Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Glaucoma and cognition: a systematic review and meta-analysis of cognitive metrics in glaucoma patients.

Canadian journal of ophthalmology. Journal canadien d'ophtalmologie·2026
Same author

Nicotinamide Supplementation and Primary Open-Angle Glaucoma in Patients With Ocular Hypertension.

JAMA ophthalmology·2026
Same author

Evaluating large language model performance in Risk of Bias assessments: A cross-sectional validation study.

PloS one·2026
Same author

Precision Medicine in Inherited Retinal Disease: Advances, Challenges, and Future Directions.

Journal of personalized medicine·2026
Same author

Effect of intraocular pressure control on visual field progression in the HORIZON trial.

Ophthalmology. Glaucoma·2026
Same author

Association Between Statin Use and Dry Eye Disease: A Systematic Review and Meta-Analysis.

American journal of ophthalmology·2026

Related Experiment Video

Updated: Mar 19, 2026

Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery
05:19

Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery

Published on: December 1, 2023

1.8K

Quantitative Analysis of Instrument Motion Paths in Cataract Surgery across a Resident's Training.

David Mikhail1, Shuting Xie2, Michael Balas3

  • 1Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.

Ophthalmology Science
|January 19, 2026
PubMed
Summary

Objective motion tracking reveals significant improvements in cataract surgery skills during residency training. Key instrument movements became more efficient around case 300, indicating skill acquisition and proficiency development.

Keywords:
Artificial intelligenceCataract surgeryComputer visionMotion tracking

More Related Videos

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes
08:27

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Published on: March 3, 2023

1.5K
Observation of the Ciliary Movement of Choroid Plexus Epithelial Cells Ex Vivo
08:00

Observation of the Ciliary Movement of Choroid Plexus Epithelial Cells Ex Vivo

Published on: July 13, 2015

12.7K

Related Experiment Videos

Last Updated: Mar 19, 2026

Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery
05:19

Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery

Published on: December 1, 2023

1.8K
Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes
08:27

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Published on: March 3, 2023

1.5K
Observation of the Ciliary Movement of Choroid Plexus Epithelial Cells Ex Vivo
08:00

Observation of the Ciliary Movement of Choroid Plexus Epithelial Cells Ex Vivo

Published on: July 13, 2015

12.7K

Area of Science:

  • Ophthalmology
  • Surgical Education
  • Medical Technology

Background:

  • Cataract surgery training relies on subjective feedback.
  • Objective quantification of surgical skill is needed for effective training.
  • Motion tracking offers a novel approach to assess surgical performance.

Purpose of the Study:

  • To objectively quantify surgical instrument motion paths during cataract surgery training.
  • To identify patterns of skill acquisition and proficiency development in ophthalmology residents.
  • To establish data-driven metrics for cataract surgery training.

Main Methods:

  • Analyzed 760 cataract surgery videos from a single resident using motion tracking software.
  • Tracked trajectories of 11 surgical instruments frame-by-frame.
  • Assessed skill progression using statistical trend analysis and change-point analysis.

Main Results:

  • Significant reductions in motion parameters (path length, velocity, acceleration, jerk, angular change) were observed for most instruments.
  • Path length decreased significantly for the cannula, phacoemulsification handpiece, and cystotome.
  • A notable shift in surgical efficiency occurred around case 300, with later improvements in advanced tasks like lens implantation.

Conclusions:

  • Motion tracking analysis reveals distinct, instrument- and task-specific learning curves in cataract surgery.
  • A significant milestone in instrument use efficiency was identified around case 300.
  • Objective video-based motion tracking can provide data-driven feedback to standardize and improve surgical training.