Purpose: To report the visual and anatomic outcomes of eyes with exceedingly long-term silicone oil tamponade. Methods: A retrospective chart review of 43 eyes of 41 patients with silicone oil tamponade for 5 years or more. Rates of retinal reattachment, visual acuity, and complications are presented. Further analysis was performed to identify if silicone oil complications are more common in eyes with lower vision. For this, cases were divided into group A-visual acuity of 20/400 or better and group B-visual acuity of less than 20/400. Results: Mean silicone oil duration was 12.6 +/- 6.3 years. The etiology at presentation included: recurrent RRD (60.46), RRD secondary to trauma (25.58), and TRD (13.95). Ninety-three percent of eyes underwent at least one ocular surgery before the vitrectomy with silicone oil tamponade. The retinal attachment rate was 55.8. Mean visual acuity at presentation was 2.03 +/- 0.6 logMAR, and at the final follow-up, 1.85 +/- 0.78 logMAR (p = 0.166). Emulsification developed in 33.3 of cases, glaucoma in 28.6, band keratopathy in 21.4, and corneal decompensation in 16.7. In 26.2 of eyes, the final visual acuity was 20/400 or better (group A). In 73.8 of eyes, final visual acuity was worse than 20/400 (group B). The rates of silicone oil emulsification and glaucoma were not statistically significant between groups. Conclusions: Long-term silicone oil tamponade is a possible option in eyes with complicated retinal detachment following multiple intravitreal procedures, although the complication rates are relatively high. In 26.2 of eyes, visual acuity of 20/400 or better can be preserved for many years.
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