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Japanese Journal of Ophthalmology

Seiji Takagi, Michiko Mandai, Yasuhiko Hirami, Sunao Sugita, Masayo Takahashi, Yasuo Kurimoto
PURPOSE: Stem cell therapy is a potential treatment for retinal disorders. We are currently exploring treating HLA matched patients of age-related macular degeneration (AMD) by using allogenic retinal pigment epithelium cells derived from induced pluripotent stem cells (iPS-RPE) from human leukocyte antigen (HLA) homozygote donors. The purpose of this study was to investigate the frequency of HLA class I and II alleles and haplotypes in Japanese patients with AMD. STUDY DESIGN: Cross-sectional observation clinical study...
July 12, 2018: Japanese Journal of Ophthalmology
Nattapong Mekhasingharak, Niphon Chirapapaisan, Poramaet Laowanapiban, Sasitorn Siritho, Naraporn Prayoonwiwat, Chanjira Satukijchai, Jiraporn Jitprapaikulsan, Pornsawan Mekhasingharak
PURPOSE: To investigate the correlation between visual function and thinning of the retinal nerve fiber layer (RNFL) and the macular ganglion cell-inner plexiform layer (GCIPL) as measured by optical coherence tomography (OCT) in eyes with aquaporin-4 IgG-positive optic neuritis (AQP4-IgG-positive ON). STUDY DESIGN: Prospective study. METHODS: Patients with a history of ON were categorized into 2 groups: the AQP4-IgG-positive group and the AQP4-IgG-negative group...
July 11, 2018: Japanese Journal of Ophthalmology
Naoko Kato, Kenji Konomi, Megumi Shinzawa, Kozue Kasai, Takeshi Ide, Ikuko Toda, Chikako Sakai, Kazuno Negishi, Kazuo Tsubota, Jun Shimazaki
PURPOSE: We retrospectively investigated the efficacy of corneal crosslinking (CXL) on progressive keratoconus in a Japanese population and compared the outcomes of conventional and accelerated CXL. STUDY DESIGN: A retrospective cohort study METHODS: A total of 108 consecutive eyes in 95 patients (75 men; 21.9 ± 6.2 years) with progressive keratoconus were enrolled. The epithelium was ablated in all eyes. After presoaking the corneal stroma in riboflavin, UV-A was irradiated at 3...
July 10, 2018: Japanese Journal of Ophthalmology
Hiroko Suzuki, Akiko Hikoya, Miwa Komori, Risako Inagaki, Takashi Haseoka, Shinji Arai, Yuri Takagi, Yoshihiro Hotta, Miho Sato
PURPOSE: To evaluate changes in conjunctival-scleral thickness following strabismus surgery with anterior segment optical coherence tomography (AS-OCT). STUDY DESIGN: Prospective, observational, consecutive case series. METHODS: Distances between the conjunctival epithelium and inner scleral wall were measured with AS-OCT before and 3-5 months after strabismus surgery. The measurements were performed at 1.5 mm (limbus), 7.0 mm (insertion), and 8...
July 6, 2018: Japanese Journal of Ophthalmology
Nozomi Kinoshita, Yasuhiro Konno, Naoki Hamada, Yoshinobu Kanda, Machiko Shimmura-Tomita, Akihiro Kakehashi
PURPOSE: To investigate the additive effects of orthokeratology (OK) and atropine 0.01% ophthalmic solution, both of which are effective procedures to slow axial elongation in children with myopia. STUDY DESIGN: Prospective randomized clinical trial. METHODS: Japanese children aged 8-12 years with a spherical equivalent refractive error of - 1.00 to - 6.00 diopters were included. A total of 41 participants who had been wearing the OK lenses successfully for 3 months were randomly allocated into two groups to receive either the combination of OK and atropine 0...
July 4, 2018: Japanese Journal of Ophthalmology
Masashi Ogasawara, Hideki Koizumi, Akiko Yamamoto, Kanako Itagaki, Masaaki Saito, Ichiro Maruko, Annabelle A Okada, Tomohiro Iida, Tetsuju Sekiryu
PURPOSE: To determine factors predictive of visual outcomes in eyes treated with intravitreal aflibercept injections (IAIs) for typical neovascular age-related macular degeneration (AMD) or polypoidal choroidal vasculopathy (PCV). STUDY DESIGN: Retrospective, multicenter, institutional, consecutive, interventional case series. METHODS: One hundred nine eyes (107 patients) with treatment-naïve neovascular AMD at 3 university hospitals were studied...
July 4, 2018: Japanese Journal of Ophthalmology
(no author information available yet)
The Committee for the National Registry of Retinoblastoma1 .
