Five levels of performance and two subscales identified in the computer-vision symptom scale (CVSS17) by Rasch, factor, and discriminant analysis

• Mariano González-Pérez ,

  Contributed equally to this work with: Mariano González-Pérez, Rosario Susi, Ana Barrio, Beatriz Antona

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: mgonper@hotmail.com

  Affiliation Faculty of Optics and Optometry, Universidad Complutense de Madrid, Madrid, Spain

  http://orcid.org/0000-0001-5967-5000

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• Rosario Susi ,

  Contributed equally to this work with: Mariano González-Pérez, Rosario Susi, Ana Barrio, Beatriz Antona

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Project administration, Supervision, Visualization, Writing – review & editing

  Affiliation Faculty of Statistical Studies, Universidad Complutense de Madrid, Madrid, Spain

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• Ana Barrio ,

  Contributed equally to this work with: Mariano González-Pérez, Rosario Susi, Ana Barrio, Beatriz Antona

  Roles Conceptualization, Investigation, Methodology, Project administration, Supervision, Validation, Visualization, Writing – review & editing

  Affiliation Faculty of Optics and Optometry, Universidad Complutense de Madrid, Madrid, Spain

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• Beatriz Antona

  Contributed equally to this work with: Mariano González-Pérez, Rosario Susi, Ana Barrio, Beatriz Antona

  Roles Conceptualization, Investigation, Methodology, Project administration, Supervision, Validation, Visualization, Writing – review & editing

  Affiliation Faculty of Optics and Optometry, Universidad Complutense de Madrid, Madrid, Spain

  ⨯