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Japanese Journal of Ophthalmology

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https://www.readbyqxmd.com/read/28932922/decreased-ocular-blood-flow-after-photocoagulation-therapy-in-neonatal-retinopathy-of-prematurity
#1
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...
September 20, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28929279/effectiveness-and-safety-of-combined-cataract-surgery-and-microhook-ab-interno-trabeculotomy-in-japanese-eyes-with-glaucoma-report-of-an-initial-case-series
#2
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...
September 19, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28929241/assessment-of-peripapillary-choroidal-thickness-in-primary-open-angle-glaucoma-patients-with-choroidal-vascular-prominence
#3
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...
September 19, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28836011/retinal-sensitivity-after-displacement-of-submacular-hemorrhage-due-to-polypoidal-choroidal-vasculopathy-effectiveness-and-safety-of-subretinal-tissue-plasminogen-activator
#4
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...
August 23, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28785921/changes-in-the-size-of-the-foveal-avascular-zone-after-vitrectomy-with-internal-limiting-membrane-peeling-for-a-macular-hole
#5
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...
August 7, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28770355/morphology-of-the-optic-disc-in-the-tajimi-study-population
#6
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...
August 2, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28755024/concentration-of-acute-phase-factors-in-vitreous-fluid-in-diabetic-macular-edema
#7
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...
July 28, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28725984/cytokine-expression-and-barrier-disruption-in-human-corneal-epithelial-cells-induced-by-alarmin-released-from-necrotic-cells
#8
Ken Fukuda, Waka Ishida, Yusaku Miura, Tatsuma Kishimoto, Atsuki Fukushima
PURPOSE: Dying cells release endogenous molecules known as alarmins that signal danger to surrounding tissue. We investigated the effects of necrotic cell-derived alarmins on cytokine expression and barrier function in human corneal epithelial cells. METHODS: The release of interleukin (IL)-6 and IL-8 from immortalized human corneal epithelial (HCE) cells in culture was measured with enzyme-linked immunosorbent assays. The abundance of IL-6 and 8 mRNAs was quantitated by reverse transcription and real-time polymerase chain reaction analysis...
July 19, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28707018/postoperative-enterococcus-faecalis-endophthalmitis-virulence-factors-leading-to-poor-visual-outcome
#9
Daisuke Todokoro, Takashi Suzuki, Shinichiro Kobayakawa, Haruyoshi Tomita, Yuichi Ohashi, Hideo Akiyama
Purpose Postoperative endophthalmitis caused by Enterococcus faecalis often results in poor visual outcome due to retinal destruction. We evaluated the virulence factors of Enterococcus faecalis clinical isolates and analyzed their relationship with retinal destruction and poor visual outcomes in postoperative bacterial endophthalmitis (PBE) following cataract surgery. STUDY DESIGN: Retrospective. METHODS: E. faecalis isolates from nine acute-onset PBE cases were examined using pulsed-field gel electrophoresis of genomic DNA, plasmid isolation and pheromone response experiments...
July 13, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28668999/heterozygous-deletion-of-the-opa1-gene-in-patients-with-dominant-optic-atrophy
#10
Takaaki Hayashi, Hiroyuki Sasano, Satoshi Katagiri, Kazushige Tsunoda, Shuhei Kameya, Mitsuru Nakazawa, Takeshi Iwata, Hiroshi Tsuneoka
PURPOSE: Several OPA1 variants cause dominant optic atrophy (DOA), the most common hereditary optic atrophy. Here, we describe a newly discovered OPA1 deletion in 3 patients with DOA. METHODS: A female proband, her brother, and her mother underwent complete ophthalmologic examinations that included optical coherence tomography and visual field assessments using a Humphrey Field Analyzer with both standard automated perimetry (SAP) and short-wavelength automated perimetry (SWAP)...
