Abstract
Purpose :
It remains controversial whether gas tamponade is necessary for myopic foveoschisis (MF) with foveal detachment (FD). We performed a retrospective case series study to learn about the long-term outcomes after pars plana vitrectomy (PPV) without gas tamponade in patients with MF accompanied by FD.
Methods :
In May 2018 to December 2021, forty eyes in 40 highly myopic patients with MF and FD underwent PPV with or without ILM peeling, and no intraocular gas tamponade were used. All patients completed a minimal follow-up of 12 months. Functional and anatomic outcomes were determined by measurement of best corrected visual acuity (BCVA) and central foveal thickness (CFT) on optical coherence tomography (OCT). Postoperative complications were also assessed. The statistical analysis methods include independent sample t test, paired sample t test, chi-square test, Fisher′s exact test, univariate and multivariate linear regression analysis.
Results :
At the 12-month follow-up, the LogMAR BCVA improved significantly from 1.15 ± 0.58 to 0.73 ± 0.39 (t=6.11, P＜0.01). The mean CFT decreased from 610.1±207.2 μm preoperatively to 155.9±104.1 μm postoperatively(t =13.47, P＜0.01). Complete resolution of MF with foveal reattachment was observed in 32 (80.0%) eyes. Subgroup analysis revealed that the logMAR BCVA and the CFT were not significantly different in groups with (n=21) or without (n=19) ILM peeling. The incidences of postoperative macular holes and rhegmatogenous retinal detachment were both 2.5%. Multivariate linear regression analysis showed that the baseline logMAR BCVA was independently and significantly associated with the logMAR BCVA at month 12 (β=0.433, P＜0.001).
Conclusions :
Vitrectomy without intraocular gas tamponade appeared to be effective and safe for patients with highly MF with FD. The results are comparable between groups with or without ILM peeling.
This abstract was presented at the 2024 ARVO Annual Meeting, held in Seattle, WA, May 5-9, 2024.