Assessment of retinal blood flow using Laser Speckle Flowgraphy

Assessment of retinal blood flow using Laser Speckle Flowgraphy

Summary Laser speckle flowgraphy (LSFG) is a promising technique for the two‐dimensional, non‐invasive assessment of ocular blood flow. We set out to investigate the use of this technique in healthy Caucasians. First, we evaluated the validity of retinal perfusion measurements by direct comparison w...

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Veröffentlicht in:Acta ophthalmologica (Oxford, England) England), 2017-09, Vol.95 (S259), p.n/a
Hauptverfasser: Schmidl, D., Witkowska, K., Luft, N., Bolz, M., Fondi, K., Bata, A., Wozniak, P., Werkmeister, R., Garhofer, G., Schmetterer, L.
Format: Artikel
Sprache:eng
Schlagworte:
Age
Arteries
Blood flow
Diabetes mellitus
Diabetic retinopathy
Glaucoma
Isometric
Macular degeneration
Optical Coherence Tomography
Perfusion
Retina
Retinopathy
Veins
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Zusammenfassung:Summary Laser speckle flowgraphy (LSFG) is a promising technique for the two‐dimensional, non‐invasive assessment of ocular blood flow. We set out to investigate the use of this technique in healthy Caucasians. First, we evaluated the validity of retinal perfusion measurements by direct comparison with dual‐beam Doppler optical coherence tomography (D‐OCT). Relative flow volume (RFV), the main output parameter of LSFG, was in significant agreement with absolute blood flow measurements as obtained from D‐OCT in arteries (r = 0.69, P = 0.001) and veins (r = 0.74, P 
ISSN:1755-375X
1755-3768
DOI:10.1111/j.1755-3768.2017.01145