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Ultrasound biomicroscopy

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https://www.readbyqxmd.com/read/29160547/ultrasound-biomicroscopy-in-acetazolamide-induced-myopic-shift-with-appositional-angle-closure
#1
Julio Daniel Grigera, Emilio Daniel Grigera
We report a case of a 49-year-old female who presented to the emergency department with blurred vision and vomiting, hours after taking two tablets of 250 mg of acetazolamide. The anterior chamber was bilaterally flat, with normal intraocular pressure in both eyes. An ultrasound biomicroscopic (UBM) examination showed bilateral ciliary effusion and complete appositional angle closure in all quadrants. Acetazolamide-induced bilateral angle closure was diagnosed. Steroid and cycloplegic therapy were initiated, and acetazolamide was discontinued...
September 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/29156467/-diagnosis-and-therapy-of-iris-lesions
#2
Joel M Mor, Konrad R Koch, Ludwig M Heindl
The most common iris lesions are iris nevi, iris melanomas and iris pigment epithelium cysts. However, there is an abundance of rare differential diagnoses that have to be considered, including other melanocytic and non-melanocytic lesions. Diagnostic tools include the slit lamp examination, gonioscopy, tonometry, transillumination, ultrasound biomicroscopy (UBM), optical coherence tomography, fluorescein angiography and standardized photography-assisted documentation. The timely identification of malignant lesions (i...
November 20, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29151682/anterior-segment-morphology-in-primary-angle-closure-glaucoma-using-ultrasound-biomicroscopy
#3
Tarannum Mansoori, Nagalla Balakrishna
Aim: To evaluate the configuration of the anterior chamber angle quantitatively and study the morphological changes in the eye with ultrasound biomicroscopy (UBM) in primary angle closure glaucoma (PACG) patients after laser peripheral iridotomy (LPI). Materials and methods: A total of 185 eyes of 185 PACG patients post-LPI and 126 eyes of 126 normal subjects were included in this prospective study. All subjects underwent complete ophthalmic evaluation, A-scan biometry, and UBM...
September 2017: Journal of Current Glaucoma Practice
https://www.readbyqxmd.com/read/29142760/outcomes-of-primary-endoresection-for-choroidal-melanoma
#4
Andre A C Vidoris, Andre Maia, Marcia Lowen, Melina Morales, Jordan Isenberg, Bruno F Fernandes, Rubens N Belfort
Purpose: To review long time treatment results in patients with small or medium sized choroidal melanoma who underwent surgical tumor endoresection as a primary treatment when plaque radiotherapy was unable and patients declined enucleation. Materials and methods: Patients were evaluated for best corrected visual acuity (BCVA), and underwent biomicroscopy, indirect ophthalmoscopy, retinography and ultrasound as well as the usual systemic workup. Study inclusion required the absence of scleral invasion or metastasis and an anterior margin not exceeding the pars plana or the ciliary body...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/29128229/proton-beam-therapy-for-iris-melanomas-in-107-patients
#5
Juliette Thariat, Ahmed Rahmi, Julia Salleron, Carlo Mosci, Benjamin Butet, Celia Maschi, Francesco Lanza, Sara Lanteri, Stephanie Baillif, Joel Herault, Thibaud Mathis, Jean Pierre Caujolle
PURPOSE: To report on the clinical characteristics and outcomes for patients with iris melanoma using proton therapy. DESIGN: Retrospective study. PARTICIPANTS: One hundred seven patients with iris melanoma from 3 regional ophthalmologic centers. METHODS: A retrospective study was conducted for iris melanoma patients from 3 regional ophthalmologic centers referred to and treated at a single proton therapy facility between 1996 and 2015...
