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Visual field defects after uneventful vitrectomy for epiretinal membrane with indocyanine green-assisted internal
Akinori Uemura1, Shigeru Kanda, Yushi Sakamoto
1Department of Ophthalmology, Kagoshima City Hospital, Kagoshima, Japan. akiu@ml.kch.kagoshima.kagoshima.jp
Purpose:
To report visual field defects after vitrectomy for epiretinal membrane with indocyanine green (ICG)-assisted internal limiting membrane (ILM) peeling.
Design:
Interventional consecutive case series.
Methods:
A retrospective review of 16 eyes of 16 patients who underwent vitrectomy for idiopathic epiretinal membrane. Indocyanine green-assisted ILM peeling was performed in 7 of 16 eyes. The main outcome measure was postoperative visual field.
Results:
Four of seven eyes (57%) with ICG-assisted ILM peeling had visual field defects postoperatively. The field defects identified were nasal in three eyes; in the fourth eye, the visual field was constricted to approximately 30 degrees. None of the nine eyes without ICG-assisted ILM peeling had a visual field defect.
Conclusions:
Peripheral visual field defects may occur after vitrectomy with ICG-assisted ILM peeling. Although the cause of the defects is unclear, the potential role of ICG toxicity requires further investigation.