Intra-operative optical coherence tomography in glaucoma surgery—a systematic review

Bryan C.H. Ang, Sheng Yang Lim, Syril Dorairaj

Research output: Contribution to journalReview article

1 Scopus citations

Abstract

The application of the OCT in clinical ophthalmology has expanded significantly since its introduction more than 20 years ago. There has been recent growing interest in the application of intra-operative optical coherence tomography (iOCT). The iOCT’s ability to enhance visualisation and depth appreciation has the potential to be further exploited in glaucoma surgery, especially with the emergence of Minimally Invasive Glaucoma Surgery (MIGS)—to facilitate targeted device placement and fine surgical manoeuvres in the angles, the sub-conjunctival layer and the suprachoroidal space. Hence, this study aims to appraise the current literature on the applications of iOCT in glaucoma surgery. A total of 79 studies were identified following a literature search adhering to PRISMA guidelines. After full text evaluation, 10 studies discussing iOCT use in glaucoma surgery were included. Traditional glaucoma filtering procedures reviewed included trabeculectomy surgery, goniosynechiolysis, bleb needling and glaucoma drainage device implantation. MIGS procedures reviewed included canaloplasty, trabecular aspiration, ab-interno trabectome and the XEN45 gel stent. iOCT use in ophthalmic surgery is becoming increasingly prevalent and has already been applied in various surgeries and procedures in the field of glaucoma. With the greater adoption of MIGS, iOCT may further contribute in facilitating surgical techniques and improving outcomes. While iOCT offers many advantages, there are still limitations to be overcome—iOCT technology continues to evolve to optimise imaging quality and user-experience.

Original languageEnglish (US)
Pages (from-to)168-177
Number of pages10
JournalEye (Basingstoke)
Volume34
Issue number1
DOIs
StatePublished - Jan 1 2020

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

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