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Choroidal neovascular membrane

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https://www.readbyqxmd.com/read/30325876/10-year-follow-up-of-a-subclinical-choroidal-neovascular-membrane-in-a-patient-with-age-related-macular-degeneration
#1
Katherine G Chen, Panos G Christakis, Emily Y Chew
PURPOSE: To provide long-term, natural history data of a case of a subclinical choroidal neovascular membrane (CNVM) in the setting of age-related macular degeneration. METHODS: Retrospective review of the 10-year clinical course of a patient including multimodal imaging. RESULTS: A 75-year-old white female with macular degeneration presented with visual acuity of 20/25 in the right eye and 20/40 in the left eye. In the left eye, a retinal pigment epithelial detachment with associated subretinal and intraretinal fluid was found on spectral domain optical coherence tomography...
October 15, 2018: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/30315265/prevalence-of-peripapillary-choroidal-neovascular-membranes-ppcnv-in-an-elderly-uk-population-the-bridlington-eye-assessment-project-beap-a-cross-sectional-study-2002-2006
#2
Craig Wilde, Ali Poostchi, Rajnikant L Mehta, Jonathan G Hillman, Hamish K MacNab, Marco Messina, Gaspare Monaco, Stephen A Vernon, Winfried M Amoaku
PURPOSE: There is paucity of data on the epidemiology of peripapillary choroidal neovascularisartion (PPCNV). Our aim was to determine prevalence of PPCNV in the elderly UK population of Bridlington residents aged ≥65 years. METHODS: Eyes with PPCNV in the Bridlington eye assessment project (BEAP) database of 3475 participants were analysed. PPCNV outline was drawn, its area measured, and clock-hour involvement of disc circumference recorded. Location and shortest distance from the lesion edge to fovea were recorded...
October 12, 2018: Eye
https://www.readbyqxmd.com/read/30315261/asian-age-related-macular-degeneration-from-basic-science-research-perspective
#3
REVIEW
Yasuo Yanagi, Valencia Hui Xian Foo, Akitoshi Yoshida
In Asian populations, polypoidal choroidal vasculopathy (PCV), a distinct phenotype of neovascular age-related macular degeneration (AMD), is more prevalent than Caucasians. Recently, there has been significant focus on how PCV differs from typical AMD. Although typical AMD and PCV share a variety of mechanisms by which abnormal angiogenic process occurs at the retinochoroidal interface, PCV has different clinical characteristics such as aneurysm-like dilation at the terminal of choroidal neovascular membranes, less frequent drusen and inner choroidal degeneration due to the thickened choroid...
October 12, 2018: Eye
https://www.readbyqxmd.com/read/30288950/imbalances-in-tissue-inhibitors-of-metalloproteinases-differentiate-choroidal-neovascularization-from-geographic-atrophy
#4
Marie Krogh Nielsen, Yousif Subhi, Christopher Rue Molbech, Line Lynge Nilsson, Mogens Holst Nissen, Torben Lykke Sørensen
PURPOSE: Tissue inhibitor of metalloproteinase (TIMP) is known to play a role in age-related macular degeneration (AMD). We wished to investigate alterations in different late stages of AMD: neovascular AMD and geographic atrophy (GA). METHODS: This was a prospective case-control study. A total of 125 participants were included consecutively during a period of 18 months. We included 46 patients with neovascular AMD, 46 patients with GA without any sign of choroidal neovascularization in either eye, and 33 healthy aged controls...
October 4, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/30284413/morphological-changes-in-the-diseased-retina-on-a-healthy-choroid-retinal-pigment-epithelial-complex-after-full-macular-translocation-for-exudative-age-related-macular-degeneration
#5
Saskia Helena Margaretha van Romunde, Antonio Polito, Antonio Peroglio Deiro, Laura Bertazzi, Massimo Guerriero, Grazia Pertile
PURPOSE: To describe the change in the retinal morphology after full macular translocation (FMT) for exudative age-related macular degeneration (AMD) and identify predictive factors for the visual outcome. METHODS: All patients who underwent FMT from December 2008 through July 2013 were selected. Exclusion criteria were FMT for other disease than AMD, age <60 years, <12 months of follow-up or no available images. Spectral domain optical coherence tomography, fundus autofluorescence, fluorangiography and indocyanine green angiography were evaluated...
