Age-related macular degeneration: choroidal ischaemia?
نویسندگان
چکیده
منابع مشابه
Age-related macular degeneration: choroidal ischaemia?
AIM Our aim is to use ultrasound to non-invasively detect differences in choroidal microarchitecture possibly related to ischaemia among normal eyes and those with wet and dry age-related macular degeneration (AMD). DESIGN Prospective case series of subjects with dry AMD, wet AMD and age-matched controls. METHODS Digitised 20 MHz B-scan radiofrequency ultrasound data of the region of the ma...
متن کاملMeasurement of Choroidal Neovascular Area in Age-Related Macular Degeneration using Modified Otsu’s Thresholding Method
Introduction: Age-related Macular Degeneration (AMD) is one of the most important causes of irreversible blindness in the developed world and prevents the affected person from performing simple tasks such as reading, driving and facial recognition. In the AMD, new blood vessels grow underneath the retina in a process called choroidal neovascularisation (CNV). There ...
متن کاملTranspupilary thermotherapy of occult subfoveal choroidal neovascularization secondary to age related macular degeneration
Abstract Background: Transpupillary thermotherapy is a new treatment for subfoveal choroidal neovascularization which needs further evaluation. This study was aimed to evaluate the efficacy of transpupillary thermotherapy on regression of occult subfoveal choroidal neovascularization with or without pigment epithelial detachment in patients with age-related macular degeneration. Methods: In a ...
متن کاملChoroidal neovascularization and age-related macular degeneration.
and dysfunctional RPE are thought to be pivotal.66 CSR is a common maculopathy that can adversely affect central visual function and is 6-fold more common in males than females.67 Affected patients are typically between 30 and 50 years of age. Many putative risk factors exist for the development of CSR, the most conclusive being any form of exogenous corticosteroid use. Other risk factors inclu...
متن کاملPolypoidal choroidal vasculopathy and neovascularized age-related macular degeneration.
OBJECTIVE To determine the nature and frequency of polypoidal choroidal vasculopathy (PCV) in a series of patients suspected of having neovascularized age-related macular degeneration (AMD). METHODS A prospective analysis of 167 consecutive, newly diagnosed patients aged 55 years or older with presumed neovascularized AMD was performed. All patients were examined with fundus biomicroscopy as ...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 2013
ISSN: 0007-1161,1468-2079
DOI: 10.1136/bjophthalmol-2013-303143