Feasibility, accuracy, and repeatability of suprathreshold saccadic vector optokinetic perimetry

Ian C. Murray, Lorraine A. Cameron, Alice D. McTrusty, Antonios Perperidis, Harry M. Brash, Brian W. Fleck, Robert A. Minns

Research output: Contribution to journalArticle

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Abstract

Purpose: To evaluate feasibility, accuracy, and repeatability of suprathreshold Saccadic Vector Optokinetic Perimetry (SVOP) by comparison with Humphrey Field Analyzer (HFA) perimetry.

Methods: The subjects included children with suspected field defects (n = 10, age 5-15 years), adults with field defects (n = 33, age 39-78 years), healthy children (n = 12, age 6-14 years), and healthy adults (n = 30, age 16-61 years). The test protocol comprised repeat suprathreshold SVOP and HFA testing with the C-40 test pattern. Feasibility was assessed by protocol completeness. Sensitivity, specificity, and accuracy of SVOP was established by comparison with reliable HFA tests in two ways: (1) visual field pattern results (normal/abnormal), and (2) individual test point outcomes (seen/unseen). Repeatability of each test type was assessed using Cohen's kappa coefficient.

Original languageEnglish
Article number15
JournalTranslational Vision Science & Technology
Volume5
Issue number4
Early online date31 Aug 2016
DOIs
Publication statusPublished - Aug 2016

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Visual Field Tests
Defects
Visual Fields
Testing
Sensitivity and Specificity

Keywords

  • SVOP; perimetry; saccadic eye movements; visual fields

Cite this

Murray, Ian C. ; Cameron, Lorraine A. ; McTrusty, Alice D. ; Perperidis, Antonios ; Brash, Harry M. ; Fleck, Brian W. ; Minns, Robert A. / Feasibility, accuracy, and repeatability of suprathreshold saccadic vector optokinetic perimetry. In: Translational Vision Science & Technology. 2016 ; Vol. 5, No. 4.
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abstract = "Purpose: To evaluate feasibility, accuracy, and repeatability of suprathreshold Saccadic Vector Optokinetic Perimetry (SVOP) by comparison with Humphrey Field Analyzer (HFA) perimetry.Methods: The subjects included children with suspected field defects (n = 10, age 5-15 years), adults with field defects (n = 33, age 39-78 years), healthy children (n = 12, age 6-14 years), and healthy adults (n = 30, age 16-61 years). The test protocol comprised repeat suprathreshold SVOP and HFA testing with the C-40 test pattern. Feasibility was assessed by protocol completeness. Sensitivity, specificity, and accuracy of SVOP was established by comparison with reliable HFA tests in two ways: (1) visual field pattern results (normal/abnormal), and (2) individual test point outcomes (seen/unseen). Repeatability of each test type was assessed using Cohen's kappa coefficient.",
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note = "Accepted: 14 June 2016 Online pub: 31 August 2016 OA article Funding: Supported by grants from the Mackay bequest, Action Medical Research (AP1226), The RS Macdonald Charitable Trust, and the Wellcome Trust (049574).",
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Feasibility, accuracy, and repeatability of suprathreshold saccadic vector optokinetic perimetry. / Murray, Ian C.; Cameron, Lorraine A.; McTrusty, Alice D.; Perperidis, Antonios; Brash, Harry M.; Fleck, Brian W.; Minns, Robert A.

In: Translational Vision Science & Technology, Vol. 5, No. 4, 15, 08.2016.

Research output: Contribution to journalArticle

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AU - Brash, Harry M.

AU - Fleck, Brian W.

AU - Minns, Robert A.

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AB - Purpose: To evaluate feasibility, accuracy, and repeatability of suprathreshold Saccadic Vector Optokinetic Perimetry (SVOP) by comparison with Humphrey Field Analyzer (HFA) perimetry.Methods: The subjects included children with suspected field defects (n = 10, age 5-15 years), adults with field defects (n = 33, age 39-78 years), healthy children (n = 12, age 6-14 years), and healthy adults (n = 30, age 16-61 years). The test protocol comprised repeat suprathreshold SVOP and HFA testing with the C-40 test pattern. Feasibility was assessed by protocol completeness. Sensitivity, specificity, and accuracy of SVOP was established by comparison with reliable HFA tests in two ways: (1) visual field pattern results (normal/abnormal), and (2) individual test point outcomes (seen/unseen). Repeatability of each test type was assessed using Cohen's kappa coefficient.

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