Focus on Data Series

Data from research in vision science have several special aspects, including the need for appropriately displaying and analyzing data from 2 eyes from the same animal or patient and staging and severity scales that may need transformation for analysis, such as Snellen visual acuity scores. Articles in this series are intended for researchers who have had a basic statistics course, possibly years ago. Examples using data from vision research studies will be presented to guide selection of appropriate procedures in statistical software. Code for selected procedures will be included and the datasets used in some examples will be made available as supplemental files on the IOVS website.

Submission of articles will be primarily by invitation. Authors who would like to contribute an article to the series should contact one of the Editorial Board members for Focus on Data listed below.

Guest Editor: Maureen G. Maguire, maguirem@pennmedicine.upenn.edu

Guest Editorial Board Members:
Joseph Carroll, jcarroll@mcw.edu
Stuart Gardiner, SGardiner@deverseye.org
David Garway-Heath, d.garway@ucl.ac.uk

Articles will be added to this page as they are published.

Editorial

New Section on Using Data from Vision Research Open Access
Maureen G. Maguire
Investigative Ophthalmology & Visual Science June 2020, Vol.61, 26. https://doi.org/10.1167/iovs.61.6.26

Tutorials

Assessing Intereye Symmetry and Its Implications for Study Design Open Access
Maureen G. Maguire
Investigative Ophthalmology & Visual Science June 2020, Vol.61, 27. https://doi.org/10.1167/iovs.61.6.27

Display of Data Open Access
Johannes Ledolter, Oliver W. Gramlich, Randy H. Kardon
Investigative Ophthalmology & Visual Science June 2020, Vol.61, 25. https://doi.org/10.1167/iovs.61.6.25

Focus on Data: Statistical Design of Experiments and Sample Size Selection Using Power Analysis Open Access
Johannes Ledolter, Randy H. Kardon
Investigative Ophthalmology & Visual Science July 2020, Vol.61, 11. https://doi.org/10.1167/iovs.61.8.11

Parametric Statistical Inference for Comparing Means and Variances Open Access
Johannes Ledolter, Oliver W. Gramlich, Randy H. Kardon
Investigative Ophthalmology & Visual Science July 2020, Vol.61, 25. https://doi.org/10.1167/iovs.61.8.25

Focus on Data: Statistical Significance, Effect Size and the Accumulation of Evidence Achieved by Combining Study Results Through Meta-analysis Open Access
Johannes Ledolter, Randy H. Kardon
Investigative Ophthalmology & Visual Science August 2020, Vol.61, 32. https://doi.org/10.1167/iovs.61.10.32

Calculating Sensitivity, Specificity, and Predictive Values for Correlated Eye Data Open Access
Gui-Shuang Ying, Maureen G. Maguire, Robert J. Glynn, Bernard Rosner
Investigative Ophthalmology & Visual Science September 2020, Vol.61, 29. https://doi.org/10.1167/iovs.61.11.29
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