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Visual outcomes after surgery for primary rhegmatogenous retinal detachment in era of microincision vitrectomy: Japan-Retinal Detachment Registry Report IV


Background/Aim To determine the preoperative ocular factors and surgical methods that led to best-corrected visual acuity (BCVA) after pars plana vitrectomy (PPV) or scleral buckling (SB) for rhegmatogenous retinal detachment (RRD).

Methods This was a prospective, nationwide, multicentre, observational study. Data from the Japanese Retina and Vitreous Society registry from 2016 to 2017 were used to determine the association between preoperative clinical factors, surgical procedures and postoperative BCVA at 6 months. Japanese individuals >40 years of age were included. Eyes with proliferative vitreoretinopathy were included. The primary outcome was the percentage of eyes that achieved 20/25 vision.

Results Of the 3219 registered cases, 2192 met the inclusion criteria (344 SB, 1738 PPV, 110 PPV+SB). Cases with preoperative BCVA (≤0 logarithm of the minimum angle of resolution (logMAR) units) had good postoperative BCVA (OR=3.97, CI 2.87 to 5.51). Older age (>70 years), low intraocular pressure (<10 mm Hg), high myopia (<−5 dioptres), multiple retinal breaks (>4), giant retinal tear (>90°), wide retinal detachment (>3 quadrants) and macula-off detachment were associated with less probability of postoperative 20/25 vision (OR=0.39, 0.64, 0.62, 0.60, 0.12, 0.51 and 0.36, respectively). Postoperative BCVA was 0.03±0.23 and 0.10±0.32 logMAR units after SB and PPV, respectively. The percentage of cases that achieved 20/25 vision was not significantly different after PPV or SB if cases that had concurrent cataract surgery were excluded (p=0.251).

Conclusions Better BCVA in patients with RRD who had undergone PPV was observed. However, if concurrent cataract surgery is not performed, BCVA will be comparable with either PPV or SB.

  • retina
  • vision
  • treatment surgery

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