Abstract
To compare refractive changes following 23-gauge (G) vitrectomy with or without gas tamponade in pseudophakic eyes. This retrospective study included patients with neodymium: yttrium-aluminum-garnet (Nd: YAG) laser capsulotomy, who underwent 23 G pars plana vitrectomy (PPV) between February 2015 and March 2019. Indications for surgery included; rhegmatogenous retinal detachment in Group 1 and epiretinal membrane or vitreous hemorrhage (VH) in Group 2. Gas tamponade 12% perflouropropane (C3F8) was used in Group 1 whereas no tamponade was used in Group 2. The minimum follow-up was 24 months for both groups. A total of 47 patients were recruited (Group 1, n=27 and Group 2, n=20). The visual acuity improvement was statistically significant in both groups (p
Highlights
Pars plana vitrectomy (PPV) is a commonly employed surgical technique in posterior segment surgery
Group 1 consisted of patients with pseudophakic rhegmatogenous retinal detachment (RD) who underwent 23 G vitrectomy and 12% perflouropropane (C3F8) gas tamponade whereas Group 2 consisted of patients with epiretinal membrane or vitreous hemorrhage (VH) who underwent 23 G vitrectomy without any tamponade between February 2015 and March 2019
In terms of early complication, vitreous hemorrhage was observed in one eye (3.7%) in Group 1 which was treated with vitreous lavage at the postoperative month-2
Summary
Pars plana vitrectomy (PPV) is a commonly employed surgical technique in posterior segment surgery. A traditional vitrectomy, which is typically indicated in retinal detachment (RD) surgery, involves the removal of all of the vitreous gel including the vitreous base. Surgical treatment of the rhegmatogenous RD typically requires the use of an intraocular tamponade agent. Vitreoretinal pathologies such as epiretinal membrane, vitreomacular traction syndrome, and vitreous hemorrhage (VH) can usually be treated without the use of any intraocular tamponade. A myopic shift in refraction has been reported in pseudophakic eyes following vitrectomy (Byrne et al, 2008; Hamoudi et al, 2013). Our study aimed to compare refractive changes following 23-gauge (G) PPV with or without intraocular gas tamponade in pseudophakic eyes
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