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Japanese Journal of Ophthalmology

Fangkun Zhao, Ling Li, Wenkai Zhou, Dong Shi, Yu Fan, Liwei Ma
PURPOSE: To explore the correlation between ocular cyclotorsion induced by sitting and supine positions as well as other selected factors, validated by an image-guided system. STUDY DESIGN: A cross-sectional study conducted in 73 inpatients (85 eyes) who received intraocular operations in China Medical University. METHODS: The ocular cyclotorsion degree was recorded using an image-guided system (Verion Reference Unit, Alcon) by comparing images captured in sitting position, as well as pre- and post-different anesthesia methods in the supine position...
November 13, 2017: Japanese Journal of Ophthalmology
Mari Takahashi, Tadashi Yokoi, Satoshi Katagiri, Tomoyo Yoshida-Uemura, Sachiko Nishina, Noriyuki Azuma
PURPOSE: To describe the clinical features and surgical outcomes of macular dragging or tractional retinal detachment that occurred as a result of fibrovascular tissue (FT) progression toward the posterior retina in eyes with familial exudative vitreoretinopathy (FEVR). METHODS: The medical records of 4 patients (2 girls, 2 boys) with FEVR were reviewed retrospectively. RESULTS: All 4 patients had retinal dragging or radial retinal folds with FT in the peripheral retina in at least 1 eye at the initial visit...
November 3, 2017: Japanese Journal of Ophthalmology
Tomoyuki Inoue, Toshihiko Uno, Norio Usui, Shinichiro Kobayakawa, Kiyoshi Ichihara, Yuichi Ohashi
PURPOSE: To prospectively survey the incidence of endophthalmitis following cataract surgery and investigate the current perioperative practices in Japan. METHODS: Patients who underwent cataract surgery from January 2012 to December 2013 were included. Information on perioperative practices were recorded prospectively. Clinical characteristics were examined in cases with endophthalmitis. RESULTS: A total of 63,244 patients who underwent cataract surgery in 205 facilities were enrolled...
November 1, 2017: Japanese Journal of Ophthalmology
Hiroyuki Iijima
PURPOSE: To study the reduction in light sensitivity in areas where impaired retinal perfusion was established by fluorescein angiogram (FA) in eyes with branch retinal vein occlusion (BRVO) that recovered from retinal edema and hemorrhage. DESIGN: Retrospective observational case series. METHODS: A study of the reduction in light sensitivity demonstrated by total deviation display of the Humphrey perimetry program 30-2 in 43 eyes from 42 patients with BRVO, whose perfusion status was assessed by FA images taken at least 6 months after disease onset...
November 1, 2017: Japanese Journal of Ophthalmology
Sakari Nakamine, Hiroshi Sakai, Yoshikuni Arakaki, Michiko Yonahara, Tadayoshi Kaiya
PURPOSE: To study the effect of the internal fixation lamp on anterior chamber width measured by anterior segment optical coherence tomography. METHODS: In a prospective cross sectional observational study, consecutive 22 right eyes of 22 patients (4 men and 18 women) with suspected primary angle closure underwent swept source domain anterior segment optical coherence tomography (AS-OCT), (CASIA SS-1000, Tomey, Nagoya, Japan). Anterior chamber parameters of angle opening distance (AOD), trabecular-iris angle (TIA), angle recess area (ARA) at 500 or 750 µm from scleral spur and pupil diameter were measured by AS-OCT in a three-dimensional mode in 4 quadrants (superior, inferior, temporal and nasal) in dark room setting both with and without internal fixation lamp...
November 1, 2017: Japanese Journal of Ophthalmology
Akira Iwatake, Akira Murakami, Nobuyuki Ebihara
PURPOSE: Sterile ulceration is frequently observed in the cornea following persistent corneal epithelial damage. We examined the effect of alarmins released by necrotic corneal epithelial cells (HCE) on the production of matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) by corneal fibroblasts. METHODS: IL-1α and high-mobility group box 1 protein (HMGB1) released into the supernatant derived from necrotic HCE cells were measured with enzyme-linked immunosorbent assay (ELISA)...
November 1, 2017: Japanese Journal of Ophthalmology
Reiji Yokota, Akito Hirakata, Nobutsugu Hayashi, Kazunari Hirota, Tosho Rii, Yuji Itoh, Tadashi Orihara, Makoto Inoue
PURPOSE: To evaluate the ultrastructure of the internal limiting membranes (ILMs) excised during vitrectomy from highly myopic eyes with myopic traction maculopathy (MTM). The clinical findings before and after the vitrectomy were compared. METHODS: Seven eyes of 7 patients with macular retinoschisis were studied. Four of these eyes also had a foveal detachment but without a retinal break. All the eyes underwent vitrectomy with the creation of a posterior vitreous detachment and ILM peeling...
