Etiology of unexplained vision loss after silicone oil removal still unclear

SEATTLE — Cases of unexplained vision loss following silicone oil tamponade removal have been reported over the years. Potential causes have been investigated but remain unclear.
In a presentation at the American Society of Retina Specialists annual meeting, Lihteh Wu, MD, reviewed studies that attempted to find an explanation, extrapolating some of the potential risk factors.
Some authors in the recent past hypothesized that neuronal apoptosis following silicone oil removal may be triggered by sudden changes in potassium concentration. A later study by Scheerlinck and colleagues found

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