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Journal of Ophthalmology

Kazuhiko Umazume, Jun Suzuki, Yoshihiko Usui, Yoshihiro Wakabayashi, Hiroshi Goto
Purpose. Endogenous endophthalmitis (EE) is a rare ocular disease caused by bacterial or fungal infection of intraocular spaces by hematogenous spread of pathogens from distant infectious loci in the body. We investigated the clinical characteristics and management of eyes with EE in ten consecutive patients. Methods. Ten patients (10 eyes) with EE treated at Tokyo Medical University Hospital in 2014 were reviewed. We retrospectively studied the causative organisms, systemic complications, pre/postoperative mean best-corrected visual acuity (BCVA), and status of posterior vitreous detachment (PVD)...
2016: Journal of Ophthalmology
Marcus Ang, Yijun Cai, Anna C S Tan
Purpose. To describe a novel technique of adapting a swept-source optical coherence tomography angiography (OCTA) to image corneal vascularization. Methods. In this pilot cross-sectional study, we obtained 3 × 3 mm scans, where 100,000 A-scans are acquired per second with optical axial resolution of 8 μm and lateral resolution of 20 μm. This was performed with manual "XYZ" focus without the anterior segment lens, until the focus of the corneoscleral surface was clearly seen and the vessels of interest were in focus on the corresponding red-free image...
2016: Journal of Ophthalmology
Mehmet Erol Can, Hasan Basri Çakmak, Gamze Dereli Can, Hatice Ünverdi, Yasin Toklu, Sema Hücemenoğlu
Purpose. To investigate the effect of platelet-rich fibrin (PRF) membrane on wound healing. Methods. Twenty-four right eyes of 24 New Zealand rabbits equally divided into 2 groups for the study design. After the creation of 5 × 5 mm conjunctival damage, it was secured with PRF membrane, which was generated from the rabbit's whole blood samples in PRF membrane group, whereas damage was left unsutured in the control group. Three animals were sacrificed in each group on the 1st, 3rd, 7th, and 28th postoperative days...
2016: Journal of Ophthalmology
Huanfen Zhou, Wei Wang, Quangang Xu, Shaoying Tan, Shuo Zhao, Mo Yang, Chunxia Peng, Shihui Wei
Purpose. Although optic neuritis (ON) in children is relatively common, visual outcomes and factors associated with the condition have not been well documented. The aim of this study was to evaluate the clinical features and visual outcomes of ON in Chinese children. Methods. Patients with a first episode of ON at a tertiary neuroophthalmic centre in China were assessed and followed up for at least three months. Visual outcomes and clinical, laboratory, and neuroimaging findings were reviewed. In patients with bilateral ON, only the eyes with worse visual acuity (VA) at presentation were used for statistical analysis...
2016: Journal of Ophthalmology
Eduardo A Novais, Mauricio Maia, Paulo Augusto de Arruda Mello Filho, João Rafael de Oliveira Dias, José Maurício B B Garcia, Gabriel C de Andrade, Ricardo N Louzada, Marcos Ávila, André Maia, J Fernando Arevalo, Lihteh Wu, Maria Berrocal, Emmerson Badaró, Michel Farah
Purpose. To evaluate the best-corrected visual acuity (BCVA), central retinal thickness (CRT), and the number of dexamethasone implants needed to treat cystoid macular edema (CME) from various etiologies over 12 months in vitrectomized and nonvitrectomized eyes. Methods. This multicenter retrospective cohort study included 112 patients with CME secondary to retinal diseases treated pro re nata (PRN) with a 0.7 mg intravitreal dexamethasone implant for 12 months. The BCVA, CRT, adverse events, safety data, and number of implants were recorded...
2016: Journal of Ophthalmology
Sang Beom Han, Yu-Chi Liu, Karim Mohamed Noriega, Jodhbir S Mehta
Optical coherence tomography (OCT) is a noncontact technology that produces high-resolution cross-sectional images of ocular tissues. Anterior segment OCT (AS-OCT) enables the precise visualization of anterior segment structure; thus, it can be used in various corneal and ocular surface disorders. In this review, the authors will discuss the application of AS-OCT for diagnosis and management of various corneal and ocular surface disorders. Use of AS-OCT for anterior segment surgery and postoperative management will also be discussed...