October 3, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/30268699/detection-of-microvascular-retinal-changes-in-type-i-diabetic-mice-with-optical-coherence-tomography-angiography
#6
Hironori Uehara, Timilai Lesuma, Parker Stocking, Nathan Jensen, Sangeetha Ravi Kumar, Mingyang Aaron Zhang, Susie Choi, Xiaohui Zhang, Bonnie Archer, Lara Carroll, Balamurali K Ambati
Optical coherence tomography (OCT) angiography is a dye-free and non-invasive angiography which allows visualization of retinal and choroid vascular flow, enabling observation of highly permeable and three dimensional vasculature. Although OCT angiography is providing new insights in human retinal and choroidal diseases, a few studies have been reported in experimental mice. In this study, to determine the potential of OCT angiography in experimental mice, we sought to examine whether OCT angiography can detect vascular change in type I diabetic mice...
September 27, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/30260918/angioid-streaks-a-comprehensive-review-from-pathophysiology-to-treatment
#7
Irini Chatziralli, George Saitakis, Eleni Dimitriou, Alexandros Chatzirallis, Sofia Stoungioti, George Theodossiadis, Panagiotis Theodossiadis
PURPOSE: To stratify the literature on angioid streaks, from pathophysiology to treatment. METHODS: Review of the current literature. RESULTS: Angioid streaks are crack-like dehiscences of Bruch membrane, which may coexist with systemic diseases, such as pseudoxanthoma elasticum, Paget disease, Ehlers-Danlos syndrome, hemoglobinopathies, or other diseases of the collagen. Various diagnostic methods, including infrared and red-free retinography, autofluorescence, optical coherence tomography, fluorescein angiography, and indocyanine green angiography, are useful to diagnose, evaluate, and monitor angioid streaks...
September 26, 2018: Retina
https://www.readbyqxmd.com/read/30255792/a-long-history-of-dense-deposit-disease
#8
Alan Cunningham, Ajay Kotagiri
BACKGROUND: Dense Deposit Disease is a rare condition affecting the Bruch's membrane and the glomerular basement membrane. We report the progression of the ocular manifestations over a 30 year follow up period, longer than any previous report. CASE PRESENTATION: A 44 year old male presented with pigmentary changes at the macula noted by his optician. Best corrected visual acuity at presentation was good in both eyes. Fundoscopy showed pigmentary changes and drusen, and investigation using intravenous fundus fluorescein angiography did not demonstrate any choroidal neovascular membrane...
September 14, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/30253443/visual-rehabilitation-using-microperimetric-acoustic-biofeedback-training-in-individuals-with-central-scotoma
#9
Dhanashree Ratra, Sarika Gopalakrishnan, Daleena Dalan, Vineet Ratra, Deepali Damkondwar, Gella Laxmi
BACKGROUND: Patients with central scotoma have poor fixation stability and poor visual acuity. Acoustic biofeedback training can be an effective way to train such patients to eccentrically fixate. This study analyses the mean retinal sensitivity, saccadic velocity, and fixation stability after acoustic biofeedback training and shows correlation with age and scotoma size. METHODS: Patients with irreversible central scotoma in both the eyes secondary to macular diseases were selected...
September 25, 2018: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/30249848/anatomical-and-functional-outcomes-of-pars-plana-vitrectomy-for-inflammatory-epiretinal-membrane-surgery-in-healed-toxoplasmosis-infection
#10
Vishal Raval, Srinivas Rao, Taraprasad Das
Epiretinal membrane over macula secondary to toxoplasmosis compromises vision. We describe the outcome of pars plana vitrectomy and epiretinal membrane removal after adequate treatment of acute infection. The average age of all four male patients was 36 years (range 20-60 years). Following surgery there was an average three or more lines visual acuity improvement, restoration of foveal contour with reduction in central macular thickness. One patient developed choroidal neovascular membrane postsurgery and was effectively treated with intravitreal bevacizumab...
