Doppler holography reveals blood volume rate and resistivity changes in retinal arteries pre- and post-treatment for glaucoma, retinal vein occlusion, and idiopathic intracranial hypertension

Olivier R. Martinache; Yohan Blazy; Zofia Bratasz; Jeanne Malécot; Simon Queric; Yohan Penaranda; Baptiste Fontaine; Ethan A. Rossi; Jay Chhablani; José-Alain Sahel; Sophie Bonnin; Vivien Vasseur; Rabih Hage; Catherine Vignal; Ramin Tadayoni; Céline Jamart; Badiâa El Karmy; Régis Lecoge; Tristan Aubert; Antoine Labbé; Christophe Baudouin; Michel Paques; Michael Atlan

doi:10.1117/12.3002562

13 March 2024 Doppler holography reveals blood volume rate and resistivity changes in retinal arteries pre- and post-treatment for glaucoma, retinal vein occlusion, and idiopathic intracranial hypertension

Olivier R. Martinache, Yohan Blazy, Zofia Bratasz, Jeanne Malécot, Simon Queric, Yohan Penaranda, Baptiste Fontaine, Ethan A. Rossi, Jay Chhablani, José-Alain Sahel, Sophie Bonnin, Vivien Vasseur, Rabih Hage, Catherine Vignal, Ramin Tadayoni, Céline Jamart, Badiâa El Karmy, Régis Lecoge, Tristan Aubert, Antoine Labbé, Christophe Baudouin, Michel Paques, Michael Atlan

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Proceedings Volume PC12824, Ophthalmic Technologies XXXIV; PC1282402 (2024) https://doi.org/10.1117/12.3002562
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

Doppler holography uses high-speed imaging with near-infrared laser light to reveal blood flow contrasts in the eye fundus. We estimate the velocity of blood flow, blood volume rate and resistivity changes in in-plane retinal arteries by segmenting retinal vessels and calculating the local difference in root-mean-square Doppler frequency broadening compared to the background. Our approach allows for the estimation of hemodynamics in in-plane retinal arteries throughout the cardiac cycle, offering significant potential in the diagnosis and monitoring of ocular vascular conditions.

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Olivier R. Martinache, Yohan Blazy, Zofia Bratasz, Jeanne Malécot, Simon Queric, Yohan Penaranda, Baptiste Fontaine, Ethan A. Rossi, Jay Chhablani, José-Alain Sahel, Sophie Bonnin, Vivien Vasseur, Rabih Hage, Catherine Vignal, Ramin Tadayoni, Céline Jamart, Badiâa El Karmy, Régis Lecoge, Tristan Aubert, Antoine Labbé, Christophe Baudouin, Michel Paques, and Michael Atlan "Doppler holography reveals blood volume rate and resistivity changes in retinal arteries pre- and post-treatment for glaucoma, retinal vein occlusion, and idiopathic intracranial hypertension", Proc. SPIE PC12824, Ophthalmic Technologies XXXIV, PC1282402 (13 March 2024); https://doi.org/10.1117/12.3002562

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KEYWORDS

Doppler effect

Blood

Glaucoma

Arteries

Holography

Veins

Blood circulation

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