نتایج جستجو برای: neovascular

تعداد نتایج: 3621  

Journal: :Investigative ophthalmology & visual science 2014
Mads Krüger Falk Amardeep Singh Carsten Faber Mogens Holst Nissen Thomas Hviid Torben Lykke Sørensen

PURPOSE The chemokine receptor CXCR3 has been strongly related to inhibition of angiogenesis. The purpose of this study was to investigate the association between expression of CXCR3 on peripheral blood leukocytes and age-related wet macular degeneration. Furthermore, we measured the plasma concentration of chemokines CXCL9 to -11. METHODS The study group consisted of patients with age-relate...

Journal: :Investigative ophthalmology & visual science 2013
Diego G Espinosa-Heidmann Goldis Malek Priyatham S Mettu Alejandro Caicedo Peter Saloupis Sarah Gach Askia K Dunnon Peng Hu Maria-Grazia Spiga Scott W Cousins

PURPOSE Neovascular remodeling (NVR), the progression of small capillaries into large-caliber arterioles with perivascular fibrosis, represents a major therapeutic challenge in neovascular age-related macular degeneration (AMD). Neovascular remodeling occurs after laser-induced choroidal neovascularization (CNV) in aged but not young mice. Additionally, bone marrow-derived cells, including macr...

Journal: :Ophthalmology 2016
Luiz Roisman Qinqin Zhang Ruikang K Wang Giovanni Gregori Anqi Zhang Chieh-Li Chen Mary K Durbin Lin An Paul F Stetson Gillian Robbins Andrew Miller Fang Zheng Philip J Rosenfeld

PURPOSE To determine whether angiography with swept-source (SS) optical coherence tomography (OCT) identifies subclinical type 1 neovascularization in asymptomatic eyes with intermediate age-related macular degeneration (iAMD). DESIGN Prospective, observational, consecutive case series. PARTICIPANTS Patients with asymptomatic iAMD in one eye and neovascular age-related macular degeneration ...

Journal: :The British journal of ophthalmology 2001
U E Schnurrbusch K Welt L C Horn P Wiedemann S Wolf

AIM To investigate effects of photodynamic therapy (PDT) on human choroidal neovascularisation (CNV). METHODS Two patients with recurrences after PDT with verteporfin underwent surgical extraction of the CNV. Immediately after surgical excision the subfoveal neovascular membranes were divided for light microscopic and for electron microscopic processing. For light microscopy tissues were embe...

Journal: :Journal of visualized experiments : JoVE 2015
Ronil S Shah Brian T Soetikno Michelle Lajko Amani A Fawzi

The mouse laser-induced choroidal neovascularization (CNV) model has been a crucial mainstay model for neovascular age-related macular degeneration (AMD) research. By administering targeted laser injury to the RPE and Bruch's membrane, the procedure induces angiogenesis, modeling the hallmark pathology observed in neovascular AMD. First developed in non-human primates, the laser-induced CNV mod...

Journal: :The British journal of ophthalmology 2009
F Topouzis E Anastasopoulos C Augood G C Bentham U Chakravarthy P T V M de Jong M Rahu J Seland G Soubrane L Tomazzoli J R Vingerling J Vioque I S Young A E Fletcher

OBJECTIVE To examine the association between self-reported diabetes history and early or late age-related macular degeneration (AMD) in the European population. METHODS Participants aged 65 years and over in the cross-sectional population-based EUREYE study underwent an eye examination including digital retinal photography. The images were graded at a single centre. A structured questionnaire...

Journal: :Progress in Retinal and Eye Research 2013
Peter Charbel Issa Mark C. Gillies Emily Y. Chew Alan C. Bird Tjebo F.C. Heeren Tunde Peto Frank G. Holz Hendrik P.N. Scholl

Macular telangiectasia type 2 is a bilateral disease of unknown cause with characteristic alterations of the macular capillary network and neurosensory atrophy. Its prevalence may be underestimated and has recently been shown to be as high as 0.1% in persons 40 years and older. Biomicroscopy may show reduced retinal transparency, crystalline deposits, mildly ectatic capillaries, blunted venules...

Journal: :Retina 2010
Luiz H Lima K Bailey Freund James M Klancnik Richard F Spaide

PURPOSE The purpose of this study was to describe intraretinal crystalline deposits detected in eyes with neovascular age-related macular degeneration. METHODS A retrospective review of patients seen during a 6-month period with the diagnosis of neovascular age-related macular degeneration was performed to identify patients with intraretinal crystalline deposits, defined as pinpoint refractil...

Journal: :Investigative ophthalmology & visual science 2010
Noriyuki Unoki Tomoaki Murakami Ken Ogino Masayuki Nukada Nagahisa Yoshimura

PURPOSE To elucidate the effects of anecortave desacetate (AD) treatment on the kinetics of neovascular sprouting and its molecular mechanisms in retinal explants and during retinal vascular development in mice. METHODS The antiangiogenic effects of AD on retinal angiogenesis were evaluated using two different models: a retinal explant model treated with vascular endothelial growth factor (VE...

Journal: :Investigative ophthalmology & visual science 2006
Ling-Ing Lau Shih-Jen Chen Ching-Yu Cheng May-Yung Yen Fenq-Lih Lee Ming-Wei Lin Wen-Ming Hsu Yau-Huei Wei

PURPOSE Age-related macular degeneration (AMD), with its complex traits and multiple risk factors, is the leading cause of blindness in the elderly. A strong association between a coding variant, Y402H, in the complement factor H gene (CFH) and AMD has been recently identified in white patients. This study was conducted to investigate the association between the Y402H polymorphism in CFH and ne...

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