October 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/30245845/human-embryonic-stem-cell-derived-retinal-pigment-epithelium-transplants-as-a-potential-treatment-for-wet-age-related-macular-degeneration
#11
Yong Liu, Hai Wei Xu, Lei Wang, Shi Ying Li, Cong Jian Zhao, Jie Hao, Qi You Li, Tong Tao Zhao, Wei Wu, Yi Wang, Qi Zhou, Cheng Qian, Liu Wang, Zheng Qin Yin
Stem cell therapy may provide a safe and promising treatment for retinal diseases. Wet age-related macular degeneration (wet-AMD) is a leading cause of blindness in China. We developed a clinical-grade human embryonic stem cell (hESC) line, Q-CTS-hESC-2, under xeno-free conditions that differentiated into retinal pigment epithelial cells (Q-CTS-hESC-2-RPE). A clinical trial with three wet-AMD patients was initiated in order to study the safety and tolerance to Q-CTS-hESC-2-RPE cell transplants. The choroidal neovascularization membrane was removed and then a suspension of 1 × 106 Q-CTS-hESC-2-RPE cells were injected into a subfoveal pocket...
2018: Cell Discovery
https://www.readbyqxmd.com/read/30238069/quantitative-evaluation-of-choroidal-neovascularization-under-pro-re-nata-anti-vascular-endothelial-growth-factor-therapy-with-oct-angiography
#12
Scott M McClintic, Simon Gao, Jie Wang, Ahmed Hagag, Andreas K Lauer, Christina J Flaxel, Kavita Bhavsar, Thomas S Hwang, David Huang, Yali Jia, Steven T Bailey
Purpose: To use optical coherence tomography angiography (OCTA) derived quantitative metrics to assess the response of choroidal neovascularization to pro-re-nata (PRN) anti-endothelial growth factor (anti-VEGF) treatment in neovascular age-related macular degeneration (AMD). Design: Prospective longitudinal cohort study. Participants: Fourteen eyes from 14 study participants with treatment-naïve neovascular AMD were enrolled. Methods: Subjects were evaluated monthly and treated with intravitreal anti-VEGF agents under a PRN protocol for one year...
September 2018: Ophthalmology Retina
https://www.readbyqxmd.com/read/30222824/peripheral-persistent-fetal-vasculature-a-report-of-three-cases
#13
Vaidehi S Dedania, Cem Ozgonul, Cagri G Besirli
The authors report three cases of persistent fetal vasculature (PFV) presenting with an atypical peripheral fibrovascular stalk. A 5-month-old with congenital exotropia with a vitreous hemorrhage in the right eye underwent vitrectomy, and a mid-peripheral vitreal vascular stalk was visualized within the area of hemorrhage. The second case is of an 8-year-old with two fetal vascular remnants in the right eye: (1) a stalk superotemporally extending from the pars plana to the mid-peripheral retina that was associated with a retinal break and (2) a focal lens opacity...
September 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/30222821/stereological-method-in-optical-coherence-tomography-for-in-vivo-evaluation-of-laser-induced-choroidal-neovascularization
#14
Gloria Paulina Trujillo-Sanchez, Juan Carlos Martinez-Camarillo, Christine K Spee, David R Hinton, Mark S Humayun, Andrew C Weitz
BACKGROUND AND OBJECTIVE: To evaluate a stereological method in optical coherence tomography (OCT) as an in vivo volume measurement of laser-induced choroidal neovascularization (L-CNV) lesion size. PATIENTS AND METHODS: Laser photocoagulation was applied in rats to rupture Bruch's membrane and induce L-CNV. In vivo OCT images of neovascular lesions were acquired with a spectral-domain OCT system at days 0, 3, 7, 10, and 14 after laser surgery. A stereological image-processing method was used to calculate lesion volumes from the OCT images...
September 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/30209691/an-update-on-inflammatory-choroidal-neovascularization-epidemiology-multimodal-imaging-and-management
#15
REVIEW
Aniruddha Agarwal, Alessandro Invernizzi, Rohan Bir Singh, William Foulsham, Kanika Aggarwal, Sabia Handa, Rupesh Agrawal, Carlos Pavesio, Vishali Gupta
Inflammatory choroidal neovascular membranes are challenging to diagnose and manage. A number of uveitic entities may be complicated by the development of choroidal neovascularization leading to a decrease in central visual acuity. In conditions such as punctate inner choroidopathy, development of choroidal neovascularization is extremely common and must be suspected in all cases. On the other hand, in patients with conditions such as serpiginous choroiditis, and multifocal choroiditis, it may be difficult to differentiate between inflammatory choroiditis lesions and choroidal neovascularization...
