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Ultrasound biomicroscopy

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https://www.readbyqxmd.com/read/28532619/traumatic-cyclodialysis-treated-with-transscleral-ciclodiode-laser-anterior-and-posterior-segment-evolution
#1
J González-Martín-Moro, M Castro-Rebollo, J Zarallo-Gallardo, F J Muñoz-Negrete
CASE REPORT: A 35-year-old man suffered a severe hipotension maculopathy after being kicked in his left eye. He presented a broad area of iridodialisis. Gonioscopy, ultrasound biomicroscopy and optic coherence tomography were not able to locate the suspected cyclodialysis. Medical treatment was ineffective. Five months later the patient received transcleral diode laser cyclophotocoagulation with clinical resolution. DISCUSSION: Transscleral diode laser constitutes an effective treatment, with low iatrogenia, that can solve cases of ocular hypotension, even when the location of the cyclodialysis has not been determined...
May 19, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28527653/ultrasound-biomicroscopy-measurement-of-schlemm-s-canal-in-pediatric-patients-with-and-without-glaucoma
#2
Anika Tandon, Caroline Watson, Ramesh Ayyala
PURPOSE: To compare the diameter of Schlemm's canal in children with and without congenital glaucoma as measured in vivo by means of ultrasound biomicroscopy. METHODS: In this prospective single-center study of pediatric subjects (<18 years of age) the diameter of Schlemm's canal in nonglaucomatous and glaucomatous eyes was compared. An 80 MHz iUltrasound probe (iScience Interventional Inc, Menlo Park, CA) placed near the limbus was used to identify and measure the canal's diameter with special attention to the anterior segment anatomy (especially in subjects with congenital glaucoma)...
May 17, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28515637/ultrasound-biomicroscopy-value-in-evaluation-of-restoration-of-ciliary-muscles-contractility-after-cataract-extraction
#3
Ayser Abd El-Hameed Fayed
PURPOSE: To assess the changes in the contractility of the ciliary muscle in eyes with presbyopia before and after phacoemulsification and intracapsular lens implantation using ultrasound biomicroscopy (UBM). PATIENTS AND METHODS: This prospective study included 50 eyes of 30 consecutive subjects operated at the Department of Ophthalmology. Patients with any ocular disorder affecting visual acuity, corneal surface irregularities, had posterior capsular perforation or intensive postoperative corneal edema, or were <35 years of age, were excluded...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28493087/ciliary-body-thickness-changes-after-preoperative-anti-inflammatory-treatment-in-rhegmatogenous-retinal-detachment-complicated-by-choroidal-detachment
#4
Yassine Alibet, Galyna Levytska, Nicolay Umanets, Natalya Pasyechnikova, Paul B Henrich
BACKGROUND: The literature is scant on the state of the ciliary body, its role in the development of rhegmatogenous retinal detachment (RRD) complicated by choroidal detachment (CD), and on ciliary body changes following the treatment aimed at resolving concomitant inflammation and choroidal attachment. This study assesses the anatomical position and thickness of the ciliary body and investigates the ciliary body changes after anti-inflammatory pre-vitrectomy treatment in RRD complicated by CD...
May 10, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28487752/brachytherapy-and-anterior-segment-imaging-in-iris-melanoma
#5
Jin Soo Andy Song, Adam A Dmytriw, Hesham Lakosha
A 40-year-old male presented to the ophthalmology clinic with a darkly pigmented infratemporal lesion in his right eye. The corrected visual acuity in both eyes was 6/6 and both pupils were equal and reactive. Slit lamp biomicroscopy showed a well-demarcated and heavily pigmented lesion in the peripheral iris between 6 and 8 o'clock. Ultrasound biomicroscopy (UBM) revealed a solid mass deriving from the iris stroma without ciliary body involvement, helping to classify the uveal melanoma and establishing the diagnosis of iris melanoma...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28471103/measurement-of-angle-kappa-using-ultrasound-biomicroscopy-and-corneal-topography
#6
Joon Hyung Yeo, Nam Ju Moon, Jeong Kyu Lee
PURPOSE: To introduce a new convenient and accurate method to measure the angle kappa using ultrasound biomicroscopy (UBM) and corneal topography. METHODS: Data from 42 eyes (13 males and 29 females) were analyzed in this study. The angle kappa was measured using Orbscan II and calculated with UBM and corneal topography. The angle kappa of the dominant eye was compared with measurements by Orbscan II. RESULTS: The mean patient age was 36.4 ± 13...
