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Vision impairments reduce cognitive test performance

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Fig. 1: Performance on visual and non-visual cognitive tasks can differ between people with and without a visual impairment, even if they have equivalent cognitive abilities.


  1. Wood, J. et al. Optom. Vis. Sci. 87, 1037–1043 (2010).

    Article  Google Scholar 

  2. Killen, A. et al. Age Ageing 42, 98–102 (2013).

    Article  Google Scholar 

  3. Jefferis, J. M. et al. Age Ageing 41, 565–568 (2012).

    Article  Google Scholar 

  4. GBD 2019 Blindness and Vision Impairment Collaborators. Lancet Glob. Health 9, e130–e143 (2021).

    Article  Google Scholar 

  5. Evans, B. J. & Rowlands, G. Ophthalmic Physiol. Opt. 24, 161–180 (2004).

    Article  Google Scholar 

  6. Foreman, J. et al. Sci. Rep. 7, 8757 (2017).

    Article  Google Scholar 

  7. Novartis Pharmaceuticals Corporation. ViaOpta Simulator, (2019).

  8. Samanta, A., Mauntana, S., Barsi, Z., Yarlagadda, B. & Nelson, P. C. J. Telemed. Telecare, (2020).

  9. Wittich, W., Phillips, N., Nasreddine, Z. S. & Chertkow, H. J. Vis. Impair. Blind. 104, 360–368 (2010).

    Article  Google Scholar 

  10. Larner, A. Prog. Neurol. Psychiatry 19, 20–22 (2015).

    Article  Google Scholar 

  11. American Psychological Association. Ethical Principles of Psychologists and Code of Conduct Including 2010 and 2016 Amendments, (2017).

Download references

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A.M., V.R.S. and T.L. conceptualized the correspondence. All authors contributed to and approved the final version the correspondence.

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Correspondence to Tobias Loetscher.

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The authors declare no competing interests.

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Macnamara, A., Schinazi, V.R., Chen, C. et al. Vision impairments reduce cognitive test performance. Nat Aging 1, 975–976 (2021).

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