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Ultrasound in ophthalmology

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https://www.readbyqxmd.com/read/29721842/pigment-dispersion-syndrome-and-pigmentary-glaucoma-a-review-and-update
#1
Gianluca Scuderi, Maria Teresa Contestabile, Luca Scuderi, Aloisa Librando, Vito Fenicia, Siavash Rahimi
INTRODUCTION: Potential factors influencing stereopsis were investigated in patients with both refractive accommodative esotropia (RAE) and amblyopia. Pigment dispersion syndrome (PDS) is a condition where anomalous iridozonular contact leads to pigment dispersion throughout the anterior segment and the released pigment is abnormally deposited on various ocular structures. CLINICAL PRESENTATION: The clinical presentation of PDS is defined by the presence of pigmented cells on the corneal endothelium, an increase of pigmentation of the trabecular meshwork, and mid-periphery transillumination defects of the iris...
May 2, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29705173/ultrasonographic-prenatal-imaging-of-fetal-ocular-and-orbital-abnormalities
#2
REVIEW
Courtney L Ondeck, Dolores Pretorius, Jill McCaulley, Michael Kinori, Theresa Maloney Rdms, Andrew Hull, Shira L Robbins
Technological progress in medicine has provided earlier diagnosis, even in the prenatal period. We address ultrasonographic imaging of the prenatal eye and orbit. During development of these structures, multiple pathologies and diseases can arise. Orbital anomalies can be detected prenatally using ultrasound or MRI. Some of these include congenital cataracts, hypertelorism, hypotelorism, dacryocystocele, microphthalmia, anophthalmia, orbital tumors/masses, and septo-optic dysplasia. We describe characteristic ultrasound findings of these diseases...
April 26, 2018: Survey of Ophthalmology
https://www.readbyqxmd.com/read/29663900/congenital-toxoplasmosis-in-tunisia-prenatal-and-neonatal-diagnosis-and-postnatal-follow-up-of-35-cases
#3
Boudaouara Yosr, Aoun Karim, Maatoug Rania, Souissi Olfa, Bouratbine Aïda, Ben Abdallah Rym
Congenital toxoplasmosis (CT) results from transplacental passage of Toxoplasma gondii to the fetus during acute maternal infection. Our study aims to report clinical and biological patterns of 35 cases of CT diagnosed at the department of the Parasitology of the Pasteur Institute of Tunis and to access the performance of prenatal and early postnatal diagnosis techniques. Serological screening of maternal infection was performed by Immunoglobulin (Ig) M and IgG detection and IgG avidity determination. Prenatal diagnosis was based on both Toxoplasma DNA detection in the amniotic fluid and monthly ultrasound examinations...
April 16, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29575657/consensus-on-procedures-to-include-in-a-simulation-based-curriculum-in-ophthalmology-a-national-delphi-study
#4
Ann Sofia Skou Thomsen, Morten la Cour, Charlotte Paltved, Karen Gilboe Lindorff-Larsen, Bjørn Ulrik Nielsen, Lars Konge, Leizl Joy Nayahangan
PURPOSE: The number of available simulation-based models for technical skills training in ophthalmology is rapidly increasing, and development of training programmes around these procedures should follow a structured approach. The aim of this study was to identify all technical procedures that should be integrated in a simulation-based curriculum in ophthalmology. METHODS: Key opinion leaders involved in the education of ophthalmologists in Denmark including heads of departments, heads of clinical education, professors and board members of the society were invited to participate in a three-round Delphi process...
March 25, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29509052/comparison-of-central-corneal-thickness-with-ultrasound-pachymetry-noncontact-specular-microscopy-and-spectral-domain-optical-coherence-tomography
#5
Sevil Karaman Erdur, Goktug Demirci, Funda Dikkaya, Mehmet Selim Kocabora, Mustafa Ozsutcu
BACKGROUND: To determine the agreement of central corneal thickness (CCT) measurements taken with ultrasonic pachymetry (USP), spectral domain optical coherence tomography (SD-OCT) and noncontact specular microscopy (NSM). METHODS: A prospective, observational, cross-sectional study was performed in the outpatient ophthalmology clinic. CCT was measured in a total of 147 eyes of 147 consecutive healthy patients with USP, NSM, and SD-OCT. Same examiner performed all examinations...