April 24, 2017: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/28470658/-free-floating-intraocular-cysts
#7
Jens Ulrich Werner, Gerhard K Lang, Christian Enders
Background Free-floating intraocular cysts may be found in the anterior chamber (FZV) and the vitreous (FZG). The first description of a cyst was 150 years ago, and they are considered to be ocular rarities. Materials and Methods The actual knowledge about FZV and FZG is shown on the basis of two exemplary patients. Results and Discussion Patient 1 had a FZV as an incidental finding which had a smooth surface, a slight pigmentation and was translucent. The ultrasound biomicroscopy revealed an echo-free interior space...
May 3, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28455286/ultrasound-biomicroscopy-validation-of-a-murine-model-of-cardiac-hypertrophic-preconditioning-comparison-with-a-hemodynamic-assessment
#8
Jiayuan Huang, Jian Wu, Shijun Wang, Jieyun You, Yong Ye, Zhiwen Ding, Fenghua Yang, Xingxu Wang, Junjie Guo, Leilei Ma, Jie Yuan, Yunli Shen, Xiangdong Yang, Aijun Sun, Hong Jiang, Liping Bu, Peter H Backx, Junbo Ge, Yunzeng Zou
In mice, myocardial hypertrophic preconditioning (HP), which is produced by the removal of short-term transverse aortic constriction (TAC), was recently reported to render the heart resistant to hypertrophic responses induced by subsequent re-constriction (Re-TAC). However, there is no efficient non-invasive method for ensuring that the repeated aortic manipulations were successfully performed. We previously demonstrated that ultrasound biomicroscopy (UBM) is a non-invasive and effective approach for predicting TAC success...
April 28, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28440316/modest-and-severe-maternal-iron-deficiency-in-pregnancy-are-associated-with-fetal-anaemia-and-organ-specific-hypoxia-in-rats
#9
Andrew G Woodman, Alison S Care, Yael Mansour, Stephana J Cherak, Sareh Panahi, Ferrante S Gragasin, Stephane L Bourque
Prenatal iron-deficiency (ID) is known to alter fetal developmental trajectories, which predisposes the offspring to chronic disease in later life, although the underlying mechanisms remain unclear. Here, we sought to determine whether varying degrees of maternal anaemia could induce organ-specific patterns of hypoxia in the fetuses. Pregnant female Sprague Dawley rats were fed iron-restricted or iron-replete diets to induce a state of moderate (M-ID) or severe ID (S-ID) alongside respective controls. Ultrasound biomicroscopy was performed on gestational day (GD)20 to assess uterine and umbilical artery blood flow patterns...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28440260/immortal-ozurdex-a-10-month-follow-up-of-an-intralenticular-implant
#10
B Poornachandra, Vinod B M Kumar, Chaitra Jayadev, Subashchandra H Dorelli, Naresh Kumar Yadav, Rohit Shetty
A 78-year-old male who had received a dexamethasone implant (Ozurdex, Allergan, Inc., Irvine, CA, USA) 15 days back for recalcitrant diabetic macular edema in the left eye came to us for a second opinion. On examination, his corrected distance visual acuity was 20/20 in the right eye and 20/40 in the left eye. Early cataractous changes were present in both eyes. The intraocular pressure was within normal limits. The Ozurdex implant was seen lodged in the posterior cortex of the crystalline lens in the left eye, confirmed on anterior segment optical coherence tomography (OCT) and ultrasound biomicroscopy...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28440257/managing-multiple-caterpillar-hair-in-the-eye
#11
Manisha Agarwal, Manisha C Acharya, Shahana Majumdar, Lagan Paul
Ophthalmia nodosa with vitreoretinal involvement is rare and may cause permanent loss of eye due to persistent inflammation of the eye. A young female patient having multiple caterpillar hair in the eye including cornea, anterior chamber, sclera, and pars plana presented with recurrent vitritis and pars planitis. Ultrasound biomicroscopy played a vital role and helped in localizing the hair embedded in the pars plana region which were managed by pars plana vitrectomy leading to complete recovery.