2016: Journal of Ophthalmology
Yukiko Shiraki, Jun Shoji, Noriko Inada
Purpose. This study aimed to evaluate the clinical efficacy of using expression levels of CCL24 (eotaxin-2) mRNA on the ocular surface as a biomarker in patients with vernal keratoconjunctivitis (VKC) and atopic keratoconjunctivitis (AKC). Methods. Eighteen patients with VKC or AKC (VKC/AKC group) and 12 control subjects (control group) were enrolled in this study. The VKC/AKC clinical score was determined by objective findings in patients by using the 5-5-5 exacerbation grading scale. All subjects underwent modified impression cytology and specimens were obtained from the upper tarsal conjunctiva...
2016: Journal of Ophthalmology
Jianzhang Hu, Jingjin Zhang, Yanling Li, Xiaoli Han, Weidong Zheng, Juan Yang, Guoxing Xu
Purpose. To evaluate the efficacy of a combination of intrastromal and intracameral injections of amphotericin B in the treatment of severe recalcitrant fungal keratitis. Methods. Patients with severe fungal keratitis who were resistant to conventional antifungal medical treatments and needed potential surgical intervention were recruited at the First Affiliated Hospital of Fujian Medical University between January 2012 and July 2013. The patients were treated with a combination of intrastromal and intracameral injections of amphotericin B (25 μg/mL and 50 μg/mL, resp...
2016: Journal of Ophthalmology
Xiao Zhang, Xiang-Chen Tao, Jian Zhang, Zhi-Wei Li, Yan-Yun Xu, Yu-Meng Wang, Chun-Xiao Zhang, Guo-Ying Mu
[This corrects the article DOI: 10.1155/2015/289467.].
2016: Journal of Ophthalmology
Fan Huang, Behdad Dashtbozorg, Jiong Zhang, Erik Bekkers, Samaneh Abbasi-Sureshjani, Tos T J M Berendschot, Bart M Ter Haar Romeny
The retinal fractal dimension (FD) is a measure of vasculature branching pattern complexity. FD has been considered as a potential biomarker for the detection of several diseases like diabetes and hypertension. However, conflicting findings were found in the reported literature regarding the association between this biomarker and diseases. In this paper, we examine the stability of the FD measurement with respect to (1) different vessel annotations obtained from human observers, (2) automatic segmentation methods, (3) various regions of interest, (4) accuracy of vessel segmentation methods, and (5) different imaging modalities...
2016: Journal of Ophthalmology
Salih Uzun
No abstract text is available yet for this article.
2016: Journal of Ophthalmology
Wenwen He, Xiangjia Zhu, Don Wolff, Zhennan Zhao, Xinghuai Sun, Yi Lu
Purpose. To evaluate the anterior chamber volume in cataract patients with Swept-Source Optical Coherence Tomography (SS-OCT) and its influencing factors. Methods. Anterior chamber volume of 92 cataract patients was evaluated with SS-OCT in this cross-sectional study. Univariate analyses and multiple linear regression were used to investigate gender, age, operated eye, posterior vitreous detachment, lens opacity grading, and axial length (AXL) related variables capable of influencing the ACV. Results. The average ACV was 139...
2016: Journal of Ophthalmology
Salih Uzun, Yakup Yesilkaya, Emre Pehlivan
No abstract text is available yet for this article.
2016: Journal of Ophthalmology
Fateme Alipour, Mojgan Letafatnejad, Amir Hooshang Beheshtnejad, Seyed-Farzad Mohammadi, Seyed Reza Ghaffary, Narges Hassanpoor, Mehdi Yaseri
Purpose. To evaluate the difference in biomechanical properties between contact lens induced corneal warpage and normal and keratoconic eyes. Method. Prospective observational case control study, where 94 eyes of 47 warpage suspicious and 46 eyes of 23 keratoconic patients were included. Warpage suspected cases were followed until a definite diagnosis was made (warpage, normal, or keratoconus). Results. 44 eyes of 22 patients had contact lens related corneal warpage. 46 eyes of 23 people were diagnosed as nonwarpage normal eyes...
