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Posterior vitreous detachment

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https://www.readbyqxmd.com/read/29734180/influence-of-the-vitreoretinal-interface-on-the-treatment-with-anti-vegf-for-exudative-age-related-macular-degeneration
#1
Pedro Gil, João Gil, Nuno Oliveira, Inês Laíns, Eduardo Nery Rossi Camilo, Cristina Fonseca, Miguel Raimundo, Maria da Luz Cachulo, Rufino Silva
PURPOSE: To investigate the influence of the vitreoretinal interface on the outcomes of different ranibizumab regimens for exudative age-related macular degeneration. METHODS: We conducted a retrospective subanalysis of 2 prospective clinical trials. Patients were treated with ranibizumab for 12 months according to 3 different regimens: pro-re-nata (PRN), treat and extend (T&E), and monthly. Vitreoretinal interface was assessed for absence (group ON) or presence (group OFF) of posterior vitreous detachment (PVD)...
May 7, 2018: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/29712637/efficacy-of-non-fovea-sparing-ilm-peeling-for-symptomatic-myopic-foveoschisis-with-and-without-macular-hole
#2
Amer Hamad Al-Badawi, Mohamad Amr Salah Eddin Abdelhakim, Tamer Ahmed Macky, Hassan Aly Mortada
AIM: To study anatomical and visual outcomes of pars plana vitrectomy (PPV) with non-fovea-sparing (entire) internal limiting membrane (ILM) peeling in eyes with myopic foveoschisis (MF). METHODS: Prospective interventional case series of eyes undergoing PPV with entire ILM peeling for symptomatic MF. MAIN OUTCOME MEASURES: Preoperative spectral domain optical coherence tomography (SD - OCT) epiretinal membrane, anomalous posterior vitreous detachment, vitreoschisis and postoperative changes in SD-OCT central foveal thickness (CFT), ellipsoid zone defect, foveal detachment (FD), macular hole (MH) diameter (if present) and best-corrected visual acuity (BCVA) in logarithm of the minimum angle of resolution (logMAR)...
April 30, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29698410/ten-year-cumulative-incidence-of-epiretinal-membranes-assessed-on-fundus-photographs-the-beijing-eye-study-2001-2011
#3
Yan Yang, Yan Ni Yan, Ya Xing Wang, Jie Xu, Jie Ren, Liang Xu, Jost B Jonas, Wen Bin Wei
PURPOSE: To assess the 10-year incidence and progression of epiretinal membranes (ERMs). METHODS: The population-based longitudinal Beijing Eye Study, which included 4439 subjects (age:40+years) in 2001, was repeated in 2011 with 2695 subjects participating (66.4% of the survivors). The study participants underwent a detailed ophthalmic examination, including retinal photography. Assessing fundus photograohs, ERMs were classified as cellophane macular reflex (CMR) without retinal folds, or as preretinal macular fibrosis (PMF) without or with retinal folds...
2018: PloS One
https://www.readbyqxmd.com/read/29675373/comparison-of-the-effects-of-intravitreal-bevacizumab-and-dexamethasone-in-experimental-posterior-penetrating-eye-injury
#4
Ayse Oner, Nisa Kahraman, Saim Ozdamar, Esra Balcioglu
AIM: To compare the effects of intravitreal anti-vascular endothelial growth factor (VEGF) and dexamethasone in an experimental rabbit model of posterior penetrating ocular injury. METHODS: Thirty white New Zealand rabbits were included in the study. A posterior penetrating ocular injury was performed at the superotemporal quadrant. They were randomly divided into three groups. The rabbits in group 1 received intravitreal dexamethasone, in group 2 they received intravitreal bevacizumab and those in group 3 received intravitreal physiological saline solution in both eyes...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29649485/occult-globe-rupture-diagnostic-and-treatment-challenge
#5
REVIEW
Argyrios Chronopoulos, Jong Min Ong, Gabriele Thumann, James S Schutz
Occult globe rupture is a traumatic dehiscence of the sclera at or posterior to the rectus muscle insertions without a visible eye wall defect on slit lamp examination. Occult scleral ruptures are important because they can be difficult to diagnose, but normally require preoperative protection against external pressure to reduce risk of herniation of ocular contents through the rupture and then urgent surgical repair to restore eye wall structural integrity and achieve optimum prognosis. A deeper than normal anterior chamber with posteriorly retracted plateau iris seen immediately after acute ocular trauma is virtually pathognomonic of posterior globe dehiscence...
