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Related Experiment Video

Updated: Mar 29, 2026

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Functional Visual Symptoms, Accommodative Dysfunction, and Visual Performance Alterations in Chronic Work-Related

Mariaelena Malvasi1, Elena Pacella1, Simone De Sio2

  • 1Department of Sense Organs, Sapienza University of Rome, 00185 Rome, Italy.

Vision (Basel, Switzerland)
|March 27, 2026
PubMed
Summary
This summary is machine-generated.

Chronic work stress may cause visual problems like eye strain and blurred vision, even without eye damage. This is linked to the autonomic nervous system

Keywords:
asthenopiaautonomic nervous systemchronic stressmobbingvisual discomfortvisual functionvisual performancework-related stress

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Area of Science:

  • Ophthalmology
  • Psychosomatic Medicine
  • Occupational Health

Background:

  • Chronic work-related stress, including mobbing, has known psychological and somatic effects.
  • The impact of stress on visual function, especially without structural ocular damage, is not well understood.
  • This review explores the link between chronic stress, autonomic nervous system (ANS) dysregulation, and functional visual disorders.

Purpose of the Study:

  • To critically examine the evidence linking chronic stress, ANS dysregulation, and functional visual disorders.
  • To focus on accommodative function and asthenopia (eye strain) as key areas of impact.
  • To propose a pathophysiological framework for stress-related visual dysfunction.

Main Methods:

  • A qualitative narrative review of literature from 2000-2025.
  • Searched major biomedical databases for studies on chronic stress, ANS activity, accommodative function, digital eye strain, and ocular symptoms.
  • Integrated findings into a coherent pathophysiological framework.

Main Results:

  • The eye, heavily innervated by the ANS, can be affected by prolonged stress-induced autonomic changes.
  • Evidence indicates chronic stress is linked to asthenopia, accommodative inefficiency, and discomfort, even without apparent eye pathology.
  • Altered parasympathetic control of the ciliary muscle is a potential mechanism.

Conclusions:

  • Functional visual disorders may be peripheral signs of stress-related ANS dysregulation.
  • While causality is not definitively proven, the findings suggest a link.
  • Further multidisciplinary research is needed to understand the clinical and medico-legal significance of stress-related visual dysfunction.