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Intraocular lens silicon oil

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https://www.readbyqxmd.com/read/28674834/intraocular-silicone-implant-to-treat-chronic-ocular-hypotony-an-in-vivo-trial
#1
Wesal Bayoudh, Dörthe Carstesen, Peter Walter, Andreas W A Weinberger
PURPOSE: The management of chronic ocular hypotony and complicated proliferative vitreoretinopathy-related retinal detachment represents a challenge. Being non-absorbable and non-biodegradable, a silicone oil implant is expected to restore the volume and the intraocular pressure of the globe, as well as to approximate the detached retina. Further advantages could be a long-term tamponade potential, absence of toxicity, and prevention of silicone oil emulsification or anterior chamber oil-prolapse...
July 3, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28499054/manual-removal-of-intraocular-lens-silicone-oil-droplets-and-dystrophic-calcifications-using-a-nitinol-loop-a-case-series
#2
Kareem Moussa, Theodore Leng, Julius T Oatts, Robert B Bhisitkul, David G Hwang, Jay M Stewart
Deposition of dystrophic calcifications on the posterior surface of silicone intraocular lenses (IOLs) has been reported in patients with asteroid hyalosis. Accumulation of silicone oil droplets on the posterior surface of silicone IOLs in silicone-filled eyes has also been reported. Recently, a novel technique to manually remove dystrophic calcifications using a nickel titanium loop (Finesse Flex Loop; Alcon, Fort Worth, TX) was described, obviating the need for IOL exchange. Here, the authors report their outcomes with this technique in five eyes with IOL dystrophic calcifications as well as one eye with IOL silicone oil droplet accumulation...
May 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28487797/echographic-evaluation-of-a-subconjunctival-cystic-lesion
#3
Maddalena De Bernardo, Gennarfrancesco Iaccarino, Valeria Russo, Nicola Rosa
Migration of intraocular silicone oil, used in the treatment of complicated retinal detachment, has been rarely described, but when it happens it can arise with a differential diagnosis with scleral buckling extrusion, tumor, dermoid, ocular cysticercosis, and abscess. The presence of silicone oil in the eye gives very ugly echographic pictures, but these kinds of pictures can be very useful in making a differential diagnosis in the above-mentioned cases. A 39-year-old white female complained of the presence of conjunctival hyperemia and tearing in the right eye (RE); her visual acuity was hand motion, and the intraocular pressure was 14 mmHg...
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/28445869/silicone-oil-related-visual-loss
#4
Hamouda Hamdy Ghoraba, Adel Galal Zaky, Mohamed Amin Heikal, Emad Eldin Mohamed Elgemai, Haithem Mamoun Abd Al Fatah
BACKGROUND: Silicone oil (SO) is used as an intravitreal tamponade agent in vitreoretinal surgery for rhegmatogenous retinal detachment (RRD) complicated by proliferative vitreoretinopathy or with large, multiple retinal tears. Usually, SO is left in the eye for at least 3 months. Although its use can lead to well-known complications, intraocular SO is generally well tolerated. Some studies have reported unexpected central vision loss after SO use or removal. OBJECTIVE: To investigate and analyze the reason for visual loss after the use or removal of intraocular SO in patients who underwent vitrectomy surgeries for RRD...
2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28441071/efficacy-and-safety-of-23-gauge-pars-plana-vitrectomy-silicone-oil-tamponade-combination-for-treatment-of-pediatric-post-traumatic-endophthalmitis
#5
Wei Jin, Yaopeng Xu, Wenjun Wang, Yiqiao Xing, Anhuai Yang
PURPOSE: To determine (i) the etiology, epidemiology, mechanism of injury, and risk factors associated with open globe injuries (OGIs) in children and (ii) visual outcomes of pediatric patients with post-traumatic endophthalmitis following 23-gauge pars plana vitrectomy (PPV) combined with silicone oil tamponade (SOT). METHODS: A total of 107 consecutive patients, <15 years of age, who had been diagnosed with post-traumatic endophthalmitis between September 2009 and October 2015, were included in this 6-year retrospective study...
