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Ultrasound biomicroscopy

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https://www.readbyqxmd.com/read/28914584/circumferential-ciliary-body-cysts-presenting-as-acute-pigment-dispersion-and-ocular-hypertension
#1
Almila Sarıgül Sezenöz, Sirel Gür Güngör, Hayyam Kıratlı, Ahmet Akman
PURPOSE: To report a case of circumferential neuroepithelial cyst of the ciliary body presenting with pigment dispersion (PD) and ocular hypertension. CASE REPORT: 48-year-old female patient presented with a complaint of pain in the left eye. On examination, visual acuity of the left eye was 0.9, and the intraocular pressure was 48 mmHg. Biomicroscopic anterior segment examination of the left eye revealed 4+ pigmented cells in the anterior chamber. Active PD from the pupillary region at 11 o'clock was noticed at the time of the examination...
September 15, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28910426/optical-coherence-tomography-angiography-features-of-iris-racemose-hemangioma-in-4-cases
#2
Jason L Chien, Kareem Sioufi, Sandor Ferenczy, Emil Anthony T Say, Carol L Shields
Importance: Optical coherence tomography angiography (OCTA) allows visualization of iris racemose hemangioma course and its relation to the normal iris microvasculature. Objective: To describe OCTA features of iris racemose hemangioma. Design, Setting, and Participants: Descriptive, noncomparative case series at a tertiary referral center (Ocular Oncology Service of Wills Eye Hospital). Patients diagnosed with unilateral iris racemose hemangioma were included in the study...
September 14, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28885608/a-novel-use-of-ultrasound-biomicroscopy
#3
A Sadaka, T Prager, H Beaver, A Malik
No abstract text is available yet for this article.
September 8, 2017: Eye
https://www.readbyqxmd.com/read/28882598/iris-cysts-a-comprehensive-review-on-diagnosis-and-treatment
#4
REVIEW
Ilias Georgalas, Petros Petrou, Dimitrios Papaconstantinou, Dimitrios Brouzas, Chrysanthi Koutsandrea, Menelaos Kanakis
Iris cysts, both primary and secondary, are a diagnostic and a treatment challenge. Primary cysts arise either from the iris pigment epithelium or the iris stroma. Posterior pigment epithelial cysts are subdivided according to their location as central, midzonal and peripheral. Iris stromal cysts are classified either as congenital or acquired. Free floating cysts are usually dislodged pigment epithelial cysts. Secondary cysts are classified according to the underlying cause as implantation cysts, drug-induced, uveitic, tumor-induced, parasitic, or as cysts associated with systemic disorders...
September 4, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28845321/evaluation-of-anterior-segment-changes-of-patients-taking-alpha1-blockers-by-ultrasound-biomicroscopy-in-the-drug-free-period
#5
Yeliz Acar, Kadir Eltutar, Sibel Zırtıloğlu
OBJECTIVES: To evaluate and compare anterior segment changes in patients taking alpha-1 (α1) blockers (tamsulosin, terazosin, doxazosin, alfuzosin) for benign prostatic hypertrophy, during drug intake and drug-free period, using ultrasound biomicroscopy (UBM). MATERIALS AND METHODS: In this prospective study, UBM was done before and after pupil dilatation in 31 phakic eyes of 19 male patients taking α1-blockers. Undilated and dilated UBM was repeated before cataract extraction, after stopping the drug for 10 days...
August 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28844655/a-missed-diagnosis-of-multiple-intraocular-foreign-bodies-for-21-years
#6
Xubo Yang, Chunling Liu, Longqian Liu, Lanlan Zhang
A 30-year-old patient went to the emergency department because of a chemical burn to the left eye more than 10 days ago by toilet cleanser. Surprisingly, a small piece of glass was found in the inferior anterior chamber in the same eye. The visual acuity was counting fingers. There was conjunctival congestion, corneal oedema and Descemet's membrane striae. And there was also a corneal leukoma around 4 to 5 o'clock. Through repeated questioning he recalled that he was injured by an exploded light bulb around 21 years ago...
August 24, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28819785/assessment-of-the-safety-and-efficacy-of-primary-retropupillary-fixation-of-iris-claw-intraocular-lenses-in-children-with-large-lens-subluxations
#7
Anju Rastogi, Apurva Goray, Prolima Thacker, Kamlesh, Babita
PURPOSE: To evaluate whether retropupillary fixation of the iris-claw intraocular lens (IOL) is a safe and effective treatment option in children with large lens subluxations. METHODS: Fourteen eyes of children between the ages of 8-17 years with lens subluxations more than 7 clock hours underwent pars plana lensectomy-vitrectomy with implantation of the iris-claw IOL in the retropupillary position as a primary procedure. The best corrected visual acuity (BCVA), intraocular pressure (IOP), corneal endothelial count (EC) and the lens position using ultrasound biomicroscopy (UBM) were assessed pre- and postoperatively...
