What is the role of optical coherence tomography (OCT) in the workup of diabetic retinopathy?

Updated: Sep 02, 2021
  • Author: Abdhish R Bhavsar, MD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Optical coherence tomography (OCT) uses light to generate a cross-sectional image of the retina. This is used to determine the thickness of the retina and the presence of swelling within the retina as well as vitreomacular traction. This test is particularly used for the diagnosis and management of diabetic macular edema or clinically significant macular edema.

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