Journal
ASIA-PACIFIC JOURNAL OF OPHTHALMOLOGY
Volume 7, Issue 1, Pages 22-27Publisher
ASIA-PACIFIC ACAD OPHTHALMOLOGY-APAO
DOI: 10.22608/APO.2017504
Keywords
diabetic macular edema; diabetic retinopathy; fluorescein angiography; OCT angiography; OCT; ultra-widefield fluorescein angiography; adaptive optics; fluorescence lifetime imaging ophthalmoscopy; macular pigment optical density; fundus autofluorescence; confocal scanning laser ophthalmoscope; fundus imaging
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Funding
- Bayer
- Novartis
- Quantel
- Heidelberg Engineering
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Throughout ophthalmic history it has been shown that progress has gone hand in hand with technological breakthroughs. In the past, fluorescein angiography and fundus photographs were the most commonly used imaging modalities in the management of diabetic macular edema (DME). Today, despite the moderate correlation between macular thickness and functional outcomes, spectral domain optical coherence tomography (SD-OCT) has become the DME workhorse in clinical practice. Several SD-OCT biomarkers have been looked at including presence of epiretinal membrane, vitreomacular adhesion, disorganization of the inner retinal layers, central macular thickness, integrity of the ellipsoid layer, and subretinal fluid, among others. Emerging imaging modalities include fundus autofluorescence, macular pigment optical density, fluorescence lifetime imaging ophthalmoscopy, OCT angiography, and adaptive optics. Technological advances in imaging of the posterior segment of the eye have enabled ophthalmologists to develop hypotheses about pathological mechanisms of disease, monitor disease progression, and assess response to treatment. Spectral domain OCT is the most commonly performed imaging modality in the management of DME. However, reliable biomarkers have yet to be identified. Machine learning may provide treatment algorithms based on multimodal imaging.
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