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https://www.readbyqxmd.com/read/28646440/a-comparison-of-three-different-intravitreal-treatment-modalities-of-macular-edema-due-to-branch-retinal-vein-occlusion
#1
Havva Erdogan Kaldırım, Serpil Yazgan
PURPOSE: To compare the efficacy of intravitreal injection of ranibizumab, dexamethasone implant and aflibercept for the management of macular edema (ME) related to branch retinal vein occlusion (BRVO). METHODS: This retrospective and comparative study included 62 eyes of 62 patients with BRVO and ME. Patients received one of the following treatments: 0.5 mg ranibizumab (group 1, n = 22), 0.7 mg dexamethasone implant (group 2, n = 20) and 2 mg aflibercept (group 3, n = 20)...
June 23, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28644852/comparisons-of-retinal-vessel-diameter-and-glaucomatous-parameters-between-both-eyes-of-subjects-with-clinically-unilateral-pseudoexfoliation-syndrome
#2
Yasuyuki Takai, Masaki Tanito, Tetsuro Omura, Ryo Kawasaki, Yumiko Kawasaki, Akihiro Ohira
PURPOSE: Pseudoexfoliation syndrome (PEX), the most common identifiable cause of open-angle glaucoma, might affect the retinal hemodynamics. To test this, we compared retinal vessel diameter and glaucoma-related parameters between eyes with pseudoexfoliation material (PE+) and fellow unaffected (PE-) eyes of patients with clinically unilateral PEX. METHODS: The medical records of 30 consecutive Japanese subjects were reviewed retrospectively. The retinal vessel diameters were measured and expressed as the central retinal arteriolar equivalent (CRAE) and central retinal venular equivalent (CRVE) using standardized software...
2017: PloS One
https://www.readbyqxmd.com/read/28644238/prevention-and-management-of-descemet-membrane-endothelial-keratoplasty-complications
#3
Ruth Quilendrino, Marina Rodriguez-Calvo de Mora, Lamis Baydoun, Lisanne Ham, Korine van Dijk, Isabel Dapena, Silke Oellerich, Gerrit R J Melles
PURPOSE: To describe Descemet membrane endothelial keratoplasty (DMEK) complications and strategies for their prevention and management. METHODS: Five hundred consecutive eyes with DMEK of 393 patients were reviewed in this retrospective study for intraoperative and postoperative complications up to 2 years and for corresponding management. RESULTS: Intraoperative challenges (difficult graft unfolding/positioning, high vitreous pressure, iris root hemorrhage, and Descemet membrane remnants) were encountered in 81 eyes (16...
June 21, 2017: Cornea
https://www.readbyqxmd.com/read/28644236/cyp1b1-cytopathy-uncommon-phenotype-of-a-homozygous-cyp1b1-deletion-as-internal-corneal-ulcer-of-von-hippel
#4
Valeria Oliva-Biénzobas, Alejandro Navas, Mirena C Astiazarán, Oscar Francisco Chacón-Camacho, Jose A Bermúdez-Magner, Mariana Takane, Enrique Graue-Hernández, Juan Carlos Zenteno
PURPOSE: To report a mutation of CYP1B1 in a newborn with a rare phenotype without the classic features of anterior segment dysgenesis or congenital glaucoma. METHODS: The newborn presented with diffuse corneal edema and bilaterally elevated intraocular pressure (IOP). Ophthalmological examination, ultrasound, and ultrasound biomicroscopy were performed; congenital infections were ruled out. Genetic analysis was performed. The patient underwent penetrating keratoplasty and goniotomy in a single surgical time...
June 21, 2017: Cornea
https://www.readbyqxmd.com/read/28643797/deep-sclerectomy-for-uveitic-glaucoma-long-term-outcomes
#5
K Mercieca, L Steeples, N Anand
PurposeTo report long-term outcomes of deep sclerectomy (DS) in eyes with raised intraocular pressure (IOP) and glaucoma secondary to uveitis.Patients and methodsRetrospective consecutive case series of 43 eyes of 43 patients with uveitic glaucoma. Mitomycin C (MMC) 0.2-0.4 mg/ml was applied sub-conjunctivally prior to scleral flap dissection for 2-3 min in 35 eyes (81%). Combined phacoemulsification and DS was done in 4 cases (9%).ResultsMean follow-up was 68.5±33.5 months. In total, 23 eyes (53.5%) had previous intraocular surgery...
