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Laser peripheral iridotomy

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https://www.readbyqxmd.com/read/28887673/-intraocular-pressure-after-implantation-of-an-icl-with-aquaport-development-of-intraocular-pressure-after-implantation-of-an-icl-model-v4c-with-aquaport-without-iridotomy
#1
B Repplinger, T Kohnen
BACKGROUND AND OBJECTIVE: The latest version of the intraocular lens (ICL V4c) has a central hole (aquaport) that avoids a pupillary block. Due to this laser iridotomy or intraoperative surgical peripheral iridectomy are no longer required. In this study, we examined the intraocular pressure (IOP) after implantation of the ICL with aquaport, with special reference to the development of a possible pupillary block glaucoma. MATERIAL AND METHODS: This retrospective non-randomized study included 87 eyes from 46 patients (consecutive case series)...
September 8, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28887116/residual-angle-closure-one-year-after-laser-peripheral-iridotomy-in-primary-angle-closure-suspects
#2
Mani Baskaran, Elizabeth Yang, Sameer Trikha, Rajesh S Kumar, Hon Tym Wong, Mingguang He, Paul Tk Chew, Paul J Foster, David Friedman, Tin Aung
PURPOSE: To determine the incidence and baseline clinical and anterior segment optical coherence tomography (AS-OCT) predictors associated with residual angle closure as assessed by gonioscopy 1 year after laser peripheral iridotomy (LPI) in primary angle closure suspects (PACS). DESIGN: Sub-analysis of randomized controlled trial data METHODS: AS-OCT images (Visante, Carl Zeiss Meditec, Dublin, CA) from 181 PACS subjects ≥ 50 years of age, were analyzed using customized software, prior to, and 1 year after LPI...
September 5, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28885674/the-outcome-of-transscleral-cyclophotocoagulation-for-the-management-of-acute-angle-closure
#3
Patrick J Chiam, Velota C T Sung
PURPOSE: To investigate the outcome of transscleral cyclophotocoagulation (TCP) in the treatment of acute angle closure (AAC) refractory to medical treatment. METHODS: This is a retrospective interventional case series. The inclusion criteria include patients diagnosed with AAC who had TCP. Pre-TCP and post-TCP intraocular pressure (IOP), visual acuity, and AAC treatment were analyzed. The complications and the results of subsequent treatments including lens extraction if performed were also assessed...
September 7, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28860528/pupillary-responses-to-light-are-not-affected-by-narrow-irido-corneal-angles
#4
A V Rukmini, Raymond P Najjar, Eray Atalay, Sourabh Sharma, Jing Zhan Lock, Mani Baskaran, Monisha Nongpiur, Joshua J Gooley, Tin Aung, Dan Milea
Chromatic pupillometry is an emerging method for evaluating ocular health that relies upon the differential stimulation of rods, cones, and intrinsically photosensitive retinal ganglion cells (ipRGCs). Although it has been investigated in conditions affecting the outer or inner retina, there is a paucity of studies in conditions where the anterior chamber of the eye is affected. Primary angle closure suspects (PACS) are defined as eyes with narrow anterior chamber angles and intact retina. PACS patients are at risk of developing primary angle closure glaucoma and are prophylactically treated by performing laser peripheral iridotomy (LPI)...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28858958/chronic-uveitis-following-neodymium-doped-yttrium-aluminum-garnet-laser-peripheral-iridotomy
#5
Amro Ali, Cyril Rosenfeld, Eric Rosenberg, Sansar Sharma, Thaddeus L Wandel
PURPOSE: Assessment of a chronic uveitis entity in nonuveitic patients following neodymium-doped yttrium aluminum garnet (Nd:YAG) laser peripheral iridotomy. METHODS: A 7-year retrospective observational case series of 5 patients that developed chronic uveitis following a Nd:YAG laser peripheral iridotomy treatment. RESULTS: Five eyes of 5 nonconsecutive patients had developed chronic anterior uveitis lasting >12 weeks. Four patients were female, with a mean age of 60...
August 30, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28791075/effects-of-laser-peripheral-iridotomy-on-corneal-endothelial-cell-density-and-cell-morphology-in-primary-angle-closure-suspect-subjects
#6
Mohammad Rasoul Sabouri
No abstract text is available yet for this article.
