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Diabetic macular edema (DME), defined as retinal thickening near, or involving the fovea caused by fluid accumulation in the retina, can lead to vision impairment and blindness in patients with diabetes. Current knowledge of retina anatomy and function and DME pathophysiology has taken great advantage of the availability of several techniques for visualizing the retina. Combining these techniques in a multimodal imaging approach to DME is recommended to improve diagnosis and to guide treatment decisions. We review the recent literature about the following retinal imaging technologies: optical coherence tomography (OCT), OCT angiography (OCTA), wide-field and ultrawide-field techniques applied to fundus photography, fluorescein angiography, and OCTA. The emphasis will be on characteristic DME features identified by these imaging technologies and their potential or established role as diagnostic, prognostic, or predictive biomarkers. The role of artificial intelligence in the assessment and interpretation of retina images is also discussed. Copyright © 2024 Elsevier Inc. All rights reserved.

Citation

Mariacristina Parravano, Gilda Cennamo, Luca Di Antonio, Maria Oliva Grassi, Marco Lupidi, Marco Rispoli, Maria Cristina Savastano, Daniele Veritti, Stela Vujosevic. Multimodal imaging in diabetic retinopathy and macular edema: An update about biomarkers. Survey of ophthalmology. 2024 Nov-Dec;69(6):893-904

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PMID: 38942124

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