The effects of absence of stereopsis on performance of a simulated surgical task in two-dimensional and three-dimensional viewing conditions
Identifieur interne : 000D60 ( Main/Merge ); précédent : 000D59; suivant : 000D61The effects of absence of stereopsis on performance of a simulated surgical task in two-dimensional and three-dimensional viewing conditions
Auteurs : Edward Bloch [Royaume-Uni] ; Nabil Uddin [Royaume-Uni] ; Laura Gannon [Royaume-Uni] ; Khadija Rantell [Royaume-Uni] ; Saurabh Jain [Royaume-Uni]Source :
- The British Journal of Ophthalmology [ 0007-1161 ] ; 2014.
Abstract
Stereopsis is believed to be advantageous for surgical tasks that require precise hand-eye coordination. We investigated the effects of short-term and long-term absence of stereopsis on motor task performance in three-dimensional (3D) and two-dimensional (2D) viewing conditions.
30 participants with normal stereopsis and 15 participants with absent stereopsis performed a simulated surgical task both in free space under direct vision (3D) and via a monitor (2D), with both eyes open and one eye covered in each condition.
The stereo-normal group scored higher, on average, than the stereo-absent group with both eyes open under direct vision (p<0.001). Both groups performed comparably in monocular and binocular monitor viewing conditions (p=0.579).
High-grade stereopsis confers an advantage when performing a fine motor task under direct vision. However, stereopsis does not appear advantageous to task performance under 2D viewing conditions, such as in video-assisted surgery.
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DOI: 10.1136/bjophthalmol-2013-304517
PubMed: 25185439
PubMed Central: 4316921
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strict</wicri:regionArea></affiliation></author><author><name sortKey="Uddin, Nabil" sort="Uddin, Nabil" uniqKey="Uddin N" first="Nabil" last="Uddin">Nabil Uddin</name><affiliation wicri:level="1"><nlm:aff id="af1"><addr-line>Department of Ophthalmology</addr-line>,<institution>Royal Free London NHS Foundation Trust</institution>,<addr-line>London</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Gannon, Laura" sort="Gannon, Laura" uniqKey="Gannon L" first="Laura" last="Gannon">Laura Gannon</name><affiliation wicri:level="1"><nlm:aff id="af1"><addr-line>Department of Ophthalmology</addr-line>,<institution>Royal Free London NHS Foundation Trust</institution>,<addr-line>London</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Rantell, Khadija" sort="Rantell, Khadija" uniqKey="Rantell K" first="Khadija" last="Rantell">Khadija Rantell</name><affiliation wicri:level="1"><nlm:aff id="af3"><institution>Institute of Neurology, University College London</institution>,<addr-line>London</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Jain, Saurabh" sort="Jain, Saurabh" uniqKey="Jain S" first="Saurabh" last="Jain">Saurabh Jain</name><affiliation wicri:level="1"><nlm:aff id="af1"><addr-line>Department of Ophthalmology</addr-line>,<institution>Royal Free London NHS Foundation Trust</institution>,<addr-line>London</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation 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type="wicri:Area/Main/Merge">000D60</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">The effects of absence of stereopsis on performance of a simulated surgical task in two-dimensional and three-dimensional viewing conditions</title><author><name sortKey="Bloch, Edward" sort="Bloch, Edward" uniqKey="Bloch E" first="Edward" last="Bloch">Edward Bloch</name><affiliation wicri:level="1"><nlm:aff id="af1"><addr-line>Department of Ophthalmology</addr-line>,<institution>Royal Free London NHS Foundation Trust</institution>,<addr-line>London</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="af2"><institution>University College London Medical School</institution>,<addr-line>London</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Uddin, Nabil" sort="Uddin, Nabil" uniqKey="Uddin N" first="Nabil" last="Uddin">Nabil Uddin</name><affiliation wicri:level="1"><nlm:aff id="af1"><addr-line>Department of Ophthalmology</addr-line>,<institution>Royal Free London NHS Foundation Trust</institution>,<addr-line>London</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Gannon, Laura" sort="Gannon, Laura" uniqKey="Gannon L" first="Laura" last="Gannon">Laura Gannon</name><affiliation wicri:level="1"><nlm:aff id="af1"><addr-line>Department of Ophthalmology</addr-line>,<institution>Royal Free London NHS Foundation Trust</institution>,<addr-line>London</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Rantell, Khadija" sort="Rantell, Khadija" uniqKey="Rantell K" first="Khadija" last="Rantell">Khadija Rantell</name><affiliation wicri:level="1"><nlm:aff id="af3"><institution>Institute of Neurology, University College London</institution>,<addr-line>London</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Jain, Saurabh" sort="Jain, Saurabh" uniqKey="Jain S" first="Saurabh" last="Jain">Saurabh Jain</name><affiliation wicri:level="1"><nlm:aff id="af1"><addr-line>Department of Ophthalmology</addr-line>,<institution>Royal Free London NHS Foundation Trust</institution>,<addr-line>London</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="af2"><institution>University College London Medical School</institution>,<addr-line>London</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">The British Journal of Ophthalmology</title><idno type="ISSN">0007-1161</idno><idno type="eISSN">1468-2079</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Background</title><p>Stereopsis is believed to be advantageous for surgical tasks that require precise hand-eye coordination. We investigated the effects of short-term and long-term absence of stereopsis on motor task performance in three-dimensional (3D) and two-dimensional (2D) viewing conditions.</p></sec><sec><title>Methods</title><p>30 participants with normal stereopsis and 15 participants with absent stereopsis performed a simulated surgical task both in free space under direct vision (3D) and via a monitor (2D), with both eyes open and one eye covered in each condition.</p></sec><sec><title>Results</title><p>The stereo-normal group scored higher, on average, than the stereo-absent group with both eyes open under direct vision (p<0.001). Both groups performed comparably in monocular and binocular monitor viewing conditions (p=0.579).</p></sec><sec><title>Conclusions</title><p>High-grade stereopsis confers an advantage when performing a fine motor task under direct vision. 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