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Angle closure

Alexander Chern, Jacob B Hunter, Marc L Bennett
OBJECTIVE: To determine if cranioplasty techniques following translabyrinthine approaches to the cerebellopontine angle are cost-effective. STUDY DESIGN: Retrospective case series. PATIENTS: One hundred eighty patients with available financial data who underwent translabyrinthine approaches at a single academic referral center between 2005 and 2015. INTERVENTION: Cranioplasty with a dural substitute, layered fat graft, and a resorbable mesh plate secured with screws Main Outcome Measures: billing data was obtained for each patient's hospital course for translabyrinthine approaches and postoperative cerebrospinal fluid (CSF) leaks...
October 21, 2016: Otology & Neurotology
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
Xinbo Gao, Wenbin Huang, Wei Wang, Minwen Zhou, Jiawei Wang, Shaolin Du, Shida Chen, Xiulan Zhang
OBJECTIVE: To characterize and compare the topographic profile of choroid in eyes after acute primary angle-closure (APAC) and in normal controls. DESIGN, SETTING, AND PARTICIPANTS: A prospective observational study was conducted. Forty-four consecutive patients who had experienced unilateral APAC that was resolved by treatment were recruited. Seventy age- and sex-matched normal individuals were recruited as controls. METHODS: Enhanced depth imaging-optical coherence tomography was used to measure choroidal thickness (CT) in 9 diffuse locations of macular region...
October 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
Yonggang Wang, Mengyang Xin, Han Bai, Yangdong Zhao
OBJECTIVE: The primary purpose of this study was to examine the association between variations in visual behavior measures and subjective sleepiness levels across age groups over time to determine a quantitative method of measuring drivers' sleepiness levels. METHOD: A total of 128 volunteer drivers in four age groups were asked to finish 2 h, 3 h, and 4 h continuous driving tasks on expressways, during which the driver's fixation, saccade and blink measures were recorded by an eye-tracking system and the subjective sleepiness level was measured through the Stanford Sleepiness Scale...
October 20, 2016: Traffic Injury Prevention
Katrin Lorenz, Sabine Beck, Munir M Keilani, Joanna Wasielica-Poslednik, Norbert Pfeiffer, Franz H Grus
BACKGROUND: The aim of our current investigation was to analyze the autoantibody -reactivities of patients after acute angle closure glaucoma (AACG) by means of a protein microarray approach to identify intraocular pressure (IOP)-dependent antibodies. METHODS: Collected sera from different study time points (AACG n = 6, 0, 2, 4 and 12 weeks) and control group (CTRL n = 11, 0 and 12 weeks) were analyzed. Protein-microarrays were incubated with sera and occurring immunoreactivities were visualized with fluorescence labeled anti-human-IgG antibodies...
October 18, 2016: Clinical & Experimental Ophthalmology
D Hernández-Bonilla, C Escamilla-Núñez, D Mergler, S Rodríguez-Dozal, M Cortez-Lugo, S Montes, L A Tristán-López, M Catalán-Vázquez, A Schilmann, Horacio Riojas-Rodriguez
BACKGROUND: Manganese (Mn) is an essential metal involved in multiple physiological functions. Environmental exposure to airborne Mn is associated with neurocognitive deficits in humans. Children, whose nervous system is in development, are particularly susceptible to Mn neurotoxicity. OBJECTIVE: The objective of this study was to assess the association between Mn environmental exposure, and effects on visuoperception and visual memory in schoolchildren. METHODS: We assessed schoolchildren between 7 and 11 years old, with similar socioeconomic status, from the mining district of Molango (n=148) and Agua Blanca (n=119, non-mining area) in Hidalgo state, Mexico...