July 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28767461/long-term-outcome-of-argon-laser-peripheral-iridoplasty-in-the-management-of-plateau-iris-syndrome-eyes
#7
Jeffrey R Peterson, John W Anderson, Lauren S Blieden, Alice Z Chuang, Robert M Feldman, Nicholas P Bell
PURPOSE: To report long-term (>5 y) outcomes of plateau iris syndrome patients treated with argon laser peripheral iridoplasty (ALPI). PATIENTS AND METHODS: A retrospective chart review was performed on all patients with plateau iris syndrome treated with ALPI from 1996 to 2007. The study included 22 eyes from 22 patients with plateau iris after peripheral iridotomy that were followed for at least 1 year after ALPI. The primary outcome was incidence of needing any intraocular pressure (IOP)-lowering medications or surgery (either a filtering procedure or phacoemulsification)...
September 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28731877/simple-preoperative-ink-test-as-a-novel-adjunct-to-intrastromal-keratopigmentation-for-post-laser-peripheral-iridotomy-dysphotopsias
#8
Stephan Ong Tone, Daniel Q Li, Zach Ashkenazy, Armand Borovik, Allan R Slomovic, David S Rootman, Clara C Chan
PURPOSE: To describe a simple preoperative ink test as a novel adjunct to intrastromal keratopigmentation for post-laser peripheral iridotomy (LPI) dysphotopsias. METHODS: A surgical marking pen is applied to the area over a peripheral iridotomy before intrastromal keratopigmentation. The patient can then assess whether there is any improvement in their symptoms of dysphotopsias. Manual intrastromal keratopigmentation can then be performed using a crescent blade into the clear cornea at 50% depth and tunneled centrally to create a pocket ensuring that the peripheral iridotomy is fully occluded...
October 2017: Cornea
https://www.readbyqxmd.com/read/28671920/adherence-to-follow-up-recommendations-among-individuals-in-the-philadelphia-glaucoma-detection-and-treatment-project
#9
Lisa A Hark, Benjamin E Leiby, Michael Waisbourd, Jonathan S Myers, Scott J Fudemberg, Anand V Mantravadi, Yang Dai, John P Gilligan, Arthur F Resende, L Jay Katz
PURPOSE: To evaluate rates of adherence to free follow-up eye exam appointments among participants in the Philadelphia Glaucoma Detection and Treatment Project. PATIENTS AND METHODS: Ophthalmologists and testing equipment were brought directly to participants at risk for glaucoma at 43 community sites in Philadelphia. Those diagnosed with glaucoma-related pathology were recommended to return for follow-up to be reexamined on site. Rates of adherence and clinical and demographic risk factors for adherence were evaluated...
June 30, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28557825/suture-of-symptomatic-yag-laser-peripheral-iridotomies-following-phakic-intraocular-lens-implantation
#10
Daniele Tognetto, Chiara De Giacinto, Gabriella Cirigliano
A 45-year-old woman complained of glare and photophobia after iris-fixated phakic intraocular lens (IFPIOL) implantation in her left eye. The patient underwent prophylactic laser peripheral iridotomies (LPIs) 2 days before surgery. The uncorrected visual acuity after surgery was 20/20 and the intraocular pressure was 14 mm Hg. The slit-lamp examination showed a well-centered IFPIOL and 2 LPIs at 10 and 2 o'clock partially covered by the upper lid. Twenty days after IFPIOL implantation, as symptoms persisted and were intolerable to the patient, we decide to suture iridotomies using a modified Siepser slip-knot technique...
July 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28556512/comparison-of-circumferential-peripheral-angle-closure-using-iridotrabecular-contact-index-after-laser-iridotomy-versus-combined-laser-iridotomy-and-iridoplasty
#11
Hyun-Kyung Cho, Changwon Kee, Heon Yang, Hyoun Do Huh, Su Jin Kim, Young Min Park, Jong Moon Park
PURPOSE: To compare the quantitative changes of peripheral angle after laser iridotomy (LI) alone (group A) or combined LI and Iridoplasty (group B) using iridotrabecular contact (ITC) index by swept-source anterior segment optical coherence tomography (AS-OCT). METHODS: In this prospective comparative observational study, OCT images were obtained before and after the procedure. In each image frame, scleral spur (SS) and the ITC end point (EP) were marked and ITC index was calculated as a percentage of the angle closure from 360°...
May 27, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28385302/subclassification-of-primary-angle-closure-using-anterior-segment-optical-coherence-tomography-and-ultrasound-biomicroscopic-parameters
#12
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...
July 2017: Ophthalmology
https://www.readbyqxmd.com/read/28356143/reverse-pupillary-block-after-implantation-of-a-scleral-sutured-posterior-chamber-intraocular-lens-a-retrospective-open-study
#13
Seung Pil Bang, Choun-Ki Joo, Jong Hwa Jun
BACKGROUND: To report the clinical features of patients with reverse pupillary block (RPB) after scleral-sutured posterior chamber intraocular lens (PC IOL) implantation and biometric changes after laser peripheral iridotomy (LPI). METHODS: Eight patients attending our hospital's ophthalmology outpatient clinic, who developed RPB after implantation of a scleral-sutured PC IOL due to subluxation of the crystalline lens or IOL, were investigated in this retrospective, observational study...
