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Silicone oil removal led to unexplained visual loss; cause uncertain
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Some patients can experience unexpected and permanent visual loss after uncomplicated silicone oil removal, according to a small case series.
Richard S.B. Newsom and colleagues described seven patients who suffered visual loss following removal of silicone oil after vitreoretinal surgery. The seven men and one woman were 42.8 years old on average and demonstrated a mean 4.7 Snellen line loss after silicone oil removal. No other complications associated with the oil removal were noted. The retina remained attached in all cases, and no patient developed cystoid macular edema or epiretinal membrane. The majority of patients showing severe macular dysfunction on electrophysiologic testing, the researchers said.
The study is published in Retina.