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Digitally assisted three-dimensional surgery - Beyond vitreous.

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Summary

Three-dimensional (3D) visualization systems offer a safe and effective alternative to traditional microscopes for anterior segment procedures and scleral buckle surgery. While an initial learning curve exists, 3D systems provide superior visualization and comfort, leading to comparable surgical outcomes.

Keywords:
3D surgeryanterior segment procedurescleral buckle

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Area of Science:

  • Ophthalmology
  • Surgical Technology
  • Medical Imaging

Background:

  • Traditional microscopy is the standard for anterior segment and scleral buckle procedures.
  • Three-dimensional (3D) visualization systems offer potential advantages in surgical visualization and ergonomics.
  • Evaluating the safety and efficacy of 3D systems in comparison to conventional microscopy is crucial for adoption.

Purpose of the Study:

  • To assess the application and safety of 3D visualization systems in various anterior segment surgeries and scleral buckle procedures.
  • To compare surgical outcomes, complication rates, and surgeon experience between 3D systems and conventional microscopes.
  • To evaluate the learning curve and educational value of 3D visualization systems for surgeons and trainees.

Main Methods:

  • A prospective observational study involving 313 eyes undergoing phacoemulsification with intraocular lens (IOL), trabeculectomies, glaucoma triple procedure (GTP), scleral fixated (SF) IOL, and scleral buckle (SB).
  • Patients were randomized to either a 3D visualization system (learning and post-learning phases) or a conventional microscope group.
  • Data collected included intraoperative and postoperative complications, surgical outcomes, and surgeon-reported parameters via validated questionnaires.

Main Results:

  • No significant difference in complication rates or overall surgical outcomes (anatomical and physiological) between 3D and microscope groups.
  • Initial surgeries using 3D visualization for phacoemulsification with IOL, trabeculectomy, and GTP showed significantly longer durations compared to the microscope, which became insignificant post-learning.
  • Surgeons reported higher scores for image resolution, depth perception, illumination, and comfort with 3D systems, despite initial challenges with time lag and field of view during the learning phase.

Conclusions:

  • 3D visualization systems are safe and effective for anterior segment and scleral buckle procedures, offering comparable outcomes to conventional microscopy.
  • After an initial learning period, 3D surgery can be as fast or faster than microscope use, with no apparent lag in anterior segment procedures.
  • The enhanced visualization and comfort provided by 3D systems contribute to their value as an educational tool in ophthalmology training.