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Transient retinal artery occlusion during phacoemulsification cataract surgery.

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Transient retinal artery occlusion (TRAO) is a challenging diagnosis after cataract surgery. Optical coherence tomography (OCT) is crucial for identifying TRAO when other methods fail.

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Area of Science:

  • Ophthalmology
  • Retinal Imaging
  • Surgical Complications

Background:

  • Transient retinal artery occlusion (TRAO) is a potential cause of vision loss post-cataract surgery.
  • This condition may be underdiagnosed due to subtle clinical signs.

Observation:

  • A series of three patients with post-phacoemulsification visual loss diagnosed with TRAO is presented.
  • Optical coherence tomography (OCT) imaging proved valuable in diagnosing TRAO.

Findings:

  • OCT revealed inner retinal thickening/edema in the acute phase, progressing to atrophy.
  • Comparison of OCT macular profiles between affected and healthy eyes is key for diagnosis.
  • Visual acuity may improve, but persistent visual field defects and color perception issues are common.

Implications:

  • OCT is essential for diagnosing TRAO, especially when fundal and angiographic findings are absent.
  • Early and meticulous OCT analysis is critical for patients with acute post-operative visual loss.
  • Accurate diagnosis of TRAO can guide management and patient counseling regarding visual prognosis.