October 11, 2016: Neurotoxicology
Y S Sirohi, V A Arun, Yatharth Dixit
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Eray Atalay, Monisha E Nongpiur, Mani Baskaran, Sourabh Sharma, Shamira A Perera, Tin Aung
Purpose: To compare ocular biometric and anterior segment parameters between the affected and fellow eye in subjects with acute primary angle closure (APAC). Methods: We evaluated 76 subjects with unilateral APAC who had undergone bilateral laser peripheral iridotomy before enrollment. Imaging was done using anterior segment optical coherence tomography and a customized software was used to measure the following: angle opening distance (AOD750); trabecular-iris space area (TISA750); iris thickness (IT750); iris curvature (ICURV); iris area (IAREA); anterior chamber depth; area and volume (ACD; ACA and ACV); anterior chamber width (ACW); anterior vault (ACD+LV); lens vault (LV); and pupil diameter (PD)...
October 1, 2016: Investigative Ophthalmology & Visual Science
Nazlee Zebardast, Srinivasan Kavitha, Palaniswamy Krishnamurthy, David S Friedman, Monisha E Nongpiur, Tin Aung, Harry A Quigley, Pradeep Y Ramulu, Rengaraj Venkatesh
PURPOSE: To compare anterior segment optical coherence tomography (ASOCT) angle morphology before and after laser peripheral iridotomy (LPI) in a cohort of South Indian subjects with primary angle-closure suspect (PACS) or primary angle-closure/primary angle-closure glaucoma (PAC/PACG) and to examine baseline parameters associated with angle widening. DESIGN: Prospective observational study. PARTICIPANTS: A total of 244 subjects aged ≥30 years with PACS or PAC/PACG in at least 1 eye...
October 7, 2016: Ophthalmology
Toshihiko Iwahashi, Makoto Ogawa, Kiyohito Hosokawa, Chieri Kato, Hidenori Inohara
OBJECTIVES: This study aimed to investigate whether humming affects the adductive motion of the vocal folds and transient glottal closure in the prephonatory adjustment phase of vocal onset using high-speed digital imaging (HSDI) and a motion analysis software program. METHODS: Twenty normal healthy adults without any vocal abnormalities were enrolled. While a transnasal flexible fiberscope connected to a high-speed camera was inserted, each participant was asked to perform three phonatory tasks-natural /e:/ phonation, loud /e:/ phonation, and humming /m:/ phonation-and laryngeal HSDI movies (4000 frame/s) were recorded...
October 7, 2016: Journal of Voice: Official Journal of the Voice Foundation
S Vigneswari, V Murugaiyah, G Kaur, H P S Abdul Khalil, A A Amirul
Polyhydroxyalkanoate (PHA) is a microbial polymer that has been at the forefront of many attempts at tissue engineering. However, the surface of poly(3-hydroxybutyrate-co-4-hydroxybutyrate) (P(3HB-co-4HB)) is hydrophobic with few recognition sites for cell attachment. Various concentrations of fish-scale collagen peptides (FSCPs) were incorporated into P(3HB-co-4HB) copolymer by aminolysis. Later, FSCPs were introduced onto the aminolyzed P(3HB-co-4HB) scaffolds. Introduction of the FSCP groups was verified using Fourier transform infrared spectroscopy and the ninhydrin method...
October 6, 2016: Biomedical Materials
Augusto Azuara-Blanco, Jennifer Burr, Craig Ramsay, David Cooper, Paul J Foster, David S Friedman, Graham Scotland, Mehdi Javanbakht, Claire Cochrane, John Norrie
BACKGROUND: Primary angle-closure glaucoma is a leading cause of irreversible blindness worldwide. In early-stage disease, intraocular pressure is raised without visual loss. Because the crystalline lens has a major mechanistic role, lens extraction might be a useful initial treatment. METHODS: From Jan 8, 2009, to Dec 28, 2011, we enrolled patients from 30 hospital eye services in five countries. Randomisation was done by a web-based application. Patients were assigned to undergo clear-lens extraction or receive standard care with laser peripheral iridotomy and topical medical treatment...
October 1, 2016: Lancet
Carlo E Traverso
No abstract text is available yet for this article.
