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Fluorescence Lifetime Imaging Ophthalmoscopy (FLIO): A Novel Retinal Metabolic Biomarker for Multiple Sclerosis

2025
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Poster Description

Introduction- Fluorescence lifetime imaging ophthalmoscopy (FLIO, Heidelberg Engineering, Figures 1 and 2), a novel in vivo retinal imaging biomarker, generates fluorescence decay lifetimes in 2 spectral channels corresponding to the following metabolic processes:- Short Spectral Channel (SSC): 498 – 560 nm Corresponds to macular pigment, flavin adenine dinucleotide (FAD) and oxidative phosphorylation. - Long Spectral Channel (LSC): 560 – 720nm Corresponds to predominantly lipofuscin and lysosomal function - Based upon animal experimental models and clinical data, mitochondrial dysfunction has a role in the pathophysiology of both inflammatory and degenerative components of Multiple Sclerosis

Bibliographic Details

Daniel Markowitz; Kylee Shivok; Elizabeth Affel, MS; Jose S. Pulido, MD, MS, MBA, MPH; Thomas P. Leist, MD, PhD; Gyorgy Hajnoczky, MD, PhD; Mahdi Alizadeh, PhD; Robert Sergott, MD

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