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Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
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A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
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Published on: April 11, 2025

Eye-neck interactions triggered by visually deficient computer work.

Hans O Richter1, Christina Zetterlund, Lars-Olov Lundqvist

  • 1Centre for Musculoskeletal Research, Department of Occupational and Public Health Science, Faculty of Health and Working Life, University of Gävle, Sweden. hrr@hig.se

Work (Reading, Mass.)
|June 16, 2011
PubMed
Summary
This summary is machine-generated.

Eye and neck/scapular symptoms are closely linked in IT professionals. Poor vision correction and vergence disparity significantly increase the risk of neck and shoulder pain, highlighting a functional connection.

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Published on: March 21, 2019

Area of Science:

  • Occupational health
  • Ophthalmology
  • Musculoskeletal disorders

Background:

  • Information technology (IT) professionals frequently experience eye strain and musculoskeletal discomfort.
  • The relationship between ocular and neck/scapular symptoms in this population warrants further investigation.

Purpose of the Study:

  • To investigate the co-occurrence of eye and neck/scapular symptoms among IT professionals.
  • To identify occupational risk factors associated with these symptoms.

Main Methods:

  • A cross-sectional study involving 3,971 IT employees working with computers.
  • Data collected via self-administered surveys and optometric examinations.
  • Logistic regression analyses were performed to assess symptom associations and risk factors.

Main Results:

  • Spectacle use with uncorrected visual acuity <1 was a significant mediator for neck/scapular symptoms.
  • Vergence disparity was associated with an increased risk of neck/scapular symptoms.
  • Ocular symptoms were the most influential risk factor for neck/scapular symptoms, and vice versa.

Conclusions:

  • The findings support a functional coupling between eye and neck/scapular area muscles.
  • Ocular health is a critical consideration for managing neck and shoulder complaints in IT workers.