April 9, 2018: Survey of Ophthalmology
https://www.readbyqxmd.com/read/29643781/two-cases-of-rhegmatogenous-retinal-detachment-associated-with-asteroid-hyalosis
#6
Yoshitaka Okuda, Keigo Kakurai, Takaki Sato, Seita Morishita, Masanori Fukumoto, Ryohsuke Kohmoto, Mai Takagi, Takatoshi Kobayashi, Teruyo Kida, Tsunehiko Ikeda
Background: To report two cases of rhegmatogenous retinal detachment (RRD) associated with asteroid hyalosis (AH). Case Presentation: Two patients presented with RRD originating from a flap tear. Case 1 involved a 62-year-old male who was found to have bullous RRD in his left eye originating from a flap tear. During vitreous surgery, a thick vitreous cortex was found to have strongly adhered to the entire retinal surface, from the center to the periphery. A bimanual method was then used in conjunction with the vitrectomy to create an artificial posterior vitreous detachment...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29643775/case-report-of-a-family-affected-by-stickler-syndrome-in-which-rhegmatogenous-retinal-detachment-occurred-in-five-eyes-of-three-siblings
#7
Daisaku Kimura, Takaki Sato, Shou Oosuka, Ryohsuke Kohmoto, Masanori Fukumoto, Masashi Mimura, Kensuke Tajiri, Takatoshi Kobayashi, Teruyo Kida, Tsunehiko Ikeda
Purpose: Stickler syndrome is an autosomal dominant inherited disorder that is well known to be highly associated with the development of rhegmatogenous retinal detachment. In this study, we report the case of a family affected by Stickler syndrome in which rhegmatogenous retinal detachment developed in 5 eyes of 3 siblings. Case Series: For treatment, we performed vitreous surgery on 1 eye of the eldest son, and bilateral scleral buckling surgery on the 2 younger children...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29623721/evaluation-of-ocular-perforation-during-retrobulbar-block-using-high-resolution-spectral-domain-optical-coherence-tomography-and-optical-coherence-tomography-angiography
#8
Stanislao Rizzo, Ruggero Tartaro, Lucia Finocchio, Andrea Giorni, Daniela Bacherini, Alfonso Savastano
INTRODUCTION: This article reports a case of ocular perforation during a retrobulbar block in a patient who underwent scleral buckle for retinal detachment. METHODS: Sterile air was immediately injected into the vitreous cavity to restore intraocular pressure and the scleral buckle operation was quickly finished. One week later, a laser retinopexy was performed on the two retinal holes that were outside the foveal area. After 6 months, spectral domain-optical coherence tomography and optical coherence tomography angiography were performed on the perforated wall centered on the exit hole area...
March 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29581921/posterior-vitreous-detachment-precipitated-by-yoga
#9
Soh Yee Chong, Lai Chan Fhun, Evelyn Tai, Mei Fong Chong, Khairy Shamel Sonny Teo
Yoga has recently been touted as a means to improve physical and mental well-being. However, no form of exercise is without its risks. A 32-year-old Chinese female with moderate myopia complained of right eye sudden onset of floaters and mild blurring of vision after the head-down posture. The visual acuity was 6/12 in the right eye and 6/9 in the left eye. A right eye fundus examination showed posterior vitreous detachment, with a small blood clot located at the inferior margin of the optic disc. The patient was diagnosed with right eye vitreous hemorrhage secondary to acute posterior vitreous detachment and was managed conservatively...
January 24, 2018: Curēus
https://www.readbyqxmd.com/read/29569478/evaluation-of-hyaloid-retinal-relationship-during-triamcinolone-assisted-vitrectomy-for-primary-rhegmatogenous-retinal-detachment
#10
Dheepak Sundar, Brijesh Takkar, Pradeep Venkatesh, Rohan Chawla, Shreyas Temkar, Shorya Vardhan Azad, Rajpal Vohra
AIMS: To determine hyaloid-retinal relationship in primary rhegmatogenous retinal detachment during vitreous surgery. METHODS: This is a prospective, interventional study of patients (n = 72) undergoing triamcinolone-assisted 25G vitreous surgery for primary rhegmatogenous retinal detachment. Hyaloid-retinal relationship was noted intraoperatively to identify regions and patterns of firm attachment and was classified into subgroups. Analysis was done to determine association between hyaloid-retinal relationship patterns and preoperative findings: posterior vitreous detachment, proliferative vitreoretinopathy, type of retinal tear, the presence of peripheral degenerations, and postoperative outcomes...
