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Documenta Ophthalmologica

, Volume 139, Issue 2, pp 123–136 | Cite as

Objective and quantitative assessment of visual acuity and contrast sensitivity based on steady-state motion visual evoked potentials using concentric-ring paradigm

  • Xiaowei Zheng
  • Guanghua XuEmail author
  • Yunyun Wang
  • Chengcheng Han
  • Chenghang Du
  • Wenqaing Yan
  • Sicong Zhang
  • Renghao Liang
Original Research Article

Abstract

Purpose

The traditional assessment of visual acuity and contrast sensitivity depends more on subjective judgments. Steady-state motion visual evoked potentials (SSMVEPs) can provide an objective and quantitative method to evaluate visual functions such as visual acuity and contrast sensitivity. Here, we explored the possibility of objective SSMVEP visual acuity and contrast sensitivity testing, and compared its performance with that of psychophysical methods.

Methods

In this study, we designed a specific concentric ring with oscillating expansion and contraction SSMVEP paradigm to assess visual acuity and contrast sensitivity. By changing the parameters of the paradigm, the SSMVEP paradigm with different contrasts and spatial frequencies corresponding to different visual acuity and contrast sensitivity was designed. Moreover, we proposed a threshold determination criterion to define the corresponding objective SSMVEP visual acuity and contrast sensitivity.

Results

We tested visual acuity and contrast sensitivity of sixteen healthy adults utilizing this paradigm with an electroencephalography system. Our data suggested that there was no significant difference between objective visual acuity and contrast sensitivity measurements based on the SSMVEPs and subjective psychophysical ones.

Conclusion

Our study proved that SSMVEPs can be an objective and quantitative method to measure visual acuity and contrast sensitivity.

Keywords

Visual acuity Contrast sensitivity Threshold determination Steady-state motion visual evoked potential (SSMVEP) 

Notes

Acknowledgements

The authors thank all the subjects for their participation in this study. Supported by grants from the National Natural Science Foundation of China (NSFC-51775415) and the Key Research and Development Program of Shaanxi Province of China (2018ZDCXL-GY-06-01).

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.

Statement of human rights

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Statement on the welfare of animals

This article does not contain any studies with animals performed by any of the authors.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Xiaowei Zheng
    • 1
  • Guanghua Xu
    • 1
    • 2
    Email author
  • Yunyun Wang
    • 3
  • Chengcheng Han
    • 1
  • Chenghang Du
    • 1
  • Wenqaing Yan
    • 1
  • Sicong Zhang
    • 1
  • Renghao Liang
    • 1
  1. 1.School of Mechanical EngineeringXi’an Jiaotong UniversityXi’anChina
  2. 2.State Key Laboratory for Manufacturing Systems EngineeringXi’an Jiaotong UniversityXi’anChina
  3. 3.School of Software EngineeringXi’an Jiaotong UniversityXi’anChina

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