July 1, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28667424/evaluating-retinal-vessel-diameter-with-optical-coherence-tomography-in-normal-tension-glaucoma-patients
#11
Takeshi Yabana, Yukihiro Shiga, Ryo Kawasaki, Kazuko Omodaka, Hidetoshi Takahashi, Koudai Kimura, Kyosuke Togashi, Takaaki Horii, Kei Sasaki, Testuya Yuasa, Toru Nakazawa
PURPOSE: To investigate a novel optical coherence tomography (OCT)-derived variable, circumpapillary mean retinal shadow width (cpMRSW), and to elucidate its association with normal-tension glaucoma (NTG). METHODS: For the purpose of validation, we measured retinal vascular calibers in 68 arterioles and 100 venules of 12 NTG patients and 12 healthy subjects and compared the width of the visible retinal shadows in spectral-domain OCT images and the caliber of retinal vessels in retinal photographs...
June 30, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28550431/impact-of-intraocular-pressure-reduction-on-visual-field-progression-in-normal-tension-glaucoma-followed-up-over-15%C3%A2-years
#12
Shinya Oie, Kyoko Ishida, Tetsuya Yamamoto
PURPOSE: To investigate the impact of surgical or medical reduction of intraocular pressure (IOP) on progressive normal-tension glaucoma followed up over 15 years. METHODS: Sixty eyes of 60 patients were divided into 3 intervention groups: group 1 (trabeculectomy, n = 17); group 2 (IOP reduction rate ≥15% with prostaglandin analogs, n = 24); and group 3 (IOP reduction rate <15% with prostaglandin analogs, n = 19). The preintervention and postintervention mean deviation (MD) slopes and IOP were compared...
July 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28374270/patterns-of-glaucoma-progression-in-retinal-nerve-fiber-and-macular-ganglion-cell-inner-plexiform-layer-in-spectral-domain-optical-coherence-tomography
#13
Hae Jin Kim, Jin Wook Jeoung, Byeong Wook Yoo, Hee Chan Kim, Ki Ho Park
PURPOSE: To evaluate the progressive changes of circumpapillary retinal nerve fiber layer (RNFL) and macular ganglion cell-inner plexiform layer (GCIPL) thicknesses measured by spectral-domain optical coherence tomography (Cirrus SD-OCT) in open-angle glaucoma. METHODS: One hundred-fourteen eyes of open-angle glaucoma patients with localized RNFL defect who had 3 years' worth of annual RNFL photography and OCT measurements were enrolled in this retrospective study...
July 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28357611/development-of-visual-field-defect-after-first-detected-optic-disc-hemorrhage-in-preperimetric-open-angle-glaucoma
#14
Hae Jin Kim, Yong Ju Song, Young Kook Kim, Jin Wook Jeoung, Ki Ho Park
PURPOSE: To evaluate functional progression in preperimetric glaucoma (PPG) with disc hemorrhage (DH) and to determine the time interval between the first-detected DH and development of glaucomatous visual field (VF) defect. METHODS: A total of 87 patients who had been first diagnosed with PPG were enrolled. The medical records of PPG patients without DH (Group 1) and with DH (Group 2) were reviewed. When glaucomatous VF defect appeared, the time interval from the diagnosis of PPG to the development of VF defect was calculated and compared between the two groups...
July 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28653193/effects-of-ripasudil-hydrochloride-hydrate-k-115-a-rho-kinase-inhibitor-on-ocular-blood-flow-and-ciliary-artery-smooth-muscle-contraction-in-rabbits
#15
Yusuke Ohta, Sanae Takaseki, Takeshi Yoshitomi
PURPOSE: Ripasudil, a Rho-associated coiled-coil-containing protein kinase (ROCK) inhibitor, is a novel drug for glaucoma in Japan. ROCK inhibition not only reduces intraocular pressure (IOP) but also increases ocular blood flow. We investigated the effects of ripasudil on optic disc blood flow (ODBF) in rabbit eyes and in isolated rabbit ciliary arteries. METHODS: We measured IOP by tonometry and ODBF by laser speckle flowgraphy (LSFG) in male Dutch rabbits. A single drop (20 μL) of 0...
