How To Cite EyeQuestion/EyeOpenR In Your Article
Data Collection
If you have used EyeQuestion for data collection, you can use the following citation form:
EyeQuestion® (version xxx, EyeQuestion Software, the Netherlands)
Data Analysis
If you have used EyeOpenR for data analysis, you can use the following citation form:
EyeOpenR® (version xxx, EyeQuestion Software, the Netherlands and Qi Statistics Ltd., United Kingdom)
Version
You can find your current version here:

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