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Ultrasound biomicroscopy

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https://www.readbyqxmd.com/read/28089285/thick-keratoconic-cornea-associated-with-posterior-polymorphous-corneal-dystrophy
#1
K Zaarour, E Slim, J Antoun, N Waked
INTRODUCTION: We herein report a case of bilateral unusually thick non-edematous keratoconic corneas with associated endothelial features of posterior polymorphous corneal dystrophy (PPCD). CASE REPORT: We report the case of a 27-year-old myopic woman who presented for refractive surgery. Slit lamp exam showed bilateral corneal protrusion with diffuse deep stromal and endothelial vesicular opacities and small paracentral bands. Topography showed generalized advanced corneal steepening in both eyes with increased anterior and posterior central corneal elevations in comparison to the best fit sphere...
January 12, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28087083/-isolated-microspherophakia-in-a-senegalese-family
#2
P A Ndoye Roth, S A Toure, H Kane, A S Sow, A M Wane, J M Ndiaye, A M Ka, J P Diagne, H M Diallo, M E Demedeiros Quenum, M Nguer, E A Ba, P A Ndiaye, M R Ndiaye
PURPOSE: To report the clinical investigation of isolated microspherophakia involving a Senegalese family in order to appreciate its functional impact. OBSERVATIONS: This is a rural family comprised of 7 members. The sibship included three girls and two boys. One of the girls, who lived in a distant zone, was unable to be examined. Of all the examined members of the family, only the father was unaffected by the illness. There was no consanguinity. The general medical examination was normal...
January 10, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28074538/ultrasound-biomicroscopy-and-tonometry-in-ophthalmologically-normal-pigeon-eyes
#3
Sangwan Park, Seonmi Kang, Jaegook Lim, Eunjin Park, Taekjin Nam, Seowoo Jeong, Kangmoon Seo
OBJECTIVE: To evaluate the feasibility of ultrasound biomicroscopy (UBM) and tonometry in pigeons and to provide biometric reference ranges for normal pigeon eyes. ANIMALS STUDIED: Ten pigeons (Columba livia var. domestica) with ophthalmologically normal eyes. PROCEDURES: Ophthalmic examinations, including slit-lamp biomicroscopy and tonometry, were performed to confirm that the eyes were normal. UBM was then performed on the left eye. On each obtained image, the ciliary cleft (CC) length, CC width, and CC area, and iridocorneal angle (ICA) were measured...
January 11, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28056057/flat-anterior-chamber-after-trabeculectomy-in-secondary-angle-closure-glaucoma-with-best1-gene-mutation-case-series
#4
Yimin Zhong, Xinxing Guo, Hui Xiao, Jingyi Luo, Chengguo Zuo, Xiaobo Huang, Jingjing Huang, Lan Mi, Qingjiong Zhang, Xing Liu
PURPOSE: Trabeculectomy has been regarded as a mainstay of initial treatment in eyes of angle closure glaucoma (ACG) with peripheral anterior synechia > 180° in the Chinese population while its efficacy in secondary ACG with BEST1 gene mutation remains unclear. We set out to investigate the treatment outcome of trabeculectomy for secondary ACG in a group of patients with autosomal recessive bestrophinopathy (ARB). METHODS: In this retrospective case series study, 8 secondary ACG patients with ARB and their 4 recruited family members underwent a thorough ophthalmic examination including best-corrected visual acuity, Goldmann applanation tonometry, gonioscopy, and fundus examinations...
2017: PloS One
https://www.readbyqxmd.com/read/28009404/vogt-koyanagi-harada-syndrome-uveomeningoencephalitic-syndrome
#5
Katerina Manethova, Jan Ernest, Michal Hrevus
PURPOSE: To report a case of a 29-year-old man who was examined at the Eye Clinic of Central Military University Hospital Prague for a severe headache and acute blurring of vision in both eyes diagnosed as incomplete Vogt-Koyanagi-Harada syndrome (VKH). METHODS: This is a retrospective and descriptive case report based on data from clinical records, patient observation and follow-ups and analysis of acquired diagnostic tests. RESULTS: A 29-year-old man presented with headache and decreased vision in his left eye (LE) for 2 days...
November 25, 2016: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28007115/comparison-of-stability-between-a-modular-intraocular-lens-system-and-a-single-piece-hydrophobic-acrylic-intraocular-lens
#6
Jeffrey R SooHoo, Stephen S Lane, Robert J Cionni, John P Berdahl, Glenn R Sussman, Malik Y Kahook
PURPOSE: To compare the movement of a modular intraocular lens (IOL) with that of a standard single-piece hydrophobic acrylic IOL in a human cadaver eye perfusion model. SETTING: Department of Ophthalmology, University of Colorado, Aurora, Colorado, USA. DESIGN: Experimental study. METHODS: Eight phakic human donor eyes of 4 patients had standard phacoemulsification with lens removal. One of 2 IOLs was then implanted in the capsular bag: a modular IOL (Harmoni) or a standard single-piece IOL (Acrysof SN60)...