March 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29561385/silicone-microtube-assisted-scleral-fixation-of-a-posterior-chamber-intraocular-lens
#11
Takuya Kataoka, Motohiro Kamei
PURPOSE: To report a novel technique for intrascleral fixation of a posterior chamber intraocular lens using a silicone microtube to manipulate the haptics into position. METHODS: Intrascleral fixation was performed in six eyes and the results evaluated in this retrospective case series. A silicone microtube with a 0.2-mm external diameter was passed from a sclerocorneal incision through the chamber and a sclerotomy made using a 30-gauge needle. The tips of the intraocular lens haptics were connected to the silicone microtube outside the eye...
March 20, 2018: Retina
https://www.readbyqxmd.com/read/29560370/acute-vitreoretinal-trauma-and-inflammation-after-traumatic-brain-injury-in-mice
#12
Lucy P Evans, Elizabeth A Newell, MaryAnn Mahajan, Stephen H Tsang, Polly J Ferguson, Jolonda Mahoney, Christopher D Hue, Edward W Vogel, Barclay Morrison, Ottavio Arancio, Russell Nichols, Alexander G Bassuk, Vinit B Mahajan
Objective: Limited attention has been given to ocular injuries associated with traumatic brain injury (TBI). The retina is an extension of the central nervous system and evaluation of ocular damage may offer a less-invasive approach to gauge TBI severity and response to treatment. We aim to characterize acute changes in the mouse eye after exposure to two different models of TBI to assess the utility of eye damage as a surrogate to brain injury. Methods: A model of blast TBI (bTBI) using a shock tube was compared to a lateral fluid percussion injury model (LFPI) using fluid pressure applied directly to the brain...
March 2018: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29538588/which-dose-of-bevacizumab-is-more-effective-for-the-treatment-of-aggressive-posterior-retinopathy-of-prematurity-lower-or-higher-dose
#13
Seyhan Dikci, Osman Melih Ceylan, Soner Demirel, Turgut Yılmaz
PURPOSE: To compare 0.5 mg and 0.625 mg of bevacizumab for treating aggressive posterior retinopathy of prematurity (AP-ROP). METHODS: The medical records of patients with AP-ROP who were administered intravitreal bevacizumab (IVB) as a primary treatment at a university clinic were evaluated retrospectively. Five eyes of three patients (Group 1) who received 0.625 mg/0.025 ml IVB and 10 eyes of another five patients (Group 2) who received 0.5 mg/0.02 ml IVB were evaluated...
January 2018: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/29536170/the-effects-of-aging-vitreous-on-contrast-sensitivity-function
#14
Giancarlo A Garcia, Matin Khoshnevis, Kenneth M P Yee, Justin H Nguyen, Jeannie Nguyen-Cuu, Alfredo A Sadun, J Sebag
PURPOSE: Contrast sensitivity function (CSF) declines with age. When unassociated with cataracts, this is hypothesized to be due to macular ganglion cell complex (GCC) thinning. However, other studies found associations with increased vitreous echodensity and posterior vitreous detachment (PVD). We investigate the relationship between CSF, vitreous echodensity, PVD, and GCC thickness as related to age in the same subjects. METHODS: Age, CSF (Weber index: %W), vitreous echodensity (quantitative ultrasonography [QUS]), lens status (phakia or pseudophakia), best-corrected visual acuity (BCVA), and GCC thickness (SD-OCT) were evaluated in 57 eyes of 57 subjects with (n = 32, mean age = 62 years) and without (n = 25, mean age = 44 years) PVD (P < 0...
May 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29533284/posterior-fundus-hemorrhages-frequency-and-associated-factors-the-beijing-eye-study
#15
Jin Qiong Zhou, Ya Xing Wang, Liang Xu, Liang Zhao, Shuang Wang, Jie Xu, Qi Sheng You, Hua Yang, Wen Bin Wei, Jost B Jonas
PURPOSE: To examine frequency and associations of retinal hemorrhages. METHODS: The population-based Beijing Eye Study included 3,468 individuals. Monoscopic fundus photographs were examined for hemorrhages. RESULTS: Retinal hemorrhages were detected in 515 eyes (429 individuals) (prevalence: 7.6%; 95% confidence interval [CI]: 7.0-8.0 per eye; 12.7%; 95% CI: 11.7-13.7 per person). Higher prevalence of retinal hemorrhages was correlated (multivariate analysis) with higher systolic blood pressure (P < 0...
