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Measuring performance in virtual relaity phacoemulsification surgery
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Ophthalmology. (Per Söderberg)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Ophthalmology. (Per Söderberg)
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2008 (English)In: Proceedings of SPIE, the International Society for Optical Engineering, ISSN 0277-786X, E-ISSN 1996-756X, Vol. 6844, 13:1-13:9 p.Article in journal (Refereed) Published
Abstract [en]

We have developed a virtual reality (VR) simulator for phacoemulsification surgery. The current work aimed atdeveloping a relative performance index that characterizes the performance of an individual trainee. We recordedmeasurements of 28 response variables during three iterated surgical sessions in 9 experienced cataract surgeons,separately for the sculpting phase and the evacuation phase of phacoemulsification surgery and compared their outcometo that of a reference group of naive trainees. We defined an individual overall performance index, an individual classspecific performance index and an individual variable specific performance index. We found that on an average theexperienced surgeons performed at a lower level than a reference group of naive trainees but that this was particularlyattributed to a few surgeons. When their overall performance index was further analyzed as class specific performanceindex and variable specific performance index it was found that the low level performance was attributed to a behaviorthat is acceptable for an experienced surgeon but not for a naive trainee. It was concluded that relative performanceindices should use a reference group that corresponds to the measured individual since the definition of optimal surgerymay vary among trainee groups depending on their level of experience.

Place, publisher, year, edition, pages
San José, CA: SPIE , 2008. Vol. 6844, 13:1-13:9 p.
Keyword [en]
phacoemulsification cataract surgery, virtual reality, performance index
National Category
Ophthalmology
Research subject
Ophtalmology
Identifiers
URN: urn:nbn:se:uu:diva-125004DOI: 10.1117/12.779572OAI: oai:DiVA.org:uu-125004DiVA: diva2:318238
Available from: 2010-05-06 Created: 2010-05-06 Last updated: 2017-12-12Bibliographically approved

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