A high performance graphic and haptic curvilinear capsulorrhexis simulation system.

Shun Liang, P. Pat Banerjee, Deepak P. Edward

Research output: Contribution to journalArticlepeer-review

Abstract

A computer based curvilinear capsulorrhexis simulation system known as Virtual Phaco Trainer is presented. Interested residents and surgeons can use this system to navigate through the capsulorrhexis procedures and practice their skills. Performance data is presented after each practice with built in objective performance evaluation metrics. The system makes a number of important contributions A mass-spring model based anisotropic mesh is used to simulate a deformable capsule model along with a smooth curvilinear capsulorrhexis path. To navigate precisely, a Phantom haptic device is used to track positions as well as to provide snag-free haptic feedback. Solutions to conflicting requirements between a high density mesh update frequency and a high haptic feedback update frequency are addressed. Promising evaluation results from a group of ophthalmology residents and attending surgeons are presented and discussed.

Original languageEnglish (US)
Pages (from-to)5092-5095
Number of pages4
JournalConference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference
StatePublished - 2009
Externally publishedYes

ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition
  • Signal Processing
  • Biomedical Engineering
  • Health Informatics

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