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Subject Area

Ophthalmology

Article Type

Original Study

Abstract

Objectives This study aimed to evaluate the peripapillary retinal nerve fiber layer (RNFL) changes following retinal detachment repair with silicone oil (SO) tamponade by optical coherence tomography. Background SO has a well-established part in vitreoretinal surgery. With the enhancement of microsurgical strategies, it allows prolonged intraocular tamponade, and because of its optical clarity, it provides adequate postoperative assessment and good evaluation of visual acuity. Patients and methods This cross-sectional case series study was performed at two vitreoretinal centers; 30 patients underwent successful vitrectomy for primary rhegmatogenous retinal detachment with the macula of less than 1 month of using SO (5000 centistokes) as a tamponade. Data were collected after oil removal with or without phacoemulsification. Peripapillary RNFL thickness and central foveal thickness were measured using spectral-domain-optical coherence tomography. Results We divided the patients into two groups: 15 patients underwent silicone oil removal before 6 months (group I) and 15 patients after 6 months (group II). We compared best-corrected visual acuity between group I and group II and showed that there was a statistically significant difference in visual gain between the two groups. Also our study included the comparison of central macular thickness between the affected eye and the sound eye. Conclusion Patients with rhegmatogenous retinal detachment who had successful eye repair using SO tamponade are showing better visual outcomes with a tamponade period of fewer than 6 months with statistically significant difference of central foveal thickness than those with more than 6 months tamponade. However, the RNFL thinning did not have any statistically significant difference between both groups.

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