March 6, 2018: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/29500812/acute-ocular-pain-during-magnetic-resonance-imaging-due-to-retained-intraocular-metallic-foreign-body-the-role-of-ultrasonography-and-ultrasound-biomicroscopy-in-diagnosis-and-management-of-this-condition
#6
REVIEW
Nikolaos Mamas, Konstantinos Andreanos, Dimitrios Brouzas, Andreas Diagourtas, Andreas Droulias, Ilias Georgalas, Dimitrios Papaconstantinou
PURPOSE: To report the case of a 65-year-old metalworker with no known history of ocular trauma, who suffered from intense ocular pain during magnetic resonance imaging (MRI) of the brain, due to a retained intraocular metallic foreign body (IOFB). CASE REPORT: Meticulous ophthalmological examination was inconclusive. An IOFB was confirmed with X-ray scan, whereas its exact localization was enabled by means of ultrasonography and ultrasound biomicroscopy (UBM). CONCLUSIONS: Despite appropriate screening protocols, MRI-related ocular complications might occur in the presence of a hidden metallic IOFB...
March 2, 2018: Journal of Ultrasound
https://www.readbyqxmd.com/read/29492841/a-survey-of-ocular-ultrasound-abnormalities-in-horse-145-cases
#7
Rodolfo Gialletti, Andrea Marchegiani, Tiziana Valeriani, Sara Nannarone, Francesca Beccati, Alessandro Fruganti, Fulvio Laus
PURPOSE: To describe the association of clinical and ultrasonographic (US) findings in horses affected by visual impairments, to estimate the most frequent ultrasonographic alteration as well importance and limits of US as a part of ophthalmic evaluation in equine patients. METHODS: One-hundred-forty-five horses referred to the Veterinary Teaching Hospitals of the University of Perugia and Camerino for ocular problems were submitted to ophthalmic examination and ocular ultrasound...
March 2018: Journal of Ultrasound
https://www.readbyqxmd.com/read/29487814/functional-evaluation-of-the-filtering-bleb-by-ultrasound-biomicroscopy-after-trabeculectomy-with-mitomycin-c
#8
Ali Abbas El Salhy, Rabab Mohamed Elseht, Ahmed Fekry Al Maria, Saied Mohamed Abd El-Wahab Shalaby, Tarek Ragaee Hossein
AIM: To study the role of ultrasound biomicroscopy (UBM) in the assessment of the bleb function after trabeculectomy with mitomycin C (MMC). METHODS: This was a cross-sectional study including all cases had undergone trabeculectomy with MMC 0.2 mg/mL for 3min. Participants were recruited from the follow-up cases at Department of Ophthalmology, Tanta University in the period from August 2015 to August 2016. Full history taking and ophthalmological examination were performed...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29482864/laser-peripheral-iridotomy-in-primary-angle-closure-a-report-by-the-american-academy-of-ophthalmology
#9
Sunita Radhakrishnan, Philip P Chen, Anna K Junk, Kouros Nouri-Mahdavi, Teresa C Chen
PURPOSE: To examine the efficacy and complications of laser peripheral iridotomy (LPI) in subjects with primary angle closure (PAC). METHODS: Literature searches in the PubMed and Cochrane databases were last conducted in August 2017 and yielded 300 unique citations. Of these, 36 met the inclusion criteria and were rated according to the strength of evidence; 6 articles were rated level I, 11 articles were rated level II, and 19 articles were rated level III. RESULTS: Reported outcomes were change in angle width, effect on intraocular pressure (IOP) control, disease progression, and complications...
