An enhancement module to improve the atypical birefringence pattern using scanning laser polarimetry with variable corneal compensation
نویسندگان
چکیده
منابع مشابه
Quantitative assessment of atypical birefringence images using scanning laser polarimetry with variable corneal compensation.
PURPOSE To define the clinical characteristics of atypical birefringence images and to describe a quantitative method for their identification. DESIGN Prospective, comparative, clinical observational study. METHODS Normal and glaucomatous eyes underwent complete examination, standard automated perimetry, scanning laser polarimetry with variable corneal compensation (GDx-VCC), and optical co...
متن کاملThe effect of atypical birefringence patterns on glaucoma detection using scanning laser polarimetry with variable corneal compensation.
PURPOSE The purpose of this study was to investigate the effect of the presence of atypical birefringence patterns, as measured by the typical scan score (TSS), on the diagnostic accuracy of a scanning laser polarimeter (the GDx VCC; Carl Zeiss Meditec, Inc., Dublin, CA) assessed by receiver operating characteristic (ROC) curves for discriminating between glaucoma and healthy eyes. METHODS Tw...
متن کاملRelationship between Scanning Laser Polarimetry with Enhanced Corneal Compensation and with Variable Corneal Compensation
PURPOSE To evaluate the structure-function relationships between retinal sensitivity measured by Humphrey visual field analyzer (HVFA) and the retinal nerve fiber layer (RNFL) thickness measured by scanning laser polarimetry (SLP) with variable corneal compensation (VCC) and enhanced corneal compensation (ECC) in glaucomatous and healthy eyes. METHODS Fifty-three eyes with an atypical birefri...
متن کاملEnhanced corneal compensation for scanning laser polarimetry on eyes with atypical polarisation pattern.
AIM To investigate the potential advantage of an enhanced corneal compensation algorithm (ECC) compared with variable corneal compensation (VCC) in the analysis of scanning laser polarimetric (SLP) images with atypical retardation pattern (ARP). METHODS SLP-VCC images with ARP (typical scan score (TSS) <80) of one eye of each of 27 glaucoma patients and 19 healthy subjects were compared with ...
متن کاملScanning laser polarimetry with variable corneal compensation: identification and correction for corneal birefringence in eyes with macular disease.
PURPOSE In scanning laser polarimetry with variable corneal compensation (SLP-VCC), the macula is used as an intraocular polarimeter to calculate and neutralize corneal birefringence based on an intact Henle's layer. The purpose of this investigation was to validate this strategy in eyes with macular structural disease. METHODS A nerve fiber analyzer was modified to enable the measurement of ...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 2006
ISSN: 0007-1161
DOI: 10.1136/bjo.2005.086447