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Japanese Journal of Ophthalmology

Satoru Yoshimizu, Fumitaka Hirose, Seiji Takagi, Masashi Fujihara, Yasuo Kurimoto
PURPOSE: To compare pretreatment anterior segment parameters between eyes with acute primary angle closure (APAC) and chronic primary angle closure (CPAC), and to identify the characteristics of eyes with APAC. STUDY DESIGN: Retrospective. METHODS: We measured pretreatment anterior chamber depth (ACD), iris convexity (IC), and pupil diameter in eyes with APAC and CPAC using anterior segment optical coherence tomography. The risk of APAC associated with anterior segment parameters was investigated using multiple logistic regression...
January 20, 2019: Japanese Journal of Ophthalmology
Shinji Ueno, Daiki Inooka, Monika Meinert, Yasuki Ito, Kazushige Tsunoda, Kaoru Fujinami, Takeshi Iwata, Hisao Ohde, Hiroko Terasaki
PURPOSE: To report the findings in 3 cases of bilateral negative electroretinograms (ERGs) with acute onset of photophobia. STUDY DESIGN: Retrospective case series. METHODS: The medical charts of the 3 patients were reviewed. RESULTS: A 43-year-old woman, a 68-year-old woman, and a 41-year-old woman were referred to Nagoya University Hospital. Their main symptom was bilateral acute photophobia. None of the patients had any systemic diseases or specific medical history...
January 2, 2019: Japanese Journal of Ophthalmology
Maria Satue, Alicia Gavin, Elvira Orduna, Elisa Vilades, Maria Jesus Rodrigo, Javier Obis, Vicente Polo, Jose Manuel Larrosa, Luis Emilio Pablo, Elena Garcia-Martin
PURPOSE: To analyze the reproducibility of macular and peripapillary thickness measurements, and optic nerve morphometric data obtained with Triton Optical coherence tomography (OCT) in a healthy population. STUDY DESIGN: Observational cross sectional study. MATERIAL AND METHODS: A total of 108 eyes underwent evaluation using the Triton Swept Source-OCT. A wide protocol was used and measurements in each eye were repeated three times. Morphometric data of the optic nerve head, full macular thickness, ganglion cell layer (GCL) and retinal nerve fiber layer thickness (RNFL) were analyzed...
January 2, 2019: Japanese Journal of Ophthalmology
Cecilia Díez-Montero, Diego González González, Elena Pérez Martínez, Silvana Schellini, Alicia Galindo-Ferreiro
PURPOSE: To evaluate the demographic, clinical, and histopathologic characteristics of periocular inverted follicular keratosis (IFK), a very rare lesion with poorly defined characteristics. STUDY DESIGN: Retrospective case series. METHODS: We evaluated 11 patients with clinically diagnosed IFK confirmed by histologic analysis. Data were collected on the patients' demographics, clinical presentation and course of the disease, signs and symptoms, location of the lesion, and outcomes of treatment...
January 2, 2019: Japanese Journal of Ophthalmology
Pinnita Prabhasawat, Warinyupa Pinitpuwadol, Dawisa Angsriprasert, Pratuangsri Chonpimai, Manutsawin Saiman
PURPOSE: To evaluate and compare tear film changes and ocular symptoms after reading an electronic book (e-book) and a printed book. STUDY DESIGN: Clinical and experimental. METHODS: Crossover study was conducted in 30 healthy volunteers, some of whom read an e-book and others a printed book for 20 minutes and then switched the following week. Tear meniscus height (TMH), non-invasive break-up time (NIBUT), fluorescein break up time (FBUT), corneal and conjunctival staining score, and questionnaires about seven ocular symptoms were evaluated before and after reading by both reading methods...
January 2, 2019: Japanese Journal of Ophthalmology
Yasuhiro Ikeda, Shunji Nakatake, Jun Funatsu, Kohta Fujiwara, Takashi Tachibana, Yusuke Murakami, Toshio Hisatomi, Shigeo Yoshida, Hiroshi Enaida, Tatsuro Ishibashi, Koh-Hei Sonoda
PURPOSE: From an early stage, retinitis pigmentosa (RP) patients suffer from night blindness which causes nocturnal mobility difficulties. We created a wearable visual aid that uses a high-performance see-through display, and added a high-sensitivity camera with a complementary metal-oxide-semiconductor sensor. Here, we evaluate the device's efficacy for helping night-blindness sufferers walk in the dark. STUDY DESIGN: Prospective clinical study. METHODS: Twenty-eight subjects underwent binocular visual acuity testing in the dark without (power off) and with (power on) the device...
