided into 2 cohorts: consecutive patients who received at least 1 COVID-19 vaccination in 2021 (vaccination started from February 2021 in Japan) and nonvaccinated patients (control cohort).
This study evaluated changes in corneal nerves and the number of dendritic cells (DCs) in corneal basal epithelium following Descemet membrane endothelial keratoplasty (DMEK) surgery for bullous keratopathy (BK). Twenty-three eyes from 16 consecutive patients that underwent DMEK for BK were included. Eyes of age-matched patients that underwent pre-cataract surgery (12 eyes) were used as controls.
View Article and Find Full Text PDFBackground: Superior oblique myokymia (SOM) is a rare disorder characterized by episodic microtremor of the eyeball. in patients with SOM, intermittent contraction of the superior oblique muscle causes irregular and rotatory eye movement, causing oscillopsia and diplopia. Microvascular decompression (MVD) of the trochlear nerve is potentially a definitive treatment method for SOM; however, owing to its rarity, this disorder is not well-known to neurosurgeons, and thus the optimal surgical approach has not yet been determined.
View Article and Find Full Text PDFPurpose: To investigate the effects of graft shift orientation on clinical outcomes after Descemet membrane endothelial keratoplasty (DMEK).
Methods: This study used intraoperative video images to retrospectively examine the effect of graft shift direction in 50 eyes of 50 patients. Correlations were assessed between graft shift direction and multiple parameters.
Purpose: To compare the retinal blood flow velocity using laser speckle flowgraphy (LSFG) and a retinal function imager (RFI) in healthy Japanese subjects.
Methods: This study included a total of 15 eyes of 15 healthy Japanese subjects (mean age, 41.7 ± 17.
Article Synopsis
- - Myopia is increasingly common among school-age children in industrialized countries, especially in Asia, and many still experience low visual acuity; a new training method has been developed to enhance vision through a noninvasive technique that stimulates pupil constriction during viewing distances.
- - The study involved 95 myopic children who underwent training sessions that involved alternating focus on near and far visual objects, with the training lasting from 12 to 106 weeks; the object size and brightness were kept constant throughout the exercises.
- - Results showed that 85% of trained participants experienced significant improvements in visual acuity, with some maintaining their gains for over 50 weeks, highlighting the effectiveness of this training approach in improving vision quality among those with