October 25, 2017: Japanese Journal of Ophthalmology
Guita Rubinsky-Elefant, Joyce H Yamamoto, Carlos E Hirata, Luiz E Prestes-Carneiro
PURPOSE: To analyze the contribution of IgG anti-Toxocara antibodies in the diagnosis of ocular toxocariasis (OT) in serum samples of patients attending a public referral center for ophthalmology in Brazil and to determine the most frequent ocular signs and symptoms. STUDY DESIGN: This was a retrospective descriptive study of a cohort of outpatients followed from December 1989 to May 2006. METHODS: IgG anti-Toxocara antibody titers were determined by enzyme-linked immunosorbent assay...
October 25, 2017: Japanese Journal of Ophthalmology
Mari Sakamoto, Sotaro Mori, Kaori Ueda, Azusa Akashi, Yukako Inoue, Takuji Kurimoto, Akiyasu Kanamori, Yuko Yamada, Makoto Nakamura
PURPOSE: To assess the combined estimate of retinal ganglion cell (RGC) count developed by Medeiros et al. as a tool for diagnosis of glaucoma in Japanese patients. STUDY DESIGN: Cross-sectional study. METHODS: Thirty-one eyes of 19 healthy controls and 106 eyes of 70 glaucoma patients underwent standard automated perimetry (SAP) and three types of spectral domain optical coherence tomography (SD-OCT) imaging using the Cirrus, RTVue, and 3D-OCT instruments...
October 13, 2017: Japanese Journal of Ophthalmology
Luis Emilio Pablo, Maria Pilar Bambo, Beatriz Cameo, Blanca Ferrández, Noemí Güerri, Vicente Polo, Jose Manuel Larrosa, Javier Moreno-Montañés, Elena Garcia-Martin
PURPOSE: To evaluate automatic peripapillary choroidal thickness (PPCT) measurements in a wide area around the optic disc and various established zones in primary open-angle glaucoma (POAG) patients and age- and sex-matched healthy controls using a new swept-source optical coherence tomography (SS-OCT) device. STUDY DESIGN: Single center cross-sectional observational study. METHODS: A total of 135 POAG patients and 86 healthy subjects were consecutively enrolled...
October 11, 2017: Japanese Journal of Ophthalmology
(no author information available yet)
No abstract text is available yet for this article.
November 2017: Japanese Journal of Ophthalmology
Yanlin Liu, Yong Cheng, Yue Zhang, Lu Zhang, Mingwei Zhao, Kai Wang
PURPOSE: To investigate the nature of internal astigmatism (IA) and ocular residual astigmatism (ORA) in Chinese myopic children and to identify factors that may influence IA and ORA. METHODS: A total of 206 eyes of 206 myopic children (97 boys and 109 girls; 10.95 ± 2.2 years) were enrolled in this cross sectional study. Total ocular astigmatism (TOA), anterior corneal astigmatism (ACA), posterior corneal astigmatism (PCA) and total corneal astigmatism (TCA) were measured directly using either a Hartmann-Shack wavefront sensor or a Pentacam...
November 2017: Japanese Journal of Ophthalmology
Atsuya Miki, Naoyuki Maeda, Tomoko Asai, Yasushi Ikuno, Kohji Nishida
PURPOSE: To evaluate the repeatability of corneal deformation parameters measured using a dynamic Scheimpflug analyzer and the impact of baseline clinical factors on the repeatability of each parameter. STUDY DESIGN: Retrospective, cross-sectional study. METHODS: Forty-eight eyes (48 healthy subjects; mean age, 49.0 ± 19.5 years) underwent repeated examinations with the Scheimpflug analyzer to evaluate the test-retest variability. The intraclass correlation coefficient (ICC) and repeatability coefficient as indicators of variability were computed for 35 parameters measured with the Scheimpflug analyzer...
November 2017: Japanese Journal of Ophthalmology
Tadashi Matsumoto, Takashi Itokawa, Tomoaki Shiba, Masahiko Tomita, Kotaro Hine, Norio Mizukaki, Hitoshi Yoda, Yuichi Hori
PURPOSE: To evaluate the relationships between optic nerve head blood flow, expressed as mean blur rate (MBR) measured by laser speckle flowgraphy (LSFG), and photocoagulation therapy in neonates with retinopathy of prematurity (ROP). STUDY DESIGN: Case series study. METHODS: We studied 5 ROP neonates either during sleep or under sedation both before and after photocoagulation, and evaluated 8 eyes in which the circulation could be measured three times consecutively...
