Peninsula of Perfusion: A Preserved Vasculature Amidst Surrounding Ischemia

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    • By Greeshma M G
      Chaithanya eye hospital and Research Institute, Trivandrum
      Co-author(s): Dr Unnikrishnan Nair R Dr Manoj S
    • Uploaded on Apr 22, 2026.
    • Last modified by Joshua Friedman on Apr 23, 2026.
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    Appears in
    Miscellaneous
    Condition/keywords
    branch retinal artery occlusion (BRAO), branch retinal vein occlusion (BRVO), combined vascular occlusion
    Photographer
    Ansif
    Imaging device
    Optical coherence tomography system
    Intalight Dream OCT
    Description
    Swept source OCTA of a 65 year-old male showing combined vascular occlusion with widespread capillary non-perfusion and neovascularization. The macula remains well perfused, forming a ‘peninsula of perfusion’.

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