August 2017: Current Eye Research
https://www.readbyqxmd.com/read/28393030/surgical-treatment-and-visual-outcomes-of-cataract-with-persistent-hyperplastic-primary-vitreous
#6
Li Li, Da-Bei Fan, Ya-Ting Zhao, Yun Li, Fang-Fei Cai, Guang-Ying Zheng
AIM: To evaluate the surgical treatment and visual outcomes of eyes with cataract and persistent hyperplastic primary vitreous (PHPV). METHODS: This retrospective study included patients with cataract and PHPV treated with various strategies. Anterior PHPV was treated using phacoemulsification with underwater electric coagulation on posterior capsule neovascularization, posterior capsulotomy, anterior vitrectomy, and intraocular lens (IOL) implantation. Posterior PHPV was treated with lensectomy, posterior vitrectomy, retinal photocoagulation, and IOL implantation or silicone oil tamponade...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28003789/an-after-after-cataract-a-curious-case-of-visual-axis-re-opacification
#7
Jay Kalliath, Gaurav Prakash, Kavitha Avadhani, Anitha Shakuntala
Posterior capsular opacification (PCO) is common after cataract surgery. Recurrence is very rare after a successful Yttrium aluminium-garnet (YAG) capsulotomy in adults. We report a case of visual axis re-opacification after a successful YAG capsulotomy for PCO in an adult. A 60-year male underwent phacoemulsification with +20.0 D acrylic hydrophobic intraocular lens implantation and silicon oil removal (SOR) five months after a successful retinal detachment repair. He underwent a capsulotomy after two months of surgery; however, the visual axis re-opacified after three more months...
October 2016: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/27999127/bilateral-choroidal-detachment-with-exudative-retinal-detachment-in-a-patient-with-septicaemia
#8
Padmaja Kumari Rani, Vikas Ambiya, Sirisha Senthil, Subhadra Jalali
We present a case of bilateral choroidal and exudative retinal detachment with hypotony in a patient with septicaemia. Our patient after initial hospitalisation was treated by the local ophthalmologist as a case of sterile pan uveitis with systemic and topical steroids that did not have any effect. Our patient responded well to timely surgical intervention of choroidal drainage and vitrectomy with silicone oil tamponade followed by steroids and antibiotics. Cataract progression in both eyes occurred due to hypotony, inflammation, use of steroids and the vitreous surgery...
December 20, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27843234/progressive-keratoconus-retinal-detachment-and-intracorneal-silicone-oil-with-obsessive-compulsive-eye-rubbing
#9
Kartik Panikkar, George Manayath, Revathi Rajaraman, Veerappan Saravanan
An 18-year-old boy with an obsessive-compulsive disorder of eye rubbing presented with forme fruste keratoconus (KC) and posterior subcapsular cataracts. After evaluation, he underwent phacoemulsification in his left eye with intraocular lens implantation. The aggressive eye rubbing, however, aggravated the rapid progression to established KC, and further acute corneal hydrops within 3 months. Within the next 3 months, the eye rubbing precipitated rhegmatogenous retinal detachments (RDs) in both eyes. Furthermore, after undergoing a combined cataract and RD surgery with belt buckling and silicone oil endotamponade in his right eye, the repeated eye rubbing caused extrusion of the implanted silicone oil into the subconjunctival space and within the corneal stroma...
September 2016: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/27738893/imaging-characteristics-of-the-postoperative-globe-a-pictorial-essay
#10
REVIEW
Yusuke Ito, Ikuo Yamazaki, Yoichi Kikuchi, Eri O'uchi, Toshihiro O'uchi, Hiroaki Kato, Kazuki Hotta
Recognizing imaging characteristics after ophthalmic surgery is necessary for radiologists to prevent misdiagnosis. We review typical appearances of intraorbital implanted devices and materials on CT and MRI with demonstration of the common surgical procedures. EX-PRESS glaucoma filtration devices appear as punctate areas of metal attenuation on CT and are typically placed at the corneoscleral junction. The imaging manifestations after cataract extraction are absence of the native lens of ovoid mass and the intraocular lens with high attenuation on CT and low signal intensity on MRI...
