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Related Experiment Video

Updated: Jun 25, 2025

An Alternative and Validated Injection Method for Accessing the Subretinal Space via a Transcleral Posterior Approach
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Biomechanical considerations for optimising subretinal injections.

Dario L'Abbate1, Kia Prescott1, Brendan Geraghty2

  • 1Department of Eye and Vision Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK.

Survey of Ophthalmology
|May 26, 2024
PubMed
Summary
This summary is machine-generated.

Subretinal injections deliver novel ocular therapies precisely. This review refines the technique by detailing anatomical factors, risks, and robotic assistance for improved patient outcomes.

Keywords:
Gene therapyRefluxRetinaRetinal traumaRobotic assistanceSubretinal blebSubretinal injectionVitrectomy

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Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Retinal Surgery

Background:

  • Subretinal injection is crucial for delivering gene and cell therapies to the retina.
  • Current techniques lack precision in targeting specific retinal locations, posing risks.

Purpose of the Study:

  • To provide an overview of key factors influencing subretinal injection outcomes.
  • To refine subretinal injection techniques for enhanced precision and safety.
  • To explore strategies for mitigating risks and improving patient results.

Main Methods:

  • Review of anatomical and physical variables affecting subretinal bleb formation and propagation.
  • Analysis of risks associated with subretinal injections, including reflux and retinal trauma.
  • Exploration of emerging robotic technologies for enhanced intraocular precision.

Main Results:

  • Anatomical and physical factors significantly impact bleb shape, propagation, and retinal integrity.
  • Reflux and retinal trauma are key risks that can be mitigated through refined techniques.
  • Robotic assistance shows promise for improving maneuverability and precision in subretinal delivery.

Conclusions:

  • Optimizing subretinal injection requires understanding anatomical and physical variables.
  • Mitigating risks like retinal trauma and reflux is essential for patient safety.
  • Robotic assistance represents a future direction for enhancing precision in subretinal therapies.