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Differences in the multicolour imaging features between the superficial and deep vascular occlusions.

Ramesh Venkatesh1, Sajjan Sangai2, Arpitha Pereira2

  • 1Department of Retina and Vitreous, Narayana Nethralaya, #121/C, Chord Road, 1st R block Rajaji Nagar, Bangalore, 560080, India. vramesh80@yahoo.com.

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Summary
This summary is machine-generated.

Multicolour imaging (MI) effectively visualizes retinal vascular occlusions by showing distinct patterns for different conditions, aiding in diagnosis and understanding the level of vascular involvement.

Keywords:
Acute macular neuroretinopathyCentral retinal artery occlusionMulticolour imagingParacentral acute middle maculopathyRetinal vascular occlusions

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Area of Science:

  • Ophthalmology
  • Retinal Imaging
  • Vascular Diseases

Background:

  • Retinal vascular occlusive events require accurate diagnostic methods.
  • Understanding the specific imaging characteristics of different occlusions is crucial for patient management.

Purpose of the Study:

  • To characterize the findings of multicolour imaging (MI) in various superficial and deep retinal vascular plexus occlusions.
  • To correlate MI findings with specific retinal vascular pathologies.

Main Methods:

  • Retrospective observational study of 40 patients (41 eyes).
  • Analysis of colour fundus photography, optical coherence tomography, and multicolour imaging (MI).
  • Inclusion criteria: central retinal artery occlusion, branch retinal artery occlusion, cotton-wool spots, paracentral acute middle maculopathy, and acute macular neuroretinopathy.

Main Results:

  • MI revealed distinct patterns: white areas with orange foveal center in central retinal artery occlusion.
  • Branch retinal artery occlusion showed quadrant-specific white areas without an orange foveal center.
  • Cotton-wool spots appeared as white lesions; paracentral acute middle maculopathy showed parafoveal white areas with an orange foveal center; acute macular neuroretinopathy presented as parafoveal greyish-white areas.

Conclusions:

  • Multicolour imaging (MI) provides valuable en-face visualization of retinal vascular occlusions.
  • MI findings help determine the specific level of retinal vasculature affected.
  • MI complements optical coherence tomography in diagnosing retinal vascular events.