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28440249/innovations-in-pediatric-cataract-surgery
#12
Sudarshan Kumar Khokhar, Ganesh Pillay, Esha Agarwal, Manish Mahabir
Advances in technology have made surgery in children safer and faster. The management of pediatric cataract has made rapid progress in the past decade with the availability of safer anesthesia, newer technique's, more predictable intraocular lens (IOL) power calculation, a better understanding of neurobiology, genetics, amblyopia management, improved IOL designs for preventing visual axis opacification, and adjuvant postoperative care. Modern vitrectomy machines with minimally invasive instruments, radiofrequency, diathermy, and plasma blades help immensely in complicated cases...
March 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28428970/changes-in-anterior-segment-parameters-following-pars-plana-vitrectomy-measured-by-ultrasound-biomicroscopy-ubm
#13
Zahra Ghomi, Fariba Ghassemi
Despite being a posterior segment ocular surgery, pars plana vitrectomy (PPV) may also affect anterior segment parameters. We aimed to investigate anterior segment alterations following PPV using ultrasound biomicroscopy (UBM) to visualize the structural anatomy of the eye. In this study, we enrolled phakic patients undergoing PPV (as the sole procedure). The anterior chamber depth, crystalline lens anterior-posterior (AP) diameter, anterior chamber angle, ciliary body dimensions, and integrity of the ciliary zonules and posterior capsule were assessed using UBM before and at least 3 months after PPV...
2017: Medical Hypothesis, Discovery and Innovation in Ophthalmology
https://www.readbyqxmd.com/read/28393032/uveal-effusion-following-acute-primary-angle-closure-a-retrospective-case-series
#14
Jian-Gang Yang, Jian-Jun Li, Hua Tian, Yan-Hong Li, Yu-Jing Gong, An-Le Su, Na He
AIM: To evaluate the morphological changes in anterior segment in Chinese patients with uveal effusion (UE) after the attack of acute primary angle-closure (APAC) using ultrasound biomicroscopy (UBM), and to assess the clinical course and prognosis of the disease. METHODS: In a retrospective case series, 26 eyes in 26 consecutive patients diagnosed with UE after the treatment of intraocular pressure (IOP)-lowering medication for the attack of APAC were enrolled...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28385302/subclassification-of-primary-angle-closure-using-anterior-segment-optical-coherence-tomography-and-ultrasound-biomicroscopic-parameters
#15
Junki Kwon, Kyung Rim Sung, Seungbong Han, Ye Ji Moon, Joong Won Shin
PURPOSE: To classify eyes with primary angle closure (PAC) in terms of the features visualized using anterior segment optical coherence tomography (AS-OCT) and ultrasound biomicroscopy (UBM). DESIGN: Retrospective, observational study. PARTICIPANTS: A total of 73 eyes of 73 patients with PAC. METHODS: Participants' eyes that had undergone laser peripheral iridotomy (LPI) were imaged using AS-OCT and UBM under the same lighting conditions...
April 3, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28302681/ultrasound-biomicroscopic-imaging-in-paediatric-ocular-toxocariasis
#16
Jinghua Liu, Songfeng Li, Guangda Deng, Wenli Yang, Wei Chen, Hai Lu
PURPOSE: To determine the potential and usefulness of ultrasound biomicroscopy (UBM) as a diagnostic procedure on a larger cohort of paediatric patients with ocular toxocariasis. METHODS: UBM was performed on 41 eyes of 41 patients with ocular toxocariasis in order to determine configuration of peripheral retina, pars plana and vitreous. Location and range of peripheral pathology using ophthalmoscopy with scleral indentation, UBM and intraoperative confirmation were recorded and compared...