November 8, 2017: Ophthalmology
https://www.readbyqxmd.com/read/29122822/posterior-keratoconus
#6
REVIEW
Megan R Silas, Sarah M Hilkert, James J Reidy, Asim V Farooq
Posterior keratoconus (PKC) is a rare, typically non-inflammatory condition that is characterised by an abnormal posterior corneal curvature, which may be accompanied by overlying stromal opacification. It is usually congenital and can be associated with other ocular and systemic abnormalities. PKC remains a clinical diagnosis, although imaging techniques including ultrasound biomicroscopy and anterior segment optical coherence tomography may be useful tools for confirmation and classification. Genetic studies should be considered, although no specific genetic defects have been identified thus far...
November 9, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29119030/latanoprost-induced-iris-pigment-epithelial-and-ciliary-body-cyst-formation-in-hypermetropic-eyes
#7
Abhijit Anand Mohite, Rangarajan V Prabhu, Thomas Ressiniotis
Purpose: Latanoprost has become one of the most widely prescribed topical antihypertensive medications in recent years. Yet there have been few reports of secondary iris pigment epithelial (IPE) and ciliary body (CB) cyst formation to date and none, to our knowledge, reported in eyes predisposed to primary angle closure. Methods: We report the first documented case of bilateral IPE and CB cysts in a hypermetropic patient with prior laser peripheral iridotomies (LPIs) as a rare, delayed side effect of topical Latanoprost treatment...
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/29117006/phacoemulsification-in-eyes-with-post-trabeculectomy-choroidal-detachment
#8
Artemios S Kandarakis, George A Kontadakis, Stylianos A Kandarakis, Chrysostomos Dimitriou, Iordanis Chatziangelidis, Dimitrios Karagiannis
Four patients developed choroidal detachment within three months after trabeculectomy, documented with b-scan ultrasonography (BUS) and ultrasound biomicroscopy (UBM). Intraocular pressure (IOP) of the patients ranged from 3 to 5 mm Hg. Patients were treated with cycloplegia and steroids without complete resolution of detachment. Twelve months later all patients had developed visually significant cataracts and underwent phacoemulsification and intraocular lens implantation. Procedures were uncomplicated. Visual acuity ranged 0...
November 7, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/29111598/comparison-of-corneal-thickness-measurements-using-ultrasound-pachymetry-ultrasound-biomicroscopy-and-digital-caliper-in-frozen-canine-corneas
#9
Seowoo Jeong, Seonmi Kang, Sangwan Park, Eunjin Park, Jaegook Lim, Taekjin Nam, Kangmoon Seo
OBJECTIVE: To evaluate the clinical efficacy among ultrasound pachymetry (UP), ultrasound biomicroscopy (UBM), and manual measurement (MM) with digital caliper by comparing corneal thickness (COT) values obtained from frozen canine corneas ex vivo. PROCEDURES: COT was measured using UP, UBM, and MM in eight enucleated normal canine eyes frozen at -20 °C for 4 weeks. After thawing at room temperature for 2 h, the COT values were obtained from five sites on each cornea: central corneal thickness (CCOT), thickness at the 3, 6, 9, and 12 o'clock positions (3COT, 6COT, 9COT, and 12COT, respectively)...
November 7, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29099668/successful-conservative-treatment-of-massive-choroidal-relapse-in-2-retinoblastoma-patients-monitored-by-ultrasound-biomicroscopy-and-or-spectral-domain-optic-coherence-tomography
#10
Christina Stathopoulos, Marie-Claire Gaillard, Francesco Puccinelli, Philippe Maeder, Doris Hadjistilianou, Maja Beck-Popovic, Francis L Munier
PURPOSE: To report the occurrence and management of secondary choroidal infiltration in two retinoblastoma (rb) patients. METHODS: Fundus examination and imaging with spectral domain optical coherence tomography (SD-OCT), B-scan ultrasonography (B-scan), and ultrasound biomicroscopy (UBM). RESULTS: Case 1: A 19-month-old girl with multifocal unilateral group B rb pretreated with intravenous chemotherapy (IVC) was referred for further management...