January 2, 2019: Japanese Journal of Ophthalmology
Noriko Kato, Yoichiro Masuda, Kotaro Oki, Hisaharu Iwaki, Hiroshi Tsuneoka
PURPOSE: To evaluate the effects of irrigation dynamic pressure-assisted hydrodissection (irrigation-hydro: iH) on intraocular pressure (IOP) and the posterior chamber-anterior hyaloid membrane (PC-AHM) barrier in porcine eyes. STUDY DESIGN: Experimental. METHODS: In Experiment 1, IOP was recorded while irrigating the anterior chamber (AC), during iH, and during phacoemulsification and aspiration in 20 porcine eyes using bottle heights of 50, 70, and 90 cm...
December 19, 2018: Japanese Journal of Ophthalmology
Tsubasa Nishino, Akira Kobayashi, Natsuko Mori, Toshinori Masaki, Hideaki Yokogawa, Keiko Fujiki, Ai Yanagawa, Akira Murakami, Kazuhisa Sugiyama
PURPOSE: To report genetic mutational analysis and in vivo histology of Meesmann corneal dystrophy. STUDY DESIGN: Prospective, case control study. METHODS: Six patients from three independent families with clinically diagnosed Meesmann corneal dystrophy were enrolled in this study. Slit-lamp biomicroscopy with fluorescein vital staining, anterior segment optical coherence tomography (AS-OCT), and in vivo laser confocal microscopy (IVCM) were performed on selected patients...
December 7, 2018: Japanese Journal of Ophthalmology
Tomoharu Nishimura, Shigeki Machida
PURPOSE: To determine the significance of the correlation between optical coherence tomographic (OCT) findings and focal macular electroretinograms (fmERG) at 12 months after beginning intravitreal injections of ranibizumab (IVR) in eyes with age-related macular degeneration (AMD). STUDY DESIGN: Prospective, clinical study. METHOD: We studied 28 eyes of 28 patients with AMD treated with IVR at monthly intervals for the initial three months...
November 23, 2018: Japanese Journal of Ophthalmology
Tetsuya Yamamoto
PURPOSE OF REVIEW: To trace the influence of disc hemorrhage studies on our understanding of glaucoma. SOURCES: Major articles published during the last 50 years since the rediscovery of disc hemorrhage were identified. A total of 196 articles were selected from 435 articles retrieved using the keywords glaucoma and disc hemorrhage as of August 9 2018 from PubMed. RECENT FINDINGS: The main characteristics of disc hemorrhage, including its morphology, recurrence rate, duration, increased incidence in glaucoma, and role in the progression of normal tension glaucoma was well understood by the year 2000...
November 21, 2018: Japanese Journal of Ophthalmology
James T Rosenbaum
PURPOSE: To compare the approaches to uveitis in Japan and the United States. METHODS: This report is based on the author's personal experience, conversations with Japanese colleagues, and a literature search using the database of the US National Library of Medicine. RESULTS: The frequencies of specific forms of uveitis vary between the two countries. Options for therapy are affected by government regulations and the impact of insurance carriers...
November 20, 2018: Japanese Journal of Ophthalmology
Sumihiro Kawano, Masato Takeuchi, Shiro Tanaka, Takehiro Yamashita, Taiji Sakamoto, Koji Kawakami
PURPOSE: To describe relevant patient demographic characteristics and investigate the influence of known risk factors for late intraocular lens (IOL) dislocation. To explore the associations between these risk factors and the incidence of recurrent IOL dislocation. STUDY DESIGN: Retrospective cohort study. METHODS: This study was performed using Nationwide Diagnostic Procedure Combination data in Japan from April 1, 2008 through July 31, 2016...
November 13, 2018: Japanese Journal of Ophthalmology
Kazuya Yamashita, Shin Hatou, Yuichi Uchino, Kazuo Tsubota, Shigeto Shimmura
PURPOSE: To evaluate the safety and efficacy of lamellar keratoplasty using preserved donor corneas to treat limbal dermoids. STUDY DESIGN: Retrospective study. METHODS: The clinical records of 19 patients with limbal dermoids, who underwent lamellar keratoplasty using preserved corneas that were observed for more than 6 months at the Keio University School of Medicine between January, 2000 and December, 2017, were retrospectively reviewed...
