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Biomechanical considerations for optimising subretinal injections

Lookup NU author(s): Professor David SteelORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

© 2024 The AuthorsSubretinal injection is the preferred delivery technique for various novel ocular therapies and is widely used because of its precision and efficient delivery of gene and cell therapies; however, choosing an injection point and defining delivery parameters to target a specified retinal location and area is an inexact science. We provide an overview of the key factors that play important roles during subretinal injections to refine the technique, enhance patient outcomes, and minimise risks. We describe the role of anatomical and physical variables that affect subretinal bleb propagation and shape and their impact on retinal integrity. We highlight the risks associated with subretinal injections and consider strategies to mitigate reflux and retinal trauma. Finally, we explore the emerging field of robotic assistance in improving intraocular manouvrability and precision to facilitate the injection procedure.


Publication metadata

Author(s): L'Abbate D, Prescott K, Geraghty B, Kearns VR, Steel DHW

Publication type: Review

Publication status: Published

Journal: Survey of Ophthalmology

Year: 2024

Volume: 69

Issue: 5

Pages: 722-732

Print publication date: 01/09/2024

Online publication date: 24/05/2024

Acceptance date: 20/05/2024

ISSN (print): 0039-6257

ISSN (electronic): 1879-3304

Publisher: Elsevier Inc.

URL: https://doi.org/10.1016/j.survophthal.2024.05.004

DOI: 10.1016/j.survophthal.2024.05.004

PubMed id: 38797394


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