November 3, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/29099437/isotretinoin-induced-angle-closure-and-myopic-shift
#11
Young-Myoung Park, Tae-Eun Lee
PURPOSE: To report and describe the management a rare case of transient bilateral angle closure with increased intraocular pressure (IOP) and myopic shift while on isotretinoin therapy for acne. METHODS: A 28-year-old woman presented with bilateral myopic shift, angle closure with IOP increase, and supraciliary effusion 1 week after acne therapy with isotretinoin. Two weeks after stopping isotretinoin, and treatment with topical prednisolone acetate, atropine, and fixed combination of timolol and dorzolamide, refraction, IOP returned to normal and supraciliary effusions was decreased on ultrasound biomicroscopy...
November 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/29078747/cionni-modified-capsular-tension-ring-for-surgical-repair-of-cyclodialysis-after-trabeculectomy-a-case-report
#12
Qinghe Jing, Jiahui Chen, Junyi Chen, Yating Tang, Yi Lu, Yongxiang Jiang
BACKGROUND: To report a case for repair of cyclodialysis after trabeculectomy with Cionni-modified capsular tension ring. CASE PRESENTATION: A 64-year-old man who had undergone trabeculectomy of his left eye 3 months earlier visited our clinic owing to blurred vision. His visual acuity was 20/2000 and the intraocular pressure (IOP) was 6 mmHg. Slit-lamp examination showed a shallow anterior chamber and dense cataract. Ultrasound biomicroscopy revealed 360 ° detachment of the ciliary body and suspected cyclodialysis of the trabeculectomy incision...
October 27, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29077625/chronic-and-intermittent-angle-closure-caused-by-in-the-bag-capsular-tension-ring-and-intraocular-lens-dislocation-in-patients-with-pseudoexfoliation-syndrome
#13
Frank Bochmann, Jörg Strümer
PURPOSE: A subluxation or dislocation of the intraocular lens (IOL) is a well-known complication after cataract surgery in patients with pseudoexfoliation syndrome (PEX). Capsular tension rings (CTR) are frequently used to prevent postoperative complications caused by zonular weakness. Here we present a series of 7 cases, 2 with intermittent and 5 with acute angle closure caused by a combination of PEX-associated zonular weakness and a resulting unstable capsular bag-CTR-IOL complex. MATERIALS AND METHODS: We describe the typical clinical course with elevated intraocular pressure, myopic shift, and shallowing of the anterior chamber in 7 patients with a new type of secondary angle closure...
November 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/29063980/bilateral-acute-angle-closure-glaucoma-and-myopic-shift-by-topiramate-induced-ciliochoroidal-effusion-case-report-and-literature-review
#14
Yu-Wen Lan, Jui-Wen Hsieh
PURPOSE: To report two cases of ciliochoroidal effusion after the usage of topiramate. CASES: Two middle-aged women experienced sudden onset of acute glaucoma and acquired myopia after taking topiramate. Ultrasound biomicroscopy demonstrated bilateral ciliochoroidal effusion and angle closure. The A-scan ultrasonography revealed shallow anterior chamber and thick lens. After the treatment and drug withdrawal, intraocular pressure, refractive status and angle anatomy returned to normal and there was resolution of ciliochoroidal effusion...
October 24, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/29044057/clinicodemographic-profile-and-treatment-outcome-in-patients-of-ocular-surface-squamous-neoplasia
#15
Rachna Meel, Rebika Dhiman, Murugesan Vanathi, Neelam Pushker, Radhika Tandon, Saranya Devi
PURPOSE: The aim is to study the clinicodemographic profile and treatment outcome of ocular surface squamous neoplasia (OSSN). METHODS: This was a retrospective observational study of 57 eyes (56 cases) with clinically diagnosed OSSN, presenting in our center over the past year. RESULTS: The median age of presentation was 55 years with male:female ratio being 4.5:1. Systemic predisposing conditions were xeroderma pigmentosa (1) postkidney transplant immunosuppression (1), and human immunodeficiency virus infection (1)...
