Abstract
Purpose
To compare the Preceyes Surgical Robotic System (Eindhoven, Netherlands) to manual internal limiting membrane (ILM) peeling using the Eyesi surgical simulator (VRmagic, Mannheim, Germany) as the operative platform.
Methods
A comparative study was carried out with surgeons initially performing ILM peeling manually and then with the robot. Twenty-three vitreoretinal surgeons agreed to participate and all consented to the use of their surgical data from the Eyesi surgical simulator. Surgeons were given a 5-min demonstration of the devices and were allowed to practice for 10 min before attempting the membrane peel. Initially, the peel was performed manually and afterwards, this was repeated using the robot-controlled forceps. Surgical simulator outcome measures were compared between approaches.
Results
The average time required for the procedure was 5 min for the manual approach and 9 min with the robot (paired t test, p = 0.002). Intraocular instrument movement was reduced by half with the robot. On average 344 mm was required to complete the ILM peeling with the robot compared with 600 mm using the manual approach (paired t test, p = 0.002). There were fewer macular retinal hemorrhages with the robot: 53 with manual surgery, 32 with the robot (Mann-Whitney U test, p = 0.035). Retinal injuries were eliminated with the robot.
Conclusions
Intraocular robotic surgery is still in its infancy and validation work is needed to understand the potential benefits and limitations of emerging technologies. Safety enhancements over current techniques may be possible and could lead to the broader adoption of robotic intraocular surgery in the future.
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Abbreviations
- ILM:
-
Internal limiting membrane
- OCT:
-
Optical coherence tomography
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David Maberley has recently conducted phase 3 trials for Alcon, Roche, Abvie, and Ophthotech and declares no other conflicts of interest related to this study. Maarten Beelen, Jorrit Smit, Thijs Meenink, and Gerrit Naus are employees of Preceyes B.V., Eindhoven, The Netherlands, and declare no other conflicts of interest. Clemens Wagner is an employee of VRmagic Holding AG, Mannhein, Germany, and declares no other conflict of interest. Marc de Smet is Chief Medical Officer of Preceys B.V., Eindhoven, The Netherlands, and of Oxular Ltd.; he has received honoraria from Allergan, has been a part of advisory boards for Abbvie, Allergan, and Janssen and declares no other relevant conflicts of interest.
Ethical approval
All surgeons consented to the use their surgical data for research purposes. This study conforms to the 1964 Declaration of Helsinki and its later amendments. IRB/Ethics Committee approval was not required for this study as there were no human or animal subjects. Exemption has been confirmed by the Central Committee on Research Involving Human Subjects (CCMO), The Hague, Netherlands.
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Meeting presentation
1. Oral presentation at FLORetina meeting – Florence, Italy (June 7, 2019)
2. ePoster theatre presentation at American Academy of Ophthalmology 2019 – San Francisco (October 13, 2019)
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Maberley, D.A.L., Beelen, M., Smit, J. et al. A comparison of robotic and manual surgery for internal limiting membrane peeling. Graefes Arch Clin Exp Ophthalmol 258, 773–778 (2020). https://doi.org/10.1007/s00417-020-04613-y
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DOI: https://doi.org/10.1007/s00417-020-04613-y