نتایج جستجو برای: aberrant retinal vessels

تعداد نتایج: 168372  

Journal: :Investigative ophthalmology & visual science 2014
Jona Valgerdur Kristjansdottir Sveinn Hakon Hardarson Gisli Hreinn Halldorsson Robert A Karlsson Thorunn S Eliasdottir Einar Stefánsson

PURPOSE The purpose of the study was to assess if a scanning laser ophthalmoscope (SLO), Optomap 200Tx, could be used for measurements of hemoglobin oxygen saturation in retinal blood vessels. METHODS Optomap 200Tx uses two lasers for image acquisition, 532 and 633 nm. Retinal images of healthy individuals and patients with retinal vein occlusion were analyzed with modified Oxymap Analyzer so...

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2009
E. R. Muir Q. Shen T. Q. Duong

INTRODUCTION: The retina is nourished by two separate vasculatures: the retinal and choroidal vessels. The retinal vessels are localized within the inner retina next to the vitreous, and the choroidal vessels are behind the retinal pigment epithelium. The photoreceptors and segments between these two vascular layers are avascular (1). Oxygen tension in the photoreceptor layers is in fact near 0...

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Journal: :British Journal of Ophthalmology 1986

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