2016: Journal of Ophthalmology
Yong-Kyu Kim, Wontae Yoon, Jae Kyoun Ahn, Sung Pyo Park
Purpose. To evaluate the surgical outcome of scleral buckling (SB) in rhegmatogenous retinal detachment (RRD) patients associated with pars planitis. Methods. Retrospective review of RRD patients (32 eyes of pars planitis RRD and 180 eyes of primary RRD) who underwent SB. We compared primary and final anatomical success rates and visual outcomes between two groups. Results. Primary and final anatomical success were achieved in 25 (78.1%) and 31 (96.8%) eyes in the pars planitis RRD group and in 167 eyes (92...
2016: Journal of Ophthalmology
Dong-Mei Liu, Shu Zhou, Jie-Min Chen, Shu-Ya Peng, Wen-Tao Xia
UNLABELLED: Objective. To explore the potential effects of methanol and its metabolite, formic acid, on rat retina function. Methods. Sprague-Dawley rats were divided into 3- and 7-day groups and a control. Experimental groups were given methanol and the control group were provided saline by gavage. Retinal function of each group was assessed by electroretinogram. Concentrations of methanol and formic acid were detected by GC/HS and HPLC, respectively. Results. The a and b amplitudes of methanol treated groups decreased and latent periods delayed in scotopic and photopic ERG recordings...
2016: Journal of Ophthalmology
Jie Hou, Yan Wang, Yulin Lei, Xiuyun Zheng, Ying Zhang
Purpose. To evaluate the changes in epithelial thickness profile following transepithelial photorefractive keratectomy (T-PRK) for myopia and to investigate the effect of epithelial remodeling on corneal asphericity. Methods. Forty-four patients (44 right eyes) who underwent T-PRK were retrospectively evaluated. Epithelial thickness was measured using spectral-domain optical coherence tomography at different corneal zones (central, 2 mm; paracentral, 2-5 mm; and mid-peripheral, 5-6 mm) preoperatively and at 1 week and 1, 3, and 6 months postoperatively...
2016: Journal of Ophthalmology
Ahmed Mohamed Kamal Elshafei, Mahmoud Mohamed Genaidy, Hossam Mohamed Moharram
Purpose. To evaluate the anterior segment, the anatomical position of the implantable collamer lenses (ICL), and its relationship to adjacent ocular structures using Ultrasound Biomicroscopy (UBM). Methods. In a prospective study, 142 myopic eyes of 93 patients implanted with Visian ICL were subjected to UBM examination between March 2010 and January 2015. The relative position of ICL to the adjacent structure and the overall iris configuration were evaluated. The machine calibers were used to measure the minimum central distance between the ICL and anterior lens capsule (vault) and the vertical central distance between the corneal endothelium and the ICL (E-ICL)...
2016: Journal of Ophthalmology
Hasim Uslu, Bulent Gurler, Aydin Yildirim, Mehmet Gurkan Tatar, Feride Aylin Kantarcı, Hasan Goker, Hatice Seval Pehlevan, Hatice Nur Colak
Purpose. To evaluate the effect of hydroxychloroquine on retinal pigment epithelium- (RPE-) Bruch's membrane complex, photoreceptor outer segment, and macular ganglion cell-inner plexiform layer (GCIPL) thicknesses using spectral-domain optical coherence tomography (SD-OCT). Methods. In this prospective case-control study, 51 eyes of 51 hydroxychloroquine patients and 30 eyes of 30 healthy subjects were included. High-quality images were obtained using a Cirrus HD-OCT with 5-line raster mode; the photoreceptor inner segment (IS) and outer segment (OS), sum of the segments (IS + OS), and RPE-Bruch's membrane complex were analyzed...
2016: Journal of Ophthalmology
You Na Kim, Jin Hyoung Park, Hungwon Tchah
Purpose. To quantify whole lens and nuclear lens densities using anterior-segment optical coherence tomography (OCT) with a liquid optics interface and evaluate their correlation with Lens Opacities Classification System III (LOCS III) lens grading and corrected distance visual acuity (BCVA). Methods. OCT images of the whole lens and lens nucleus of eyes with age-related nuclear cataract were analyzed using ImageJ software. The lens grade and nuclear density were represented in pixel intensity units (PIU) and correlations between PIU, BCVA, and LOCS III were assessed...
2016: Journal of Ophthalmology
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