November 12, 2018: Japanese Journal of Ophthalmology
Lalita Gupta, Michael Waisbourd, Carina T Sanvicente, Michael Hsieh, Sheryl S Wizov, Eric E Spaeth, Jesse Richman, George L Spaeth
PURPOSE: To evaluate the test-retest repeatability of a computer-based contrast sensitivity (CS) test, the Spaeth/Richman contrast sensitivity (SPARCS) test, and to determine the effects of age and lens status on CS in normal eyes. STUDY DESIGN: Prospective cross-sectional study. METHODS: The participants were assessed by use of the SPARCS test in each eye 3 times. The first 2 sessions were supervised, while the third was unsupervised. CS was determined for 5 areas of vision (central, superotemporal, superonasal, inferotemporal, and inferonasal) and combined to provide a total score...
November 10, 2018: Japanese Journal of Ophthalmology
Yoshifumi Okamoto, Shohei Morikawa, Fumiki Okamoto, Naoki Inomoto, Hiroto Ishikawa, Tetsuo Ueda, Taiji Sakamoto, Kazuhiko Sugitani, Tetsuro Oshika
PURPOSE: To describe the epidemiology and clinical outcomes of open globe injuries (OGIs) in Japan over 10 years, and examine preoperative factors influencing the visual prognosis after surgery. STUDY DESIGN: Retrospective, observational, multicenter case-series study. METHODS: Patients' data were entered into a computerized database for review and statistical analyses. The following parameters were assessed; age, gender, initial and final visual acuity, duration between onset and surgery, presence of lens in the eye, characteristics of injury, presence of ocular complications, and number of surgeries...
November 8, 2018: Japanese Journal of Ophthalmology
Shunichiro Nakai, Wataru Matsumiya, Otsuka Keiko, Akiko Miki, Makoto Nakamura, Shigeru Honda
PURPOSE: This study was prospectively carried out to clarify the effectiveness of visual and anatomical outcomes under combination therapy of intravitreal aflibercept (IVA) and verteporfin photodynamic therapy (vPDT) in over 24 months. STUDY DESIGN: A single-arm prospective exploratory study. METHODS: Twenty-six eyes of 26 treatment naïve PCV patients were enrolled in this study. The primary outcome measures were the changes in best corrected visual acuity (BCVA) and the complete polyp regression rate...
November 7, 2018: Japanese Journal of Ophthalmology
Rowayda Mohamed Amin, Alaa E Radwan, Mohamed B Goweida, Hesham F El Goweini, Ahmed M Bedda, Wael M Lotfy, Ahmed R H Ahmed
To outline the management of newly identified trematode induced uveitis in pediatric patients STUDY DESIGN: Prospective interventional case series METHODS: Patients with distinctive uveitis were recruited to either receive steroid monotherapy or undergo surgical excision of the inflammatory lesions based on a scoring system. Outcome measures included best corrected visual acuity (BCVA), intraocular inflammatory activity, and incidence of ophthalmic complications RESULTS: 170 patients (174 eyes) were recruited...
November 2, 2018: Japanese Journal of Ophthalmology
(no author information available yet)
No abstract text is available yet for this article.
November 2018: Japanese Journal of Ophthalmology
Yutaka Yamada, Yoshihiro Takamura, Takehiro Matsumura, Masakazu Morioka, Makoto Gozawa, Masaru Inatani
PURPOSE: To estimate the effect of sub-Tenon's capsule triamcinolone acetonide injection (STTA) combined with panretinal photocoagulation (PRP) using pattern scan laser (PSL) for high risk non-proliferative diabetic retinopathy (NPDR), in terms of the inflammation and the progression of diabetic macular edema (DME). STUDY DESIGN: Retrospective comparative analysis. METHODS: NPDR patients who underwent PRP using PSL with (STTA+PSL group, n=24) or without (PSL group, n=19) pretreatment of STTA were enrolled...
November 2018: Japanese Journal of Ophthalmology
Shin Yeop Oh, Kyung-Ah Park, Sei Yeul Oh
PURPOSE: We investigated the clinical and demographic factors associated with horizontal muscle reoperation due to recurrent esotropia or consecutive exotropia in infantile esotropia. METHODS: One hundred forty-two patients with infantile esotropia who received at least 3 years of follow-up after their first surgery between January 2004 and December 2012 were included in this study. The patients were divided into 2 groups according to the reoperation, and the reoperation group was further subdivided into 2 groups [recurrent esotropia (RET) and consecutive exotropia (CXT)]...
November 2018: Japanese Journal of Ophthalmology
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