June 22, 2018: Japanese Journal of Ophthalmology
Yoko Akune, Masakazu Yamada, Chika Shigeyasu
PURPOSE: To establish a method for the measurement of 5-fluorouracil (5-FU), and tegafur (FT) in tear samples from patients treated with oral fluoropyrimidine anticancer agent S-1. STUDY DESIGN: Cross-sectional study. METHODS: High performance liquid chromatographic (HPLC) method reported for plasma samples was modified for tear samples. Simulated-tear solutions containing lactoferrin, lysozyme and standard solution containing 5-FU or FT were prepared for preliminary measurements...
June 21, 2018: Japanese Journal of Ophthalmology
Naoki Okumura, Ayaka Kusakabe, Noriko Koizumi, Koichi Wakimasu, Kanae Kayukawa, Masami Kondo, Kazuhiko Mori, Chie Sotozono, Shigeru Kinoshita
PURPOSE: To assess corneal endothelial cell loss after penetrating keratoplasty (PK) treatment for laser iridotomy (LI)-induced bullous keratopathy (BK). METHODS: A retrospective study conducted on consecutive patients who underwent PK between March 2000 and December 2011. Patients who had undergone more than 24 months of follow-up were included. Patients who underwent PK were subcategorized into two groups based on their diagnosis of BK prior to PK; PK was performed to treat either LI-BK or non LI-BK...
May 15, 2018: Japanese Journal of Ophthalmology
Takamasa Mori, Seiji Kitamura, Hirokazu Sakaguchi, Kohji Nishida, Masahito Ohji
BACKGROUND: Three eyes of 2 cases had repeating recurrences and spontaneous closures of macular holes (MHs) after vitrectomy. CASES: A 66-year-old man had rhegmatogenous retinal detachment (RRD) in his left eye and underwent vitrectomy with successful retinal reattachment. A full-thickness MH developed 1 year after the vitrectomy and spontaneously closed 1 month later. Opening and spontaneous closure of the MH recurred an additional 4 times over 7 years. An 80-year-old man had suffered intraocular lens (IOL) dislocation and underwent vitrectomy in his left eye...
May 10, 2018: Japanese Journal of Ophthalmology
Aoi Ono, Kazuyuki Hirooka, Yuki Nakano, Eri Nitta, Akira Nishiyama, Akitaka Tsujikawa
PURPOSE: Retinal ganglion cell (RGC) loss associated with thinning of the retinal nerve fiber layer without elevated intraocular pressure (IOP) occurs after the systemic administration of aldosterone. Since it is important to determine the mechanism of cell death independent of the IOP, we examined gene expression changes in the retina after the systemic administration of aldosterone. METHODS: Following subcutaneous implantation of an osmotic minipump into the mid-scapular region of rats, we administered an 80 μg/kg/day dose of aldosterone...
April 30, 2018: Japanese Journal of Ophthalmology
Ryotaro Ueki, Naoyuki Maeda, Mutsumi Fuchihata, Tomoko Asai, Shizuka Koh, Hisataka Fujimoto, Masafumi Uematsu, Kohji Nishida
PURPOSE: To investigate the corneal biomechanics in eyes with keratectasia following LASIK using a dynamic Scheimpflug analyzer. DESIGN: Case-Control study. METHOD: The subjects in the study included 12 eyes with keratectasia after LASIK (KE), 24 eyes with keratoconus (KC), 17 eyes without keratectasia after LASIK (LASIK), and 34 eyes with normal corneas (Normal). Corneal biomechanics of the four groups were evaluated using a dynamic Scheimpflug analyzer...
April 26, 2018: Japanese Journal of Ophthalmology
Bo Ram Seol, Byeong Wook Yoo, Young Kook Kim, Jin Wook Jeoung, Ki Ho Park
PURPOSE: To compare the changes in macular ganglion cell-inner plexiform layer (GCIPL) defect between stable and progression primary open-angle glaucoma (POAG) groups. STUDY DESIGN: Retrospective observational study. METHODS: A total of 100 POAG eyes with localized retinal nerve fiber layer (RNFL) defect and corresponding macular GCIPL defect were selected for this study. Glaucoma progression was defined by either structural or functional deterioration...