August 17, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28809953/monitoring-health-and-reproductive-status-of-olms-proteus-anguinus-by-ultrasound
#8
Susanne Holtze, Maja Lukač, Ivan Cizelj, Frank Mutschmann, Claudia Anita Szentiks, Dušan Jelić, Robert Hermes, Frank Göritz, Stanton Braude, Thomas Bernd Hildebrandt
The olm (Proteus anguinus) is a troglomorphic, neotenous amphibian with extraordinary life expectancy and unique adaptations that deserve further investigation. A low reproductive rate and habitat decline render it threatened by extinction. Establishing captive populations for maintenance and artificial breeding may one day become crucial to the species. Longitudinal, in-vivo assessment of inner organs is invaluable to our understanding of reproductive physiology, health, and behavior. Using ultrasound, we measured heart rate and assessed health and reproductive status of 13 captive olms at Zagreb Zoo...
2017: PloS One
https://www.readbyqxmd.com/read/28775091/limbal-cyst-following-blunt-trauma-in-an-operated-case-of-congenital-cataract-a-rare-scenario
#9
Amar Pujari, Deepa R Swamy, Harathy Selvan, Rohan Chawla
A 15-year-old male patient with the history of bilateral operated congenital cataract surgery 5 years back now presents with gradual painless diminution of visual acuity in left eye following a blunt trauma with a fist. Ocular examination showed a well-defined slightly bluish-tinged limbal-based conjunctival cyst without any irregularities in the anterior chamber/pupil. Intraocular pressures were 16 mm Hg in the right eye and 10 mm Hg in the left eye; retinal examination showed findings consistent with hypotonic maculopathy...
August 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28757700/brachytherapy-and-anterior-segment-imaging-in-iris-melanoma
#10
Jin Soo Andy Song, Adam A Dmytriw, Hesham Lakosha
Ultrasound biomicroscopy (UBM) remains a potent tool in the diagnosis and characterization of uveal lesions. In the setting of malignancy, it can confirm both placement of and response to brachytherapy. We present a case of iris melanoma with aggressive BAP-1 mutation, treated successfully with I-131 brachytherapy which was both characterized and followed with UBM and thereafter discuss the current state of these modalities.
May 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/28751510/optimising-the-surgical-outcome-in-a-case-of-post-traumatic-cataract-using-ultrasound-biomicroscopy
#11
Manthan Hasmukhbhai Chaniyara, Amar Pujari, Neelima Aron, Namrata Sharma
A 12-year-old boy was brought with the chief complaint of diminution of vision in his left eye for the past 1 month. History revealed a blunt trauma to his left eye with a wooden stick 6 weeks ago.Visual acuity was 20/20 and hand movement close to face in right and left eye, respectively, without any relative afferent pupillarydefect. Slit-lamp examination showed a total cataractous lens with signs suggestive of suspected posterior capsular (PC) defect. The PC defect was screened initially using B-scan ultrasound of the posterior segment, followed by confirmation of the same using ultrasound biomicroscopy...
July 26, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28723783/novel-surgical-management-of-cyclodialysis-cleft-via-anterior-chamber-perfusion-case-report
#12
Jinfei Tang, Ergang Du, Jie Wang
RATIONALE: Cyclodialysis cleft is a relatively rare but severe condition with persistent ocular hypotony, which can cause morphologic changes and visual loss. Here we report a case of a traumatic cyclodialysis cleft that was successfully managed with direct cyclopexy via anterior chamber perfusion. During the operation, if there is aqueous humor flowing out of the deep scleral incision, the cleft is not closed, and surgery should continue until there is no aqueous outflow. PATIENT CONCERNS: A 66-year-old man was treated for severe blunt ocular trauma of the left eye and a resultant cyclodialysis cleft, lens subluxation, choroidal detachment and a cataract...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28704130/scleral-thinning-documented-by-ultrasound-biomicroscopy-after-plaque-therapy-for-anterior-ciliary-melanoma
#13
B Kuzmanović Elabjer, M Bušić, D Miletić, M Bjeloš, N Vukojević, D Bosnar
PURPOSE: To evaluate, by ultrasound biomicroscopy (UBM), changes in scleral thickness after ruthenium-106 CCB and CCC plaque (Eckert & Ziegler BE-BIG GmbH, Berlin, Germany) therapy for anterior ciliary melanoma. METHODS: Eleven patients with anterior ciliary melanoma underwent ruthenium-106 CCB and CCC plaque radiation with a radiation dose at the tumor apex of 80-100 Gy. UBM measurements performed prior to and after treatment were as follows: the largest prominence of the tumor perpendicular to the sclera and scleral thickness at scleral spur, 1...
