Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

VDU work: longitudinal survey on refractive defects

C Rechichi1, L Scullica

  • 1Istituto di Oftalmologia, Università di Messina, Italy.

Acta Ophthalmologica Scandinavica
|December 1, 1996
PubMed
Summary

Extensive research indicates that prolonged use of visual display units (VDUs) does not significantly alter refractive states or cause vision problems. Daily hours and years of VDU work showed no impact on eye refractions in over 23,000 employees.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Oral contraceptive phase has no effect on endurance test.

International journal of sports medicine·2007
Same author

Time-motion analysis of elite field hockey during several games in succession: a tournament scenario.

Journal of science and medicine in sport·2006
Same author

Pattern electroretinogram losses underlying perimetric losses in early glaucoma.

Acta ophthalmologica Scandinavica. Supplement·2002
Same author

Diagnosis and classification of macular degenerations: an approach based on retinal function testing.

Documenta ophthalmologica. Advances in ophthalmology·2001
Same author

Correlation of optic nerve head tomography with visual field sensitivity in papilledema.

Investigative ophthalmology & visual science·2001
Same author

The role of ocular oscillations upon visually dependent postural stabilization in patients affected by congenital nystagmus.

Journal of vestibular research : equilibrium & orientation·2001

Area of Science:

  • Ophthalmology