March 29, 2017: BMC 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
#14
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/28292776/comparison-of-corneal-endothelial-cell-density-and-morphology-after-posterior-chamber-phakic-intraocular-lens-implantation-with-and-without-a-central-hole
#15
Hiroyasu Goukon, Kazutaka Kamiya, Kimiya Shimizu, Akihito Igarashi
AIM: To compare the corneal endothelial cells after posterior chamber phakic intraocular lens with and without a central hole (hole implantable collamer lens (ICL) and conventional ICL) implantation for the correction of moderate to high myopia. METHODS: This retrospective study evaluated 34 eyes of 34 patients who underwent hole ICL implantation and 25 eyes of 25 patients who underwent conventional ICL implantation. Preoperatively and 3 months, and 1 and 2 years postoperatively, we compared the central corneal endothelial cell density (ECD), coefficient of variation in cell size (CV) and the percentage of hexagonal cells (HEX) between the two groups using a non-contact specular microscope (EM-3000, Tomey)...
March 14, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28288603/acute-angle-closure-attack-after-an-intravitreal-bevacizumab-injection-for-branch-retinal-vein-occlusion-a-case-report
#16
Seongyong Jeong, Min Sagong, Woohyok Chang
BACKGROUND: Intravitreal injection is widely used to treat retinal vein occlusion, and acute angle closure (AAC) is an exceptional complication of intravitreal injection. The authors report a case of AAC that occurred immediately after administering intravitreal bevacizumab to treat branch retinal vein occlusion (BRVO). CASE PRESENTATION: A 65-year-old woman was referred to the retina clinic of a tertiary referral center for the treatment of macular edema secondary to BRVO...
March 14, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28272229/occult-lens-subluxation-related-to-laser-peripheral-iridotomy-a-case-report-and-literature-review
#17
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)
https://www.readbyqxmd.com/read/28203193/recurrent-uveal-effusion-after-laser-iridotomy
#18
Hiroshi Sakai, Michiko Yonahara, Miyako Sakai
A 59-year-old woman was seen by an ophthalmologist for blurred vision, ocular pain, headache, and nausea. She was diagnosed with acute primary angle closure (APAC) and successfully treated with medications. Using ultrasound biomicroscopy (UBM), engorged episcleral vein was observed and small uveal effusion was diagnosed after laser peripheral iridotomy (LPI). The uveal effusion disappeared and was again diagnosed by UBM together with anterior segment inflammation with ocular pain. Iritis caused by LPI after APAC might be a cause of uveal effusion in this specific case...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28141872/factors-associated-with-the-retinal-nerve-fiber-layer-loss-after-acute-primary-angle-closure-a-prospective-edi-oct-study
#19
Eun Ji Lee, Tae-Woo Kim, Kyoung Min Lee, Seung Hyen Lee, Hyunjoong Kim
PURPOSE: To determine the factors associated with retinal nerve fiber layer (RNFL) loss in eyes with acute primary angle-closure (APAC), particularly focusing on the influence of the change in the anterior lamina cribrosa surface depth (LCD). METHODS: After the initial presentation, 30 eyes with unilateral APAC were followed up at the following specific time points over a 12-month period: 1 week, 1~2 months, 2~3 months, 5~6 months, and 11~12 months. These follow-ups involved intraocular pressure measurements, enhanced depth-imaging spectral-domain optical coherence tomography (SD-OCT) scanning of the optic disc, and measurements of the circumpapillary RNFL thickness...
2017: PloS One
https://www.readbyqxmd.com/read/28112126/the-posterior-iris-claw-lens-outcome-study-6-month-follow-up
#20
Nana Madhukar Jare, Ashwini Ganesh Kesari, Salil S Gadkari, Madan D Deshpande
PURPOSE: The purpose of this study was to evaluate functional and anatomical outcomes of posterior iris-claw intraocular lens (IOL) implant for correction of aphakia in eyes with inadequate capsular support. MATERIALS AND METHODS: Prospective case series of 108 aphakic eyes with inadequate capsular support which underwent posterior iris-claw IOL with a 6-month follow-up period was conducted. The cases belonged to two clinical settings: elective secondary implantation and those with intraoperative posterior dislocation of cataractous lens or IOL...
December 2016: Indian Journal of Ophthalmology
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