July 13, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28696173/multimodal-imaging-in-anterior-uveitis
#14
Jay Siak, Padmamalini Mahendradas, Soon-Phaik Chee
Anterior uveitis is the most common group of uveitis worldwide, with a diverse spectrum ranging from autoimmune and infectious to masquerade etiologies. Elucidation of the underlying etiology may be challenging, but it remains important, especially for recurrent uveitis. Multimodal imaging has improved our understanding and management of many posterior uveitis and panuveitis. Similarly, a wide variety of anterior segment ophthalmic imaging techniques are available to allow the monitoring of the structural changes that may develop during anterior uveitis...
June 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28676726/-traumatic-cyclodialysis-treated-with-cryopexy
#15
P Plaza Ramos, H Heras Mulero, J I Molinuevo Ruiz de Zárate, C Abascal Azanza
Cyclodialysis is the result of the separation of the longitudinal fibres of the ciliary muscle from their scleral insertion, creating states of ocular hypotony. It is mainly caused by traumatisms. Gonioscopy has traditionally been the diagnostic test for this entity, however, at present it is being replaced by other techniques, such as ultrasound biomicroscopy (UBM). We present the case of a 57-year-old male who, following a traumatism in the left eye caused by the disc of a radial saw, presented corneal perforation and vitreous haemorrhage with pan-retinal edema...
June 30, 2017: Anales del Sistema Sanitario de Navarra
https://www.readbyqxmd.com/read/28650876/the-role-of-imaging-in-strabismus
#16
REVIEW
Jinali R Patel, Kammi B Gunton
PURPOSE OF REVIEW: To review the most recent literature regarding the clinical experience of imaging modalities in strabismus. RECENT FINDINGS: MRI of extraocular muscles (EOMs) has elucidated the roles of variation in compartmental contraction of EOMs and further evidence of EOM pulley heterotopy in various strabismus patterns, which may contribute to the clinical and surgical management of patients as this mode of imaging becomes more readily available. Ultrasound biomicroscopy (UBM) and anterior-segment optical coherence tomography (AS-OCT) may play a role in determining the location of EOMs which could also aid in devising a preoperative surgical plan, especially in those who have had prior strabismus surgery...
September 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28644236/cyp1b1-cytopathy-uncommon-phenotype-of-a-homozygous-cyp1b1-deletion-as-internal-corneal-ulcer-of-von-hippel
#17
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...
October 2017: Cornea
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/28622042/the-relationship-between-the-24-hour-fluctuations-in-schlemm-s-canal-and-intraocular-pressure-an-observational-study-using-high-frequency-ultrasound-biomicroscopy
#19
Mu Li, Yin Zhao, Xiaoqin Yan, Hong Zhang
PURPOSE: To assess 24-hour fluctuations in Schlemm's canal (SC) parameters (cross-sectional area, perimeter) and intraocular pressure (IOP) and the relationship between these fluctuations in healthy individuals. METHODS: SC and IOP were examined in 29 participants at 2:30, 5:30, 11:30, 17:30, and 23:30 within one day. The superior, inferior, nasal, and temporal SC quadrants were evaluated using 80-MHz ultrasound biomicroscopy. RESULTS: SC parameters and IOP fluctuated significantly within 24 hours (all P < 0...
June 16, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28619691/a-mouse-model-of-antepartum-stillbirth
#20
Anum Rahman, Lindsay S Cahill, Yu-Qing Zhou, Johnathan Hoggarth, Monique Y Rennie, Mike Seed, Christopher K Macgowan, John C Kingdom, S Lee Adamson, John G Sled
BACKGROUND: Many stillbirths of normally formed fetuses in the third trimester could be prevented via delivery if reliable means to anticipate this outcome existed. However, because the etiology of these stillbirths is often unexplained and although the underlying mechanism is presumed to be hypoxia from placental insufficiency, the placentas often appear normal on histopathological examination. Gestational age is a risk factor for antepartum stillbirth, with a rapid rise in stillbirth rates after 40 weeks' gestation...
June 12, 2017: American Journal of Obstetrics and Gynecology
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