February 23, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29461922/a-fishy-eyelid-injury
#10
Pavindran Gounder, Chandrashan Perera, Glenn Moore, Neil Powers, Kayvan Arashvand
A 9-year-old girl was reviewed by a tertiary ophthalmology service after being hit in her right upper eyelid by a fish whilst swimming. Initial wound exploration demonstrated fish scales in the wound. She was first treated conservatively with washout of the 5-mm wound and was discharged with oral ciprofloxacin. Five days later, the patient re-presented with a worsened ptosis due to periorbital swelling. Ultrasound of the upper lid demonstrated a foreign body in the upper lid. The patient was taken to theatre and, with the assistance of intraoperative ultrasound, the jaws of a needle fish were removed from the upper lid...
February 20, 2018: Orbit
https://www.readbyqxmd.com/read/29404803/the-use-of-ocular-ultrasound-to-diagnose-retinal-detachment-a-case-demonstrating-the-sonographic-findings
#11
Ariel Botwin, Adam Engel, Christopher Wasyliw
Retinal detachment is an ophthalmologic emergency that requires immediate medical attention as it can potentially lead to permanent vision loss. The gold standard for diagnosing retinal detachment is dilated funduscopic exam. However, when this exam is not feasible such as in an emergency room setting or if visualization of the posterior portion of the eye is not possible due to vitreous hemorrhage or dense cataracts, ocular ultrasound provides a readily available and effective alternative. We present the sonographic appearance of chronic retinal detachment in a 24-year-old female with a longstanding history of poorly controlled type 1 diabetes who could not undergo dilated funduscopic exam due to intra-ocular hemorrhage...
February 5, 2018: Emergency Radiology
https://www.readbyqxmd.com/read/29379104/slit-lamps-and-lenses-a-potential-source-of-nosocomial-infections
#12
Bianka Sobolewska, Michael Buhl, Jan Liese, Focke Ziemssen
PURPOSE: The aim of the study was to evaluate the bacterial contamination level of contact surfaces on slit lamps and the grip areas of lenses. METHODS: Within unannounced audits, two regions of the slit lamps (headrest and joystick), indirect ophthalmoscopy devices, and ultrasound probes were obtained with rayon-tipped swab. Non-contact lenses used for indirect fundoscopy were pressed on RODAC (Replicate Organism Detection and Counting) plates. One hundred and eighty-one surfaces were sampled...
January 30, 2018: Eye
https://www.readbyqxmd.com/read/29335100/risk-factors-for-and-management-of-pupillary-intraocular-lens-capture-after-intraocular-lens-transscleral-fixation
#13
Se Rang Choi, Ji Hoon Jeon, Joon Won Kang, Jang Won Heo
PURPOSE: To analyze risk factors and management of pupillary intraocular lens (IOL) capture after IOL transscleral fixation. SETTING: Department of Ophthalmology, Seoul National University Hospital, Seoul, South Korea. DESIGN: Retrospective case series. METHODS: A chart review was performed of patients who had transscleral fixation of IOLs between January 1, 2012, and December 31, 2013. Eyes were divided into 2 groups depending on whether the IOL was pupillary captured...
December 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29330270/cutis-marmorata-telangiectatica-congenita-and-major-lower-limb-asymmetry
#14
Joana Amaral, Sara Peixoto, Gabriela Mimoso, Dolores Pereira
A 39-week-old male newborn presented at birth with atrophic erythematous and purpuric skin lesions, in a typical right-sided segmental distribution. Lesions were persistent and unaffected by rewarming in the postpartum period. Postnatal echocardiogram showed a predominance of the right cavities and an upper atrial septal defect. Cerebral and abdominal ultrasound were normal along with ophthalmological examination. On follow-up, lower limbs asymmetry was noted. The right lower limb was shorter in length and had a smaller diameter...