November 2017: Japanese Journal of Ophthalmology
Masaki Tanito, Yoshifumi Ikeda, Etsuko Fujihara
PURPOSE: To report the early postoperative results and safety profile of ab interno microhook trabeculotomy (μLOT) combined with cataract surgery. PATIENTS AND METHODS: This retrospective observational case series included 68 consecutive glaucomatous eyes of 23 Japanese men and 25 Japanese women [mean (SD) age, 76.0 ± 8.5 years] who underwent μLOT for intraocular pressure (IOP) and visually relevant cataracts. The LOT site/extent, perioperative complications, and complication treatments were collected from the medical and surgical records...
November 2017: Japanese Journal of Ophthalmology
Yong Ju Song, Young Kook Kim, Jin Wook Jeoung, Ki Ho Park
PURPOSE: To investigate the relationship between peripapillary choroidal thickness (PCT) and choroidal vascular prominence (CVP) colocalized with retinal nerve fiber layer (RNFL) defect in primary open-angle glaucoma (POAG) eyes and to evaluate the relationship between PCT and POAG severity. METHODS: In this cross-sectional comparative study, 29 POAG patients with CVP on RNFL imaging (Group A), 70 POAG patients without CVP (Group B) and 63 healthy controls (Group C) were examined...
November 2017: Japanese Journal of Ophthalmology
Shuhei Kimura, Yuki Morizane, Ryo Matoba, Mio Hosokawa, Yusuke Shiode, Masayuki Hirano, Shinichiro Doi, Shinji Toshima, Kosuke Takahashi, Mika Hosogi, Atsushi Fujiwara, Fumio Shiraga
PURPOSE: To investigate the effectiveness of displacement of submacular hemorrhage (SMH) caused by polypoidal choroidal vasculopathy (PCV) by assessing retinal sensitivity using microperimetry. METHODS: We retrospectively reviewed the medical records of 11 consecutive PCV patients with SMH. All patients underwent vitrectomy, subretinal injection of tissue plasminogen activator, and fluid-air exchange, followed by antivascular endothelial growth factor therapy using a pro re nata regimen...
November 2017: Japanese Journal of Ophthalmology
Yoshiyuki Kita, Makoto Inoue, Ritsuko Kita, Masahiko Sano, Tadashi Orihara, Yuji Itoh, Kazunari Hirota, Takashi Koto, Akito Hirakata
PURPOSE: To determine the size of the foveal avascular zone (FAZ) before and after vitrectomy for a macular hole (MH). STUDY DESIGN: Retrospective case series study. METHODS: Twenty-five eyes of 25 patients with a unilateral MH that had undergone vitrectomy with internal limiting membrane peeling were studied. The unaffected 17 fellow eyes were studied in the same way. En face images of the parafoveal region were obtained by optical coherence tomography angiography, and the images were used to measure the FAZ before and 1 month after the vitrectomy...
November 2017: Japanese Journal of Ophthalmology
Naomi Mataki, Atsuo Tomidokoro, Makoto Araie, Aiko Iwase
PURPOSE: To assess optic disc morphology and disc-fovea distance (DF)/mean disc diameter (DD) ratio and related factors in Japanese subjects in a population-based setting. METHODS: Digital fundus photographs obtained from 2634 subjects, comprising 87% of 3021 participants aged 40 years or older in the Tajimi Study, a population-based glaucoma survey, were analyzed planimetrically. RESULTS: The disc size averaged 2.28 mm(2), the ovality (maximal/minimal disc diameter ratio) 1...
November 2017: Japanese Journal of Ophthalmology
Kazuhiro Kimura, Tomoko Orita, Yuka Kobayashi, Shigeo Matsuyama, Kazushi Fujimoto, Kazuhiko Yamauchi
PURPOSE: Diabetic retinal maculopathy is associated with acute and chronic local inflammation. We measured the concentrations of acute phase factors in vitreous fluid of patients with diabetic macular edema (DME) and examined their relations to visual acuity and central retinal thickness (CRT) both before and after vitrectomy. STUDY DESIGN: Retrospective. METHODS: Vitreous fluid was collected during vitreoretinal surgery from 19 patients with DME and 12 control subjects with epiretinal membrane...
November 2017: Japanese Journal of Ophthalmology
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