June 23, 2017: Eye
https://www.readbyqxmd.com/read/28643042/oct-in-alzheimer-s-disease-thinning-of-the-rnfl-and-superior-hemiretina
#6
João Paulo Cunha, Rita Proença, Arnaldo Dias-Santos, Rita Almeida, Helena Águas, Marta Alves, Ana Luísa Papoila, Carlota Louro, António Castanheira-Dinis
BACKGROUND: Peripapillary retinal nerve fiber layer (pRNFL) and internal macular layer thinning have been demonstrated in Alzheimer's disease (AD) with optical coherence tomography (OCT) studies. The purpose of this study is to compare the pRNFL thickness and overall retinal thickness (RT) in AD patients with non-AD patients, using spectral domain optical coherence tomography (SD-OCT) and determine the sectors most characteristically affected in AD. METHODS: A cross-sectional study was performed to determine the pRNFL and overall macular RT thicknesses in AD and non-AD patients, attending a tertiary hospital center...
June 22, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28643005/surgical-outcomes-of-27-gauge-pars-plana-vitrectomy-with-short-term-postoperative-tamponade-of-perfluorocarbon-liquid-for-repair-of-giant-retinal-tears
#7
Zhaotian Zhang, Yantao Wei, Xintong Jiang, Shaochong Zhang
PURPOSE: To investigate the use of 27-gauge pars plana vitrectomy (PPV) with short-term tamponade of perfluorocarbon liquid (PFCL) for repair of giant retinal tears (GRT). METHODS: Retrospective case series study. Consecutive patients with GRT were treated with 27-gauge PPV and short-term tamponade of PFCL for 7-10 days. PFCL was completely removed with a secondary surgery. RESULTS: Twenty-three eyes of 23 patients were included. All the patients achieved primary anatomic success...
June 22, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28641680/ophthalmological-evaluation-of-integrated-resistance-and-aerobic-training-during-70-day-bed-rest
#8
Giovanni Taibbi, Ronita L Cromwell, Susana B Zanello, Patrice O Yarbough, Robert J Ploutz-Snyder, Bernard F Godley, Gianmarco Vizzeri
INTRODUCTION: We evaluated ophthalmic changes in healthy individuals who underwent integrated resistance and aerobic training (iRAT) during 70-d 6° head-down tilt (HDT) bed rest (BR). METHODS: Participants were selected using NASA standard screening procedures. Standardized NASA BR conditions were implemented. Subjects were randomly assigned to the iRAT protocol or no exercise during HDTBR. Weekly ophthalmic examinations were performed in the sitting (pre/post-BR only) and HDT (BR only) positions...
July 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28640115/management-of-neovascular-glaucoma-with-intravitreal-ranibizumab-panretinal-photocoagulation-and-subsequent-5-fluorouracil-augmented-trabeculectomy-a-case-report
#9
Xinyue Zhao, Zhi Wang, Xiaobo Yang
RATIONALE: Neovascular glaucoma (NVG) is one of the most refractory types of glaucoma caused by high ischemic retinal disorders, resulting in severe visual loss. Intravitreal injections of ranibizumab have been reported to have anatomical and functional success in treating NVG. PATIENT CONCERNS-DIAGNOSES-INTERVENTIONS: We report a case with neovascular glaucoma due to central retinal vein occlusion who received combination therapy with intravitreal ranibizumab (IVR) injection, panretinal photocoagulation (PRP) and subsequent 5-fluorouracil (5-FU) augmented trabeculectomy...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639290/comparison-between-anti-vegf-therapy-and-corticosteroid-or-laser-therapy-for-macular-oedema-secondary-to-retinal-vein-occlusion-a-meta-analysis
#10
REVIEW
T Qian, M Zhao, X Xu
WHAT IS KNOWN AND OBJECTIVE: Therapeutic effects of anti-VEGF agents, corticosteroids and laser therapy have been previously examined for treating macular oedema secondary to branch and central retinal vein occlusion (BRVO and CRVO). However, anti-VEGF efficacy has not been previously compared to corticosteroid or laser therapy efficacy. We performed a meta-analysis to compare these treatments. METHODS: Pertinent publications were identified through comprehensive literature searches...
