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Successful surgical management of interlenticular membrane by vitreoretinal interlenticular membranectomy (VIM)
  1. Cheng Fei Kong1,
  2. Brendon Lee2,
  3. John Downie2 and
  4. Ian C Francis2
  1. 1Ophthalmology Department, Canberra Hospital, Canberra, Australian Capital Territory, Australia
  2. 2Ophthalmology Department, Prince of Wales Hospital and Community Health Services, Randwick, New South Wales, Australia
  1. Correspondence to Dr Cheng Fei Kong; ccfkong{at}


The formation of a light scattering interlenticular membrane (ILM) is a known complication of polypseudophakia and has been particularly noted with the use of dual intracapsular Alcon AcrylSof intraocular lenses (IOLs). The treatment options for this condition have largely been restricted to either Nd:YAG laser membranotomy or explantation of the dual IOL complex. In this case report, we describe an unusual case of ILM in a 76-year-old woman whose ILM had formed between her primary intracapsular IOL and her piggyback sulcal IOL. Furthermore, we describe vitreoretinal interlenticular membranectomy (VIM), a novel technique involving a translimbal anterior interlenticular membranectomy using vitreoretinal instrumentation. There were no intraoperative or postoperative complications. Postoperative best-corrected visual acuity was 6/4, maintained for 3 years of follow-up. VIM is offered as a management option for surgeons to address ILM when Nd:YAG laser therapy fails, and the IOLs cannot be safely explanted.

  • anterior chamber
  • ophthalmology

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  • Contributors All authors were involved in manuscript drafting, literature review and critical revision. ICF was the the primary surgeon involved with the patient’s care, and JD was the vitreoretinal surgeon who planned, designed and performed the new surgical technique.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.