September 12, 2018: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/30186627/fluorescein-leakage-within-recent-subretinal-hemorrhage-in-pathologic-myopia-suggestive-of-cnv
#16
Lan Mi, Chengguo Zuo, Xiongze Zhang, Bing Liu, Yuting Peng, Feng Wen
Purpose: To determine whether fluorescein leakage within subretinal hemorrhage is definitely suggestive of choroidal neovascularization (CNV) by multimodal imaging including optical coherence tomography angiography (OCTA). Methods: Twenty-five consecutive highly myopic patients (25 eyes) with fluorescein leakage within subretinal hemorrhage detected within 1 month were prospectively included. All patients underwent OCTA and spectral-domain optical coherence tomography (SD-OCT)...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/30166510/-changes-in-intraocular-pressure-after-intravitreal-injections
#17
I A Bubnova, A G Kurguzova
At present, intravitreal drug injections are used for treatment of various diseases of posterior segment of the eye. Among its side effects is significant rise of intraocular pressure (IOP). PURPOSE: To study the changes in IOP levels after two intravitreal injections. MATERIAL AND METHODS: The study was performed on a random selection of 335 patients (335 eyes) diagnosed with choroidal neovascular membrane (CNVM). All the patients received intravitreal injections of ranibizumab according to medical indications...
2018: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/30144414/anti-angiogenic-effect-of-adiponectin-in-human-primary-microvascular-and-macrovascular-endothelial-cells
#18
Karthikka Palanisamy, Ragavachetty Nagaraj Nareshkumar, Suganya Sivagurunathan, Rajiv Raman, Konerirajapuram Natarajan Sulochana, Subbulakshmi Chidambaram
Neovascularization in retina and choroid involves interplay of many cytokines and growth factors. Vascular endothelial growth factor (VEGF) being a pro-angiogenic molecule has been found to be high in aqueous and vitreous humour of patients with proliferative diabetic retinopathy (PDR). VEGF is also found in the fibroblast and retinal pigment epithelial cells (RPE) of choroidal neovascular (CNV) membranes isolated from patients. Though anti-VEGF agents cause regression of clinically visible new vessels, there is evidence that they increase the occurrence of retinal tractional detachment and other adverse effects in PDR and CNV treatments...
August 23, 2018: Microvascular Research
https://www.readbyqxmd.com/read/30129971/sorsby-fundus-dystrophy-insights-from-the-past-and-looking-to-the-future
#19
Bela Anand-Apte, Jennifer R Chao, Ruchira Singh, Heidi Stöhr
Sorsby fundus dystrophy (SFD), an autosomal dominant, fully penetrant, degenerative disease of the macula, is manifested by symptoms of night blindness or sudden loss of visual acuity, usually in the third to fourth decades of life due to choroidal neovascularization (CNV). SFD is caused by specific mutations in the Tissue Inhibitor of Metalloproteinase-3, (TIMP3) gene. The predominant histo-pathological feature in the eyes of patients with SFD are confluent 20-30 m thick, amorphous deposits found between the basement membrane of the retinal pigment epithelium (RPE) and the inner collagenous layer of Bruch's membrane...
August 21, 2018: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/30128371/pathologic-study-of-early-manifestations-of-polypoidal-choroidal-vasculopathy-and-pathogenesis-of-choroidal-neo-vascularization
#20
Mark O M Tso, Maria J Suarez, Charles G Eberhart
Purpose: To describe the histopathologic features of an early case of presumably bilateral polypoidal choroidal vasculopathy (PCV) in two eyes obtained at autopsy from a patient with no prior ocular therapy. Observations: The choroid of both eyes at the macular and peripapillary regions was greatly thickened with dilated, thin walled choroidal venules intertwining with arteriosclerotic arterioles in the Sattler's layer of the choroidal vasculature. At the temporal and nasal equatorial regions of both eyes many of these congested venular channels abruptly disappeared and were replaced by loose connective tissue with loss of the normal choroidal stromal tissue and uveal melanocytes...
September 2018: American Journal of Ophthalmology Case Reports
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