October 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29038978/panuveitis-like-reaction-following-encircling-laser-retinopexy-cerclage-in-a-21-year-old-male
#16
David Francis Fullon Chan, Milagros Herrera-Arroyo, Darby E Santiago, Teresita R Castillo, Ma Florentina Q Fajardo-Gomez
BACKGROUND: Severe vision-impairing ocular inflammation is rarely reported following extensive laser. Previous cases have involved retinal photocoagulation for diabetic retinopathy resolving over days. This report documents a rare instance of this where encircling retinopexy/cerclage was done as fellow eye retinal detachment prophylaxis in a patient with no overt comorbidities. RESULTS: A panuveitis-like reaction with severe, near-total visual impairment was documented 1 day following single-sitting encircling laser retinopexy/cerclage done as fellow eye prophylaxis for a 21-year-old male presenting with total retinal detachment in the other eye...
October 16, 2017: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/29037659/the-accuracy-of-wide-field-ultrasound-biomicroscopy-in-localizing-extraocular-rectus-muscle-insertions-in-strabismus-reoperations
#17
Arash Mirmohammadsadeghi, Vahideh Manuchehri, Mohammad Reza Akbari
PURPOSE: To compare the accuracy of widefield ultrasound biomicroscopy (UBM) with mechanical intraoperative measurements of the distance between rectus muscle insertions and the corneal limbus in strabismus reoperations. METHODS: Subjects with a history of horizontal rectus muscle surgery who required further surgery on horizontal rectus muscle(s) were recruited prospectively. All widefield UBM measurements were carried out under topical anesthesia using a 50 MHz linear probe without immersion cup and external caliper...
October 13, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/29034562/canine-central-corneal-thickness-measurements-via-pentacam-hr-%C3%A2-optical-coherence-tomography-optovue-ivue-%C3%A2-and-high-resolution-ultrasound-biomicroscopy
#18
Allison E Wolfel, Samantha L Pederson, Allison M Cleymaet, Ann M Hess, Kate S Freeman
OBJECTIVE: To compare central corneal thickness (CCT) values in canine eyes using Pentacam-HR(®) Scheimpflug imaging (Pentacam), Optovue(®) iVue spectral-domain optical coherence tomography (SD-OCT), and high-resolution ultrasound biomicroscopy (UBM) and generate normative canine Pentacam CCT values. ANIMALS STUDIED: Twenty-four client-owned dogs (37 eyes) with nondiseased cornea(s) presenting to the Colorado State University Veterinary Teaching Hospital. PROCEDURES: Corneal images were acquired via Pentacam, SD-OCT, and UBM in the listed order...
October 15, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29026691/accuracy-of-crescent-sign-on-ocular-ultrasound-in-diagnosing-papilledema
#19
Ananth Bhosale, Virna M Shah, Parag K Shah
AIM: To study the usefulness of orbital ultrasonography in the diagnosis of papilledema. METHODS: Fifty patients who were referred to the neurophthalmology clinic and clinically suspected to have papilledema were selected. Thorough, clinical examination with slitlamp biomicroscopy and visual acuity assessment was done. These patients underwent ultrasonography to demonstrate the crescent sign. The patients were further evaluated with the neurologist and magnetic resonance imaging (MRI) thus confirming the diagnosis of papilledema...
September 26, 2017: World Journal of Methodology
https://www.readbyqxmd.com/read/28991616/refractive-lens-exchange-and-piggyback-intraocular-lens-implantation-in-nanophthalmos-visual-and-structural-outcomes
#20
Masoomeh Mohebbi, Mohammad-Reza Fallah-Tafti, Kaveh Fadakar, Ramon Katoozpour, Seyed-Farzad Mohammadi, Zahra Fallah-Tafti, Azita Khorami
PURPOSE: To evaluate the best piggyback intraocular lens (IOL) implantation method and the outcomes in nanophthalmos eyes and to define the postoperative structural changes. SETTING: Farabi Eye Hospital, Tehran, Iran. DESIGN: Prospective case series. METHODS: Candidates for refractive surgery who were nanophthalmic were recruited. Patients had refractive lens exchange followed by implantation of both IOLs in the bag or 1 IOL in the bag and 1 IOL in the sulcus...
September 2017: Journal of Cataract and Refractive Surgery
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