December 2016: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/27526710/refractive-shift-of-silicone-oil-tamponade-in-pseudophakic-eye
#11
Wei Fang, Jiuke Li, Xiaohong Jin, Jing Zhai, Yuanmin Dai, Yumin Li
BACKGROUND: Refraction change of silicone oil (SO) tamponade in phakic and aphakic eye has been studied thoroughly; however, it is rarely studied in pseudophakic eye. In this paper we aimed to deduce a theoretical formula predicting refractive shift of silicone oil tamponade in pseudophakic eye and compared it with clinical findings. METHOD: A theoretical formula was deduced through strict geometric optical principles under the Helmholtz Schematic eye model. Pre/postoperative refractive status of patients who previously underwent phacoemulsification, intraocular lens (IOL) implant, vitrectomy, SO tamponade and required SO extraction was studied...
August 16, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27494778/surgical-treatment-of-subretinal-fibrosis-caused-macular-detachment-in-vogt-koyanagi-harada-disease-a-pioneer-study
#12
Chan Zhao, Meifen Zhang, Fei Gao, Fangtian Dong
PURPOSE: To describe surgical outcomes of macular detachment caused by subretinal fibrosis (SRF) in Vogt-Koyanagi-Harada disease (VKH). METHODS: Retrospective review of VKH patients who underwent SRF removal surgery. RESULTS: Seven eyes of six VKH patients with preoperative BCVA ranging from light perception to 20/250 were included. Six eyes underwent uncomplicated SRF removal with C3F8 or silicone oil (SO) tamponade and the following optional primary or subsequent procedures: intravitreal injection of triamcinolone acetonide, SO removal, lensectomy, or phacoemulsification with intraocular lens (IOL) implantation...
August 5, 2016: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/27439781/clinical-and-microbiological-profile-of-non-tuberculous-mycobacterial-endophthalmitis-experience-in-a-tertiary-eye-care-centre-in-southern-india
#13
Remya Mareen Paulose, Joveeta Joseph, Raja Narayanan, Savitri Sharma
BACKGROUND: Endophthalmitis caused by non-tuberculous mycobacteria (NTM) is a rare condition seen after surgery and trauma. This study reports a retrospective, consecutive, non-comparative case series of 5 patients referred to L. V. Prasad Eye Institute, Hyderabad, and diagnosed with culture-proven NTM endophthalmitis between January 2004 and April 2015. Data collected included demographic information, presenting features, microbiology investigation, treatment course, and final visual outcome...
December 2016: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/27190642/long-term-observation-of-triplex-surgery-for-cataract-after-phakic-6h-implantation-for-super-high-myopia
#14
Xin Liu, Fan Fan, Xiaoying Wang, Yi Lu, Tianyu Zheng, Peng Zhou, Xingtao Zhou, Yi Luo
Purpose. To analyze the safety, effectiveness, and stability of triplex surgery for phakic 6H anterior chamber phakic intraocular lens explantation and phacoemulsification with in-the-bag IOL implantation for super high myopia in long-term observations. Methods. This retrospective case series evaluated 16 eyes of 10 patients who underwent triplex surgery. Best corrected visual acuity (BCVA), endothelial cell density (ECD), and associated adverse events were evaluated. Results. The mean follow-up time after the triplex surgery was 46 ± 14 months...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/26845869/-intraocular-lens-power-calculation-in-silicone-filled-eyes
#15
A A Kas'yanov, S V Sdobnikova, N A Troitskaya, E G Ryzhkova, A A Kas'yanov, S V Sdobnikova, N A Troitskaya, E G Ryzhkova
AIM: to evaluate the accuracy of different modified methods for axial length (AL) measurement in silicone-filled eyes. MATERIAL AND METHODS: The study was conducted in a group of 60 patients (60 eyes) with silicone oil tamponade (Oxane 1300 cst). Axial length measurements were taken using IOL Master optical coherence biometry ('silicone-filled eye' mode) and modified A-scan ultrasound biometry (velocity of ultrasound passing through the vitreous body set at 980 m/s and 1000 m/s)...