March 12, 2018: Retina
https://www.readbyqxmd.com/read/29528887/localization-of-macular-crystals-associated-with-chronic-retinal-detachment-to-the-posterior-hyaloid-using-spectral-domain-optical-coherence-tomography
#16
Elizabeth A Atchison, Timothy P Flood
PURPOSE: To present a case of crystalline retinopathy associated with chronic retinal detachment and localize the macular crystals using spectral domain optical coherence tomography. METHODS: Case Report. RESULTS: A 37-year-old man with previously treated chronic retinal detachment presented with normal vision and crystalline maculopathy. Spectral domain optical coherence tomography localized the macular crystals to the posterior hyaloid membrane and on the internal limiting membrane, but not within the retina...
March 8, 2018: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29502596/retinal-detachment-after-acute-posterior-vitreous-detachment-resulting-from-posterior-chamber-phakic-intraocular-lens-implantation
#17
Gabrielle Lapeyre, Marie-Noëlle Delyfer, David Touboul
A 39-year-old woman presented with an early posterior vitreous detachment (PVD) after the implantation of an Implantable Collamer Lens phakic intraocular lens (pIOL). The patient detected PVD, noticing metamorphopsia early after surgery; it was confirmed with optical coherence tomography 5 days postoperatively. She was examined by a retinal expert, and no retinal tears were found. However, 15 days postoperatively, the patient had a retinal tear; 38 days later, a retinal detachment (RD) occurred despite treatment with argon laser photocoagulation...
January 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29468216/central-retinal-artery-occlusion-during-vitrectomy-immediate-retinal-revascularization-following-induction-of-posterior-vitreous-detachment
#18
Abdallah A Ellabban, Ajay D Patil, Mark T Costen, Atiq R Babar
Purpose: To describe a patient with acute central retinal artery occlusion (CRAO) during vitrectomy surgery and the possible role of vitrectomy in acute CRAO management. Observations: An 84-year-old man presented with broad vitreomacular traction and epiretinal membrane in the right eye. Preoperative assessment clearly showed normal retinal vasculature. On starting vitrectomy, complete CRAO with marked segmentation of all retinal vessels was noted. Vitrectomy was performed in the usual manner and once the posterior hyaloid detached from the disc, immediate complete revascularization of the retinal vessels was noted...
March 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29460018/observation-of-neovascularization-of-the-disc-associated-with-proliferative-diabetic-retinopathy-using-oct-angiography
#19
Hideo Akiyama, Danjie Li, Yukitoshi Shimoda, Hidetaka Matsumoto, Shoji Kishi
PURPOSE: To describe the relationship between the vitreous and the neovascularization of the disc (NVD) using swept source optical coherence tomography (SS-OCT) and OCT angiography (OCTA). STUDY DESIGN: Retrospective. METHODS: We examined 17 eyes of 11 consecutive patients diagnosed as NVD associated with proliferative diabetic retinopathy (PDR). The location of the NVD feeder or collector vessels were examined by using RTVue XR Avanti. To determine the condition of the posterior vitreous detachment (PVD) and the proliferative tissue of the NVD, we performed 12 mm horizontal and vertical scans through the disc using SS-OCT...
May 2018: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29446816/atrophic-tear-retinal-detachment-clinical-characteristics-and-surgical-treatment-results-at-long-term
#20
Imen Ammous, Imène Zhioua Braham, Majdi Boukari, Ilhem Mili Boussen, Khalil Errais, Raja Zhioua
AIM: to analyse clinical and epidemiological characteristics of atrophic tear retinal detachment (ATRD) and evaluate anatomical and functional results. METHODS: Retrospective study of 48 cases underwent primary scleral buckling for ATRD. Mean follow up was 80,52 months. RESULTS: ATRD represented 7% of all reghmatogenous RD. Mean age of patients was 38 years and 7 months. Age was less than 40 years in 62,5% of patients. Male predominance was noted...
March 2017: La Tunisie Médicale
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