June 26, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28600745/safety-and-effectiveness-of-gold-glaucoma-micro-shunt-for-reducing-intraocular-pressure-in-japanese-patients-with-open-angle-glaucoma
#16
Masaki Tanito, Etsuo Chihara
PURPOSE: To assess the safety and effectiveness of the SOLX gold shunt (GS) in reducing intraocular pressure (IOP) in Japanese patients with open angle glaucoma (OAG). METHODS: 24 eyes of 24 subjects [mean age of 68.9 ± 12.7 years; 13 (54%) women; 16 (67%) POAG, 7 (29%) pseudoexfoliation glaucoma, and 1 (4%) steroid response glaucoma] were implanted with the GS either with or without cataract surgery. Best-corrected visual acuity (BCVA), IOP, corneal endothelial cell density (CECD), anterior chamber (AC) flare, surgical complications, and required interventions were monitored at baseline, and 1 day, 1 week, 1, 3 and 6 months, and 1 year postoperatively...
June 9, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28597192/pre-banking-microbial-contamination-of-donor-conjunctiva-and-storage-medium-for-penetrating-keratoplasty
#17
Takenori Inomata, Koichi Ono, Tsuyoshi Matsuba, Tina Shiang, Antonio Di Zazzo, Satoru Nakatani, Masahiro Yamaguchi, Nobuyuki Ebihara, Akira Murakami
PURPOSE: The aims of this study were to investigate the incidence of positive donor tissue cultures before transfer to preservation medium (Optisol™-GS) for penetrating keratoplasty, to verify the efficacy of antibiotics contained in Optisol™-GS by examining the drug susceptibility and to assess the relationship between the results of our microbial assessments as well as donor factors and the incidence of contamination. METHODS: We conducted a retrospective, cross-sectional study using Juntendo Eye Bank records for all corneal transplantations...
June 8, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28466097/distant-stereoacuity-in-children-with-anisometropic-amblyopia
#18
Yeon Woong Chung, Shin Hae Park, Sun Young Shin
PURPOSE: To characterize changes in distant stereoacuity using Frisby-Davis Distance test (FD2) and Distant Randot test (DR) during treatment for anisometropic amblyopia, to determine factors that influence posttreatment stereoacuity and to compare the two distant stereotests. METHODS: Fifty-eight anisometropic amblyopic patients with an interocular difference of ≥1.00 diopter who achieved the visual acuity 20/20 following amblyopia treatment were retrospectively included...
May 2, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28374268/the-challenging-management-of-pediatric-corneal-transplantation-an-overview-of-surgical-and-clinical-experiences
#19
REVIEW
Antonio Di Zazzo, Stefano Bonini, Salvatore Crugliano, Michele Fortunato
PURPOSE: Pediatric keratoplasty is an immense challenge because of the technical complexity of the procedure and the high risk of rejection in young graft recipients. Our aim is to describe the major indications and appropriate timing of corneal transplantation intervention, including a report of our experience and surgical tips, in conjunction with the current literature. METHODS: Review of the literature on indications for keratoplasty in pediatric patients classified as: congenital, traumatic and acquired non-traumatic opacities...
May 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28303357/long-term-surgical-outcome-of-conventional-trabeculotomy-for-childhood-glaucoma
#20
Hiroko Ozawa, Mio Yamane, Eisuke Inoue, Tomoyo Yoshida-Uemura, Satoshi Katagiri, Tadashi Yokoi, Sachiko Nishina, Noriyuki Azuma
PURPOSE: To investigate the long-term surgical outcomes of conventional trabeculotomy in eyes with childhood glaucoma in a Japanese population. METHODS: In this retrospective observational study, we enrolled Japanese patients with childhood glaucoma who underwent a conventional trabeculotomy at least once before age 3 years from 1986 to 2014 in our hospital. RESULTS: One hundred seven eyes of 64 patients (24 girls, 40 boys; mean age, 2.8 ± 5...
May 2017: Japanese Journal of Ophthalmology
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