September 2015: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/26674780/incidence-and-factors-associated-with-complications-of-sutured-and-sutureless-cataract-surgery-following-pars-plana-vitrectomy-at-a-tertiary-referral-centre-in-turkey
#16
Mumin Hocaoglu, Murat Karacorlu, Isil Sayman Muslubas, Hakan Ozdemir, Serra Arf, Omer Uysal
AIMS: To evaluate the incidence of and factors contributing to intraoperative and postoperative complications of eyes with previous pars plana vitrectomy (PPV) undergoing phacoemulsification and intraocular lens (IOL) implantation for cataract. METHODS: The intraoperative and postoperative complications and observations in 513 eyes of 485 patients with previous PPV undergoing sutured and sutureless cataract surgery were assessed. Associations between preoperative characteristics and complications during and after the surgery were explored...
September 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/26507103/calcification-of-hydrophilic-acrylic-intraocular-lens-in-eyes-with-silicone-oil-tamponade-an-interventional-case-series-report
#17
Cosmin Rosca, Mihnea Munteanu, Irina Tamasoi, Zarko Petrovic, Nicolae Balica, Cristina Nicula, Octavian Cretu
No abstract text is available yet for this article.
September 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/26349150/surgical-treatment-of-open-globe-trauma-complicated-with-the-presence-of-an-intraocular-foreign-body
#18
Tomasz Chorągiewicz, Katarzyna Nowomiejska, Kamila Wertejuk, Michael J Koss, Sebastian Thaler, Simona Sorrentino, Matteo Forlini, Anselm G M Jünemann, Robert Rejdak
BACKGROUND: Open globe injuries complicated with the presence of an intraocular foreign body constitute a vision threatening condition. PURPOSE: To present the results of pars plana vitrectomy in patients with intraocular foreign body. MATERIAL AND METHODS: Medical records of 22 patients were analyzed. Retrospective analysis of data included visual acuity, age, gender and type of injury. RESULTS: All patients were men and the mean age was 37 years...
2015: Klinika Oczna
https://www.readbyqxmd.com/read/26214315/a-surgical-approach-to-large-subretinal-hemorrhage-using-pars-plana-vitrectomy-and-360%C3%A2-retinotomy
#19
Yantao Wei, Zhaotian Zhang, Xintong Jiang, Fan Li, Ting Zhang, Suo Qiu, Yuanzhe Yang, Shaochong Zhang
PURPOSE: To evaluate the surgical approach of pars plana vitrectomy combined with 360° retinotomy and silicon oil tamponade in the treatment of patients with large subretinal hemorrhage. METHODS: Prospective, nonrandomized, and noncomparative case series study. Consecutive patients with breakthrough vitreous hemorrhage and massive subretinal hemorrahge were recruited to have combined surgery of pars plana vitrectomy with 360° retinotomy and silicone oil temponade...
August 2015: Retina
https://www.readbyqxmd.com/read/26117929/-treatment-for-penetrating-wound-caused-by-metallic-intraocular-foreign-body
#20
M Pienaru, Ramona Şerban, F Baltă
INTRODUCTION: Penetrating wounds with intraocular foreign body are ophthalmologic emergencies due to their severity and complexity and may require multiple surgeries for final resolution. CASE REPORT: 30-years-old patient with penetrating wound and metallic intraocular foreign body in the posterior vitreous requires successive operations for IOFB extraction, lensectomy, posterior vitrectomy for rhegmatogenous retinal detachment and then silicone oil extraction with final visual acuity 0, 4 PH...
2014: Oftalmologia
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