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Background:Retained preretinal bubbles were found over the posterior retina after silicone oil removal in patients who had received complicated vitreoretinal surgery.Cases:We report on two patients who underwent vitreoretinal surgery with silicone oil infusion for giant retinal tears;perfluorocarbon liquid was used during the surgery.Posteriorly located preretinal oil was noted after silicone oil removal in both patients.Observations:In both cases,oil bubbles formed,which were transparent and located in unusual places for a long period of time.No alteration of refractive status or harmful effect seemed to be associated with these retained oil bubbles.Conclusions:This strange phenomenon of fixed preretinal oil bubbles may occur after vitreoretinal surgery.It did not seem to be harmful to the retina during the follow-up periods.
Background: Retained preretinal bubbles were found over the posterior retina after silicone oil removal in patients who had received complicated vitretinal surgery. Cases: We report on two patients who underwent vitreoretinal surgery with silicone oil infusion for giant retinal tears; perfluorocarbon liquid was used during the surgery. Predictive preretinal oil was noted after silicone oil removal in both patients. Observations: In both cases, oil bubbles formed, which were transparent and located in unusual places for a long period of time. No alteration of refractive status or harmful effect seemed to be associated with these retained oil bubbles. Conclusions: This strange phenomenon of fixed preretinal oil bubbles may occur after vitreoretinal surgery. Did did not seem to be harmful to the retina during the follow-up periods.