June 22, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28638951/isoflurane-and-ketamine-xylazine-differentially-affect-intraocular-pressure-associated-scotopic-threshold-responses-in-sprague-dawley-rats
#11
Vivian Choh, Akshay Gurdita, Bingyao Tan, Yunwei Feng, Kostadinka Bizheva, Daphne L McCulloch, Karen M Joos
PURPOSE: Amplitudes of electroretinograms (ERG) are enhanced during acute, moderate elevation of intraocular pressure (IOP) in rats anaesthetised with isoflurane. As anaesthetics alone are known to affect ERG amplitudes, the present study compares the effects of inhalant isoflurane and injected ketamine:xylazine on the scotopic threshold response (STR) in rats with moderate IOP elevation. METHODS: Isoflurane-anaesthetised (n = 9) and ketamine:xylazine-anaesthetised (n = 6) rats underwent acute unilateral IOP elevation using a vascular loop anterior to the equator of the right eye...
June 21, 2017: Documenta Ophthalmologica. Advances in Ophthalmology
https://www.readbyqxmd.com/read/28636261/characteristics-of-corneal-biomechanical-responses-detected-by-a-non-contact-scheimpflug-based-tonometer-in-eyes-with-glaucoma
#12
Younhea Jung, Hae-Young L Park, Hee Jung Yang, Chan Kee Park
PURPOSE: To determine the corneal biomechanical properties in eyes with glaucoma using a non-contact Scheimpflug-based tonometer. METHODS: Corneal biomechanical responses were examined using a non-contact Scheimpflug-based tonometer. The tonometer parameters of the normal control group (n = 75) were compared with those of the glaucoma group (n = 136), including an analysis of glaucoma subgroups categorized by visual field loss. RESULTS: After adjusting for potential confounding factors, including the intraocular pressure (IOP), central corneal thickness (CCT), age and axial length, the deformation amplitude was smaller in the glaucoma group (1...
June 21, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28636188/selective-laser-trabeculoplasty-as-replacement-therapy-in-medically-controlled-glaucoma-patients
#13
Myrjam De Keyser, Maya De Belder, Jonas De Belder, Veva De Groot
PURPOSE: We examined selective laser trabeculoplasty (SLT) as a replacement therapy for medically controlled open-angle glaucoma (OAG) or ocular hypertensive patients. METHODS: A prospective randomized interventional clinical trial on 143 glaucoma patients. Patients were randomized to either receiving SLT or to the control group that continued on pressure lowering medication. Data were recorded 1 hr, 1 week, 1, 3, 6, 12 and 18 months after SLT. Primary outcome was number of medications at 12 and 18 months while maintaining a predetermined target intraocular pressure (IOP)...
June 21, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28635137/effect-of-body-position-eyelid-manipulation-and-manual-jugular-compression-on-intraocular-pressure-in-clinically-normal-cats
#14
Seyed Mehdi Rajaei, Faezeh Asadi, Mohammad Reza Rajabian, Hesam Ostadhassan, Manuela Crasta
OBJECTIVE: To determine the effect of body position, eyelid manipulation, and manual jugular compression on intraocular pressure (IOP) in clinically normal cats. ANIMAL STUDIED: TWENTY-ONE ADULT CLIENT-OWNED DOMESTIC SHORTHAIR CATS: PROCEDURES: The IOP was measured by means of rebound tonometer. A baseline IOP was measured in all cats in ventral recumbency with normal head position (horizontal to the ground) with no pressure on the neck or eyelids. To measure the IOP in dorsal recumbency, each cat was held in the dorsal recumbency position for 5 min...
June 20, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28632845/iris-malformation-and-anterior-segment-dysgenesis-in-mice-and-humans-with-a-mutation-in-pi-3-kinase
#15
Marie H Solheim, Allen C Clermont, Jonathon N Winnay, Erlend Hallstensen, Anders Molven, Pål R Njølstad, Eyvind Rødahl, C Ronald Kahn
Purpose: To determine the ocular consequences of a dominant-negative mutation in the p85α subunit of phosphatidylinositol 3-kinase (PIK3R1) using a knock-in mouse model of SHORT syndrome, a syndrome associated with short stature, lipodystrophy, diabetes, and Rieger anomaly in humans. Methods: We investigated knock-in mice heterozygous for the SHORT syndrome mutation changing arginine 649 to tryptophan in p85α (PIK3R1) using physical examination, optical coherence tomography (OCT), tonometry, and histopathologic sections from paraffin-embedded eyes, and compared the findings to similar investigations in two human subjects with SHORT syndrome heterozygous for the same mutation...