April 25, 2018: Japanese Journal of Ophthalmology
Kazuhiro Tokuda, Byron Baron, Yasuhiro Kuramitsu, Takao Kitagawa, Nobuko Tokuda, Naoyuki Morishige, Masaaki Kobayashi, Kazuhiro Kimura, Kazuyuki Nakamura, Koh-Hei Sonoda
PURPOSE: Numerous fixative solutions are available but many are not amenable to the histomorphological preservation of retinae. The investigators specifically focused on retinal histological studies, which rather than 4% formaldehyde (FA), often use Davidson's fixative. However the latter has its limitations. The purpose of this study was to produce a new fixative which maintains retinae closer to the in vivo conditions. STUDY DESIGN: Experimental design. METHODS: Four fixative formulations (4% paraformaldehyde, Davidson's fixative, modified Davidson's fixative and an in-house fixative - TB-Fix) were tested on retinae and the outcomes on histomorphology and immunohistochemical staining for selected antigenic markers was compared...
April 24, 2018: Japanese Journal of Ophthalmology
Kodai Inata, Dai Miyazaki, Ryu Uotani, Daisuke Shimizu, Atsuko Miyake, Yumiko Shimizu, Yoshitsugu Inoue
PURPOSE: To determine the efficacy of real-time PCR for the diagnosis and prognosis of varicella-zoster virus (VZV) keratitis. STUDY DESIGN: Retrospective case series. METHODS: Patients: 545 consecutive patients with keratitis were examined to quantify copy numbers of VZV DNA by real-time PCR. Association of copy numbers of VZV DNA to clinical signs and disease course was assessed by logistic regression analysis and Cox proportional hazard model...
July 2018: Japanese Journal of Ophthalmology
(no author information available yet)
PURPOSE: To review the clinical findings of retinoblastoma recorded over a period of 32 years by the National Registry of Retinoblastoma in Japan. STUDY DESIGN: Retrospective. METHODS: We reviewed the diagnoses, clinical pictures, and treatment data recorded on a yearly basis from 1983 until 2014 by major Japanese medical facilities. RESULTS: A total of 2360 patients (1225 boys, 1135 girls) were analyzed. Of those, 67...
July 2018: Japanese Journal of Ophthalmology
Sotaro Mori, Takuji Kurimoto, Kaori Ueda, Makoto Nakamura
PURPOSE: To evaluate temporal changes in visual acuity in patients with steroid-resistant optic neuritis (ON) in neuromyelitis optica spectrum disorders (NMOSD) after apheresis. DESIGN: Retrospective observational study, clinical case series SUBJECTS AND METHODS: We reviewed the medical charts of 15 eyes of 9 consecutive patients with ON in NMOSD who underwent apheresis between March 2010 and September 2017. All patients were seropositive for anti-aquaporin 4 (AQP4) antibody and resistant to steroid pulse therapy...
July 2018: Japanese Journal of Ophthalmology
Kenji Inoue, Kyoko Ishida, Goji Tomita
PURPOSE: To compare the effectiveness and safety of either switching from topical prostaglandin (PG) analog monotherapy to topical PG/timolol fixed combination therapy or adding topical ripasudil therapy. STUDY DESIGN: An open-label, prospective, randomized, parallel group, comparative study METHODS: Fifty-one patients (51 eyes) with primary open-angle glaucoma who experienced insufficient intraocular pressure (IOP) control while taking a PG analog were enrolled...
July 2018: Japanese Journal of Ophthalmology
Rie Tanaka, Toshikatsu Kaburaki, Kazuyoshi Ohtomo, Mitsuko Takamoto, Keiko Komae, Jiro Numaga, Yujiro Fujino, Makoto Aihara
PURPOSE: To investigate the clinical characteristics of Japanese patients with scleritis STUDY DESIGN: Retrospective study METHODS: The clinical records of 123 patients with scleritis, who presented to the University of Tokyo Hospital between January, 2004 and December, 2015, were retrospectively reviewed. RESULTS: The cohort comprised 55 men and 68 women (mean age, 57.8±16.4 years), of which 76 showed anterior diffuse scleritis, 17 showed anterior nodular scleritis, 10 showed anterior necrotizing scleritis, and 20 showed posterior scleritis...
July 2018: Japanese Journal of Ophthalmology
Akiko Maeda, Akiko Yoshida, Kanako Kawai, Yuki Arai, Ryutaro Akiba, Akira Inaba, Seiji Takagi, Ryoji Fujiki, Yasuhiko Hirami, Yasuo Kurimoto, Osamu Ohara, Masayo Takahashi
PURPOSE: Retinitis Pigmentosa (RP) is the most common form of inherited retinal dystrophy caused by different genetic variants. More than 60 causative genes have been identified to date. The establishment of cost-effective molecular diagnostic tests with high sensitivity and specificity can be beneficial for patients and clinicians. Here, we developed a clinical diagnostic test for RP in the Japanese population. STUDY DESIGN: Evaluation of diagnostic technology, Prospective, Clinical and experimental study...
July 2018: Japanese Journal of Ophthalmology
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