December 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27966834/outcomes-of-scleral-buckling-using-chandelier-endoillumination
#7
Yuntao Hu, Shancheng Si, Ke Xu, Huijin Chen, Liang Han, Xin Wang, Zhizhong Ma
PURPOSE: To report the results and complications of scleral buckling for the treatment of rhegmatogenous retinal detachment (RRD) using 25-gauge chandelier endoillumination. METHODS: A total of 61 patients (61 eyes) with RRD were treated with scleral buckling. For the sclera buckling procedure, a 25-gauge chandelier was inserted through the pars plana for intra-ocular illumination, and retinal tears were identified and treated with episcleral cryotherapy under surgical microscope...
December 14, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27960582/ultrasound-biomicroscopy-in-pseudophakic-patients-with-unexplained-recurrent-hyphema-or-vitreous-hemorrhage
#8
Saba T Alniemi, Sejal R Amin, Luanne Sculley, Sophie J Bakri
PURPOSE: To describe IOL haptic with iris or ciliary body touch on ultrasound biomicroscopy (UBM) in pseudophakic patients with unexplained recurrent hyphema or vitreous hemorrhage. METHODS: Retrospective chart review of 10 patients who presented with unexplained recurrent hyphema and or vitreous hemorrhage. RESULTS: There were eight posterior chamber intraocular lenses (PCIOL) and two sulcus lenses. Four cases had a history of glaucoma; two cases which had a history of trabeculectomy were found to have some bridging vessels along the sclerostomy requiring argon laser gonioplasty...
December 14, 2016: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/27939559/posterior-vault-distance-of-ciliary-sulcus-implanted-three-piece-intraocular-lenses-according-to-ciliary-sulcus-diameter
#9
Youngsub Eom, Ho Sik Hwang, Jin Young Hwang, Jong Suk Song, Hyo Myung Kim
PURPOSE: To investigate the correlation among preoperative biometry data, postoperative ciliary sulcus diameter, posterior vault distance, and effective lens position of ciliary sulcus-implanted intraocular lenses (IOLs). DESIGN: Retrospective interventional case series METHODS: Twenty-six eyes of 26 patients who underwent phacoemulsification with implantation of a ZA9003 IOL (Abbott Medical Optics Inc., Santa Ana, CA, USA) in the ciliary sulcus. We analyzed correlations among preoperative biometry data and ultrasound biomicroscopy measurements, ciliary sulcus diameter, posterior vault distance, and effective lens position...
December 6, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27938974/inadvertent-implantation-of-an-istent-in-the-supraciliary-space-identified-by-ultrasound-biomicroscopy
#10
Anand V Mantravadi, Clarissa Lin, Bhumi Kinariwala, Michael Waisbourd
No abstract text is available yet for this article.
December 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/27911429/-iridal-lymphoma-clinical-case
#11
S V Saakyan, E B Myakoshina
This is a case report of rare iridal involvement in intraocular lymphoma confirmed by the full range of diagnostic measures, including ultrasound biomicroscopy, optical coherence tomography of the anterior segment of the eye, iridectomy with biopsy and further cytological and histopathological examination of the obtained material.
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27911425/-biometric-parameters-of-vitrectomized-eyes
#12
S V Asatryan, V K Surguch, S I Kharlap, T A Shchegoleva
AIM: To analyze changes in various biometric parameters after vitrectomy. MATERIAL AND METHODS: A total of 50 patients (50 eyes) were followed up. All of them underwent vitrectomy for idiopathic epiretinal fibrosis and macular hole. In addition to the standard ophthalmic examination, we performed a combined ultrasound study and ultrasound biomicroscopy before and after the surgery (at 2-3 weeks and 6 months). Variation statistics was applied to assess the results using the SPSS Statistica 20 software...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27898469/update-on-pigment-dispersion-syndrome-and-pigmentary-glaucoma
#13
Kingsley Okafor, Kateki Vinod, Steven J Gedde
PURPOSE OF REVIEW: The present article reviews the clinical features and pathogenesis of pigment dispersion syndrome and pigmentary glaucoma and provides an update regarding their diagnosis and management. RECENT FINDINGS: Newer imaging modalities including ultrasound biomicroscopy and anterior segment optical coherence tomography facilitate visualization of the iris concavity characteristic of eyes with pigment dispersion syndrome and pigmentary glaucoma. Patients with pigmentary glaucoma may be distinguished from those with other glaucoma types by the presence of typical symptoms, personality type, and patterns of diurnal intraocular pressure fluctuation...
November 25, 2016: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/27846838/effects-of-shenlian-extract-on-experimental-atherosclerosis-in-apoe-deficient-mice-based-on-ultrasound-biomicroscopy
#14
Yan Guo, Xu-Cen Liu, Ya-Jie Wang, Qi Li, Qing Yang, Xiao-Gang Weng, Ying Chen, Wei-Yan Cai, Xiao-Xi Kan, Xi Chen, He-Fei Huang, Xiao-Xin Zhu, Yu-Jie Li
BACKGROUND: This study directly and dynamically investigated the effects of SL extract (i.e., a combination of Radix Salviae miltiorrhizae and Andrographis paniculata extract) on plaque progression in vivo by high resolution ultrasound biomicroscopy (UBM). METHODS: An atherosclerosis model was established by placing a perivascular collar on the right common carotid artery in apolipoprotein E-deficient (ApoE(-/-)) mice. Thickness, plaque area and local blood flow were observed by UBM, pathological changes were observed by histochemical staining, and lipid levels were measured by respective commercially available kits...