June 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28632411/the-effect-of-dexamethasone-intravitreal-implant-on-retinal-nerve-fiber-layer-in-patients-diagnosed-with-branch-retinal-vein-occlusion
#16
Orhan Ayar, Atilla Alpay, Yaran Koban, Mehmet Orcun Akdemir, Serpil Yazgan, Sılay Canturk Ugurbas, Suat Hayri Ugurbas
PURPOSE: To evaluate the effect of a single dose of intravitreal dexamethasone (DEX) implant on retinal nerve fiber layer (RNFL) thickness in patients with branch retinal vein occlusion (BRVO) in a 6-month period. MATERIALS AND METHODS: This retrospective observational study included the patients with BRVO who received intravitreal DEX implant and whose assessment included the baseline RNFL thickness measurements. The data of 26 eyes of 24 patients were retrospectively analyzed...
June 20, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28632409/l-satropane-prevents-retinal-neuron-damage-by-attenuating-cell-apoptosis-and-a%C3%AE-production-via-activation-of-m1-muscarinic-acetylcholine-receptor
#17
Ping Yu, Wei Zhou, Lu Liu, Ya-Bin Tang, Yun Song, Juan-Juan Lu, Li-Na Hou, Hong-Zhuan Chen, Yong-Yao Cui
Muscarinic acetylcholine receptor (mAChR) agonists have been used to treat glaucoma due to their intraocular pressure-lowering effects. Recently, it has been reported that retinal mAChRs activation can also stimulate neuroprotective pathways. PURPOSE: In our study, we evaluated the potential neuroprotective effect of L-satropane, a novel mAChR agonist, on retinal neuronal injury induced by cobalt chloride (CoCl2) and ischemia/reperfusion (I/R). METHODS: CoCl2-induced hypoxia injury in cultured cell models and I/R-induced retinal neuronal damage in rats in vivo were used to evaluate the abilities of L-satropane...
June 20, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28631430/internal-cyclopexy-for-complicated-traumatic-cyclodialysis-cleft
#18
Cong Wang, Xiao-Yan Peng, Qi-Sheng You, Yi Liu, Xiu-Qin Pang, Peng-Fei Zheng, Jost B Jonas
PURPOSE: To assess the surgical and functional outcome of internal direct cyclopexy as therapy of complicated traumatic cyclodialysis. METHODS: The single-centre interventional case-series study included eyes with traumatic cyclodialysis who had consecutively been treated. Internal cyclopexy was performed using double-armed sutures introduced into the eye through the pars plana opposite to the cyclodialysis cleft and which were laid parallel to limbus. Additional procedures included cataract surgery, and pars plana vitrectomy...
June 20, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28630791/corticosteroid-treatment-in-diabetic-macular-edema
#19
REVIEW
Burcu Nurözler Tabakcı, Nurten Ünlü
Diabetic macular edema is the most common cause of visual impairment in patients with diabetes mellitus. The pathogenesis of macular edema is complex and multifactorial. For many years, laser photocoagulation has been considered the standard therapy for the treatment of diabetic macular edema; however, few patients achieve significant improvements in visual acuity. Today the intravitreal administration of anti-inflammatory or anti-angiogenic agents together with the use of laser photocoagulation represents the standard of care for the treatment of this complication...
June 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28630766/corneal-endothelial-characteristics-central-corneal-thickness-and-intraocular-pressure-in-a-population-of-chinese-age-related-cataract-patients
#20
Yingmei Li, Zhentao Fu, Jian Liu, Miao Li, Yuguang Zhang, Xinyi Wu
PURPOSE: To describe corneal endothelial characteristics, central corneal thickness, and intraocular pressure in a population of Chinese age-related cataract patients and to determine the effects of age, gender, hypertension, and body mass index (BMI). METHODS: 1551 eyes were examined preoperatively. The parameters measured were endothelial cell density (CD), average cell area (CA), coefficient of variation (CV), cell hexagonality (HEX), central corneal thickness (CCT), intraocular pressure (IOP), and axial length (AL)...
2017: Journal of Ophthalmology
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