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Surgical Technique: Viscodissection for Managing Funnel Retinal Detachments.

David Oliver-Gutierrez1, Claudia García-Arumí1,2, Daniel Gómez Plaza2

  • 1Department of Ophthalmology, Hospital Universitari Vall d'Hebron, 08035 Barcelona, Spain.

Journal of Clinical Medicine
|July 12, 2025
PubMed
Summary

Viscodissection effectively opens complex funnel-shaped retinal detachments, enabling safer perfluorocarbon liquid (PFCL) application. This minimally traumatic technique shows promise for improving surgical outcomes in retinal detachment repair.

Keywords:
funnel-shaped retinal detachmentproliferative vitreoretinopathy (PVR)retinal detachmentviscodissectionvitreoretinal surgery

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Area of Science:

  • Ophthalmology
  • Retinal Surgery

Background:

  • Complex funnel-shaped retinal detachments pose significant surgical challenges.
  • Minimizing trauma and ensuring safe application of perfluorocarbon liquids (PFCLs) are critical.

Purpose of the Study:

  • To evaluate the efficacy and safety of viscodissection for managing complex funnel-shaped retinal detachments.
  • To assess its role in minimizing trauma and facilitating PFCL application.

Main Methods:

  • Retrospective case series of five patients with funnel-shaped retinal detachments (trauma or recurrent).
  • Viscodissection used for controlled, minimally traumatic separation of adhered retinal tissues.
  • Data included visual acuities, surgical details, and complications.

Main Results:

  • Successful funnel opening and PFCL application in all cases.
  • Visual acuity improved in four patients (up to 20/100); one case of PFCL subretinal migration.
  • No retinal detachment recurrences, but three reoperations for proliferative vitreoretinopathy (PVR).

Conclusions:

  • Viscodissection is a promising technique for complex retinal detachments.
  • Facilitates non-traumatic tissue separation, improving visualization and safety during PFCL use.
  • May enhance surgical outcomes and reduce complications in retinal detachment surgery.