November 15, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27826065/image-features-of-lens-opacity-in-pediatric-cataracts-using-ultrasound-biomicroscopy
#15
Daoman Xiang, Lihong Chen, Lanxiang Hu, Shengfang Song, Wanhua Xie, Jingji Long
PURPOSE: To study lens opacity in pediatric cataract images captured using ultrasound biomicroscopy (UBM). METHODS: The medical records of patients operated on from September 2012 to October 2013 were reviewed retrospectively. Prior to surgery, patients were placed in the supine position under sedation with oral chloral hydrate for UBM imaging. Lens morphology was evaluated by UBM examination with a 50 MHz probe that was equipped with a water bag instead of the standard plastic shell...
December 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27811575/comparison-of-anterior-chamber-parameters-in-patients-with-plateau-iris-configuration-and-pupillary-block-using-asoct
#16
Sasan Moghimi, Mohammadyaser Kiaroudi, Paul Coh, Yingjie Li, Mingguang He, Shan C Lin
PURPOSE: To quantitatively analyze the anterior chamber parameters in patients with pupillary block (PB) and plateau iris configuration (PIC) using anterior segment optical coherence tomography (ASOCT). PATIENTS AND METHODS: In this cross-sectional study, nonglaucomatous subjects consecutively recruited and a total of 212 eyes divided into 3 groups of PIC (31 eyes), PB (60 eyes), and open angles (121 eyes) based on gonioscopic and ultrasound biomicroscopy findings...
November 2, 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27800176/anterior-segment-imaging-in-ocular-surface-squamous-neoplasia
#17
REVIEW
Sally S Ong, Gargi K Vora, Preeya K Gupta
Recent advances in anterior segment imaging have transformed the way ocular surface squamous neoplasia (OSSN) is diagnosed and monitored. Ultrasound biomicroscopy (UBM) has been reported to be useful primarily in the assessment of intraocular invasion and metastasis. In vivo confocal microscopy (IVCM) shows enlarged and irregular nuclei with hyperreflective cells in OSSN lesions and this has been found to correlate with histopathology findings. Anterior segment optical coherence tomography (AS-OCT) demonstrates thickened hyperreflective epithelium with an abrupt transition between abnormal and normal epithelium in OSSN lesions and this has also been shown to mimic histopathology findings...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27790134/optical-coherence-tomography-angiography-of-iris-nevus-a-case-report
#18
Davide Allegrini, Giovanni Montesano, Alfredo Pece
Iris nevus is common: 6% of patients with suspected iris melanoma have lesions other than melanoma, and 36% of them are nevi. Iris nevus turns into melanoma in approximately 8% of cases at a mean of 15 years. This case report provides the first description of an iris tumor examined with iris optical coherence tomography angiography (OCTA) compared to iris fluorescein angiography (IFA). A 60-year-old man with a diagnosis of iris nevus in the left eye was referred to our department for IFA and iris OCTA. The iris vasculature in IFA was visible only in the early phases, but not clearly...
September 2016: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/27770479/hidden-mechanisms-beyond-the-pupillary-block-in-acute-angle-closure-ultrasound-biomicroscopic-study
#19
Yanin Suwan, Sunpong Jiamsawad, Wasu Supakontanasan, Chaiwat Teekhasaenee
BACKGROUND: To evaluate the mechanisms of acute angle-closure (AAC) other than the pupillary block using ultrasound biomicroscopy DESIGN: Retrospective chart review. PARTICIPANTS: All patients who were diagnosed with AAC in Ramathibodi Hospital, Bangkok, Thailand, between June 2011 and February 2015 were enrolled. METHODS: 72 patients who were diagnosed with AAC underwent a detailed ocular examination. The diagnosed mechanism of AAC was confirmed by UBM and ocular biometry...
October 22, 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/27760732/maternal-vascular-responses-to-hypoxia-in-a-rat-model-of-intrauterine-growth-restriction
#20
Mais M Aljunaidy, Jude S Morton, Christy-Lynn Cooke, Sandra T Davidge
Intrauterine growth restriction (IUGR) is a common pregnancy complication and is a leading cause of fetal morbidity and mortality. Placental hypoxia contributes to adverse fetal consequences, such as IUGR. Exposing pregnant rats to hypoxia can lead to IUGR; however, assessment of maternal vascular function in a rat model of hypoxia, and the mechanisms that may contribute to adverse pregnancy outcomes, has not been extensively studied. We hypothesized that exposing pregnant rats to hypoxia will affect maternal systemic vascular function and increase the uterine artery resistance index (RI), which will be associated with IUGR...
December 1, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
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