نتایج جستجو برای: scanning laser polarimetry

تعداد نتایج: 329938  

2003
Satoshi KOGURE Yoshiki TODA Hiroyuki IIJIMA Shigeo TSUKAHARA

Purpose: To investigate the glaucoma change detection in the parafoveal area using scanning laser polarimeter (SLP). Methods: Fourteen eyes with early glaucoma which have a point with 6 dB or more decrease in pattern deviation with the Humphrey Field Analyzer (HFA) 30–2 program within central 10 degrees visual field, and 14 normal control eyes were enrolled in this study. The average of the mea...

Journal: :Archivos de la Sociedad Espanola de Oftalmologia 2008
E Borque A Ferreras V Polo J M Larrosa L E Pablo F M Honrubia

PURPOSE To assess the diagnostic ability of scanning laser polarimetry (GDx VCC) to differentiate between normal and glaucomatous eyes. METHODS 417 eyes of 417 consecutive subjects were prospectively selected. They were classified into 60 healthy controls, 218 ocular hypertensive eyes, 68 glaucoma suspects, and 71 glaucomatous eyes, depending on intraocular pressure, optic nerve head morpholo...

Journal: :Archives of ophthalmology 2006
Helen V Danesh-Meyer Stuart C Carroll Judy Y F Ku John Hsiang Brent Gaskin Greg G Gamble Peter J Savino

OBJECTIVE To evaluate the relationship between retinal nerve fiber layer (RNFL) measurement with scanning laser polarimetry (SLP) and standard automated perimetry (SAP) in nonarteritic anterior ischemic optic neuropathy (NAION). METHODS In this prospective observational case series, all subjects (28 eyes with NAION) underwent SAP and SLP. The RNFL retardation measurements and visual field tes...

2013
Monika Modrzejewska Michał Post Marcin Milchert

The review presented ophthalmologic syndrome connected with visual organ function disorder in giant cell arteritis patient concomitant with optic nerve disc drusen. Diagnostic difficulties were shown in relation to incidence of both similar ophthalmic symptoms as well as interpretation of specialists examinations results (pattern visual evoked potential test, scanning laser polarimetry, and per...

Journal: :European journal of ophthalmology 2003
M C Mocan B Bozkurt M Irkeç M Orhan E Karabulut

PURPOSE To measure the retinal nerve fiber layer thickness in patients with pigment dispersion syndrome (PDS) using scanning laser polarimetry and to compare these measurements with those of normal subjects and patients with pigmentary glaucoma (PG). METHODS Age-, sex-, and refractive error-matched subjects--18 patients with PDS, 18 patients with PG, and 20 healthy subjects--were evaluated by...

2014
Alexandros Takis Dimitrios Alonistiotis Dimitrios Panagiotidis Nikolaos Ioannou Dimitris Papaconstantinou Panagiotis Theodossiadis

BACKGROUND The retinal nerve fiber layer (RNFL) thickness in patients with diabetes mellitus type 2 was compared to normal subjects of similar age and sex, having first excluded any risk factors for glaucoma. The correlation between the RNFL thickness and the severity of diabetic retinopathy was investigated at its primary stages and with other ocular and diabetic parameters. METHODS A prospe...

Journal: :Archives of ophthalmology 2008
Thê Anh Mai Hans G Lemij

OBJECTIVE To investigate the longitudinal corneal birefringence (corneal polarization axis [CPA] and corneal polarization magnitude [CPM]) variability in scanning laser polarimetry with variable corneal compensation and its effect on retinal nerve fiber layer measurements. Method We analyzed scanning laser polarimetry images obtained every 6 months for 3.2 years in 16 healthy eyes, 38 eyes with...

Journal: :Survey of ophthalmology 2008
Pooja Sharma Pamela A Sample Linda M Zangwill Joel S Schuman

Early diagnosis of glaucoma is critical to prevent permanent structural damage and irreversible vision loss. Detection of glaucoma typically relies on examination of structural damage to the optic nerve combined with measurements of visual function. To aid the clinician in evaluation of visual function and structure, computer-based devices such as confocal scanning laser ophthalmoscopy, scannin...

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