March 16, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28302178/laser-peripheral-iridotomy-versus-laser-peripheral-iridotomy-plus-laser-peripheral-iridoplasty-in-the-treatment-of-multi-mechanism-angle-closure-study-protocol-for-a-randomized-controlled-trial
#17
Shida Chen, Jianhua Lv, Sujie Fan, Hong Zhang, Lin Xie, Ling Xu, Bing Jiang, Huipin Yuan, Yuanbo Liang, Shuning Li, Pingyan Chen, Xiulan Zhang, Ningli Wang
BACKGROUND: China has the largest burden of primary angle-closure glaucoma (PACG) worldwide. The mechanism of the angle closure is complex and includes pupillary block and non-pupillary block. Currently, opinion is that laser peripheral iridotomy (LPI) alone is not sufficient to prevent disease progression. Laser peripheral iridoplasty (LPIP) is an alternative and effective way of widening the angle recess in eyes that are affected by primary angle closure (PAC). However, it is not known if greater benefit would be achieved using LPI plus LPIP for PAC with multiple mechanisms (MAC)...
March 17, 2017: Trials
https://www.readbyqxmd.com/read/28301497/long-term-outcomes-of-ciliary-sulcus-versus-capsular-bag-fixation-of-intraocular-lenses-in-children-an-ultrasound-biomicroscopy-study
#18
Yun-E Zhao, Xian-Hui Gong, Xue-Ning Zhu, He-Ming Li, Meng-Jun Tu, Terry G Coursey, Stephen C Pflugfelder, Feng Gu, Ding Chen
PURPOSE: To evaluate the long-term outcomes of ciliary sulcus versus capsular bag fixation of intraocular lenses (IOLs) in children after pediatric cataract surgery. METHODS: IOL was implanted in the ciliary sulcus in 21 eyes of 14 children, and in the capsular bag in 19 eyes of 12 children for the treatment of pediatric cataract in an institutional setting. Ultrasound biomicroscopy (UBM) was performed. Main outcome measures included IOL decentration, IOL tilt, anterior chamber depth (ACD), angle-opening distance at 500 μm (AOD500), trabecular-iris angle (TIA), best-corrected visual acuity (BCVA), intraocular pressure (IOP), and incidence of postoperative complications...
2017: PloS One
https://www.readbyqxmd.com/read/28292775/effectiveness-of-combined-macular-buckle-under-direct-vision-and-vitrectomy-with-ilm-peeling-in-refractory-macular-hole-retinal-detachment-with-extreme-high-axial-myopia-a-24-month-comparative-study
#19
Jin Ma, Honghui Li, Xiaohu Ding, Silvia Tanumiharjo, Lin Lu
PURPOSE: To evaluate the efficacy of a combined macular buckle under direct vision and 23-gauge pars plana vitrectomy (PPV) with internal limiting membrane (ILM) peeling in refractory macular hole retinal detachment (MHRD) with extreme high axial myopia. DESIGN: Prospective, randomised controlled study. PARTICIPANTS: The study included 98 eyes of 98 patients of MHRD with extreme high axial (>30 mm) myopia. INTERVENTION: Patients were randomly assigned to undergo PPV with ILM peeling (group 1, n=52) or PPV with ILM peeling combined with macular buckle under direct vision (group 2, n=46)...
March 14, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28272229/occult-lens-subluxation-related-to-laser-peripheral-iridotomy-a-case-report-and-literature-review
#20
REVIEW
Rongrong Hu, Xiaoyu Wang, Yang Wang, Yang Sun
RATIONALE: Laser peripheral iridotomy (LPI) is commonly performed as a primary treatment for acute primary angle closure glaucoma after administration of anti-glaucoma medications or for prevention of this condition. Minor complications may occur following LPI and most of them do not have deleterious consequences. We report a rare case of lens subluxation that has a possible relationship with LPI treatment. PATIENT CONCERNS: A 54-year-old female patient was initially referred for surgical treatment of medication-uncontrollable angle closure glaucoma in her left eye...
March 2017: Medicine (Baltimore)
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