October 1, 2016: Lancet
Bo Li, Feng-Yun Wang, Tai-Liang Lv, Yu Zhu
The aim of the present study was to examine the effects of phacoemulsification and intraocular lens implantation combined with ciliarotomy in the treatment of angle-closure glaucoma with cataract in the elderly. A total of 68 patients were consecutively selected and divided into the control group with 33 cases (48 eyes) and the observation group with 35 cases (53 eyes). Cataract surgery combined with trabeculectomy was performed on the patients in the control group and phacoemulsification cataract extraction combined with ciliarotomy was performed on the subjects in the observation group, to compare postoperative effects and complications...
October 2016: Experimental and Therapeutic Medicine
Hui-Chen Cheng, Chao-Yu Guo, Yu-Jing Chen, Mei-Ju Chen, Yu-Chieh Ko, Nicole Huang, Catherine Jui-Ling Liu
PURPOSE: To investigate the different impacts on patient-reported vision-related quality of life (pVRQOL) outcomes in patients with primary angle-closure glaucoma(PACG) and primary open-angle glaucoma(POAG). METHODS: Prospective cross-sectional study. PACG and POAG patients who had a best-corrected visual acuity(BCVA) in the better eye equal to or better than 20/60, intraocular pressure controlled at or below 25 mmHg and reliable visual field test were invited to participate...
2016: PloS One
Chandrima Paul, Subhrangshu Sengupta, Sumit Choudhury, Souvik Banerjee, Betsy L Sleath
CONTEXT: Glaucoma is the leading cause of global irreversible blindness. No recent study with adequate sample size has been carried out to estimate glaucoma prevalence in Eastern India. AIMS: The aim of this study was to assess and compare the prevalence and types of glaucoma in a rural and urban East Indian population. SETTINGS AND DESIGN: The Hooghly River Glaucoma Study (HRGS) is a population-based cross-sectional study from West Bengal...
August 2016: Indian Journal of Ophthalmology
Farihah Anwar, Angela Turalba
BACKGROUND: Glaucoma is the second leading cause of blindness in the world. Angle closure glaucoma accounts for 25% of all glaucoma, with Asia having the highest rate. Angle closure is an anatomical variation, making the Inuit, Chinese, and other Asians more susceptible. Current treatments include medical, laser, and surgical modalities. PURPOSE: To identify the current treatment protocols for primary angle closure. DISCUSSION: The current general protocol to treat angle closure is to lower the intraocular pressure with medications and perform laser iridotomy...
September 29, 2016: Seminars in Ophthalmology
Yu-Fan Chang, Yu-Chieh Ko, Ling-Ing Lau, Catherine Jui-Ling Liu
BACKGROUND: The aim of this study was to verify the accuracy of a formula predicting postoperative intraocular pressure (IOP) after phacoemulsification and intraocular lens implantation (PHCE-IOL) in primary angle-closure glaucoma (PACG). In a retrospective chart review of patients with PACG who underwent PHCE-IOL between 2011 and 2014, we collected preoperative IOP, axial length, anterior chamber depth (ACD), number of pre-PHCE glaucoma medications, and IOP and glaucoma medications at 1 month and 3 months post-PHCE...
September 26, 2016: Journal of the Chinese Medical Association: JCMA
Rodrigo Díaz Fernández
BACKGROUND: Percutaneous surgery to correct deformities of the forefoot presents the advantages of using a minimal incision, which involves less soft tissue damage and less risk of wound complications. For severe deformities, percutaneous techniques have not been proven as effective. We propose a technique for the treatment of severe hallux valgus. METHODS: In a sample of 52 feet operated on 48 patients, we performed a double percutaneous osteotomy (closure proximal osteotomy and a distal Akin) or triple when a Reverdin-Isham osteotomy was added...
September 23, 2016: Foot & Ankle International
Bo Hee Kim, Eun Ji Lee
PURPOSE OF THE STUDY: The purpose of the study was to report cases with acute primary angle closure where optic disc swelling was documented after intraocular pressure (IOP) lowering by laser iridotomy. PATIENTS AND METHODS: Two patients with acute primary angle closure underwent funduscopic examination of the optic disc and spectral-domain optical coherence tomography circumpapillary scanning at the time of acute primary angle closure attack before laser iridotomy, and after the laser iridotomy treatment...
September 21, 2016: Journal of Glaucoma
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