January 12, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29243006/ocular-ultrasound-for-monitoring-pseudotumor-cerebri-syndrome
#15
Piergiorgio Lochner, Klaus Fassbender, Martin Lesmeister, Raffaele Nardone, Andrea Orioli, Francesco Brigo, Erwin Stolz
The aim of this study was to evaluate the feasibility of ocular ultrasound in the follow-up of pseudotumor cerebri syndrome and to correlate ultrasound with clinical parameters. In a cohort study of 22 consecutive adult patients, ocular ultrasound was performed measuring optic nerve sheath diameter, optic nerve diameter, and optic disc elevation compared with symptoms referred by the patients. The patients showed increased optic nerve sheath diameter [median, 6.51 mm (interquartile range 6.13-7.10)], optic nerve diameter [3...
February 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29219953/specific-retinal-phenotype-in-early-iqcb1-related-disease
#16
A Vincent, A AlAli, H MacDonald, C VandenHoven, E Héon
PurposeTo describe the ocular and systemic phenotype in IQCB1-related disease.MethodsFour cases (3 males, 1 female) with molecularly confirmed IQCB1-related disease underwent ophthalmological examination including best-corrected visual acuity (BCVA) measurement, fundus evaluation, electroretinography (ERG), and spectral-domain optical coherence tomography (SD-OCT). Systemic evaluation including abdominal ultrasound was performed in all cases.ResultsBCVA ranged from perception of light (Case-2; 1 year) to 20/125 (Case-1; 9 years)...
March 2018: Eye
https://www.readbyqxmd.com/read/29211788/b-mode-ultrasound-assessment-of-pupillary-function-feasibility-reliability-and-normal-values
#17
Felix A Schmidt, Klemens Ruprecht, Florian Connolly, Matthew B Maas, Friedemann Paul, Jan Hoffmann, Lutz Harms, Stephan J Schreiber
PURPOSE: To evaluate B-mode ultrasound as a novel method for the examination of pupillary function and to provide normal values for the pupillary reflex as assessed by B-mode ultrasound. METHODS: 100 subjects (49 female, 51 male, mean [range] age 51 [18-80 years]) with no history of ophthalmologic disease, no clinically detectable pupillary defects, and corrected visual acuity ≥ 0.8 were included in this prospective observational study. B-mode ultrasound was performed with the subjects eyes closed using an Esaote-Mylab25 system according to current guidelines for orbital insonation...
2017: PloS One
https://www.readbyqxmd.com/read/29142760/outcomes-of-primary-endoresection-for-choroidal-melanoma
#18
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/29141389/-ultrasonic-diagnosis-of-retinal-detachment-in-eyes-with-silicone-oil-tamponade
#19
Y F Li, D J Li, Z Y Wang, W Chen, Q Zhao, R Cui, L Shen, W L Yang
Objective: To examine the features and values of ultrasonic diagnosis for retinal detachment in eyes with silicone oil tamponade (SOT). Methods: A prospective study. A total of 257 eyes (257 patients) were filled with silicone oil between December 1, 2015 and August 1, 2016 in the Department of Ophthalmology at a hospital in Beijing. All of the patients underwent a color Doppler ultrasound examination in the supine and sitting positions a week prior to surgery. The pre-surgery conditions were compared with the subsequent observations during the surgery to analyze the features and values of ultrasonic diagnosis for retinal detachment in eyes with SOT...
November 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29140815/neuroimaging-diagnostic-and-monitoring-approaches-in-ophthalmology
#20
Bart K Chwalisz, Marc A Bouffard, Sashank Prasad, Dean M Cestari
PURPOSE OF REVIEW: We review new applications of optical coherence tomography (OCT) technology in neuro-ophthalmology. We also describe new technologies for visualizing the extracranial vessels in the diagnosis of giant cell arteritis (GCA). RECENT FINDINGS: Newer OCT modalities are expanding the evaluation of the optic disc, and are being applied to a number of neurologic conditions such as demyelinating and neurodegenerative disease. Swept-source OCT and enhanced-depth imaging OCT are refining the fine-grained analysis of the optic nerve head in the diagnosis of papilledema and optic nerve drusen...
February 2018: Current Opinion in Neurology
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