Altitudinal visual field asymmetry is coupled with altered retinal circulation in patients with normal pressure glaucoma

AIM To compare the effect of altitudinal asymmetric glaucomatous damage on retinal microcirculation in patients with normal pressure glaucoma (NPG). METHODS In a prospective cross sectional study patients with NPG (washed out for antiglaucomatous therapy) and altitudinal asymmetric perimetric findin...

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Bibliographic Details
Published in:British journal of ophthalmology 2000-09, Vol.84 (9), p.1008-1012
Main Authors: Arend, Oliver, Remky, Andreas, Cantor, Louis B, Harris, Alon
Format: Article
Language:English
Subjects:
Asymmetry
Biological and medical sciences
Cross-Sectional Studies
Defects
Female
Glaucoma
Glaucoma - pathology
Glaucoma - physiopathology
Glaucoma and intraocular pressure
glaucomatous optic neuropathy
Humans
Male
Medical imaging
Medical sciences
Metabolism
Microcirculation - pathology
Middle Aged
Ophthalmology
Optic nerve
Original articles - Clinical science
Prospective Studies
retinal tissue
Retinal Vessels - physiopathology
Sensory Thresholds
Studies
Veins & arteries
Vision Disorders - etiology
Visual Acuity - physiology
visual field defects
Visual Fields - physiology
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Summary:AIM To compare the effect of altitudinal asymmetric glaucomatous damage on retinal microcirculation in patients with normal pressure glaucoma (NPG). METHODS In a prospective cross sectional study patients with NPG (washed out for antiglaucomatous therapy) and altitudinal asymmetric perimetric findings between the superior and inferior hemisphere (Humphrey 24–2) (n=18) were included and compared with 20 NPG patients with symmetrical field defects and 18 healthy subjects. Fluorescein angiograms were performed using a scanning laser ophthalmoscope. Using digital image analysis, arteriovenous passage time (AVP) and vessel diameters were assessed for comparison of corresponding affected and less affected temporal arcades. RESULTS Both affected and less affected hemispheres showed significantly prolonged AVP times (p
ISSN:0007-1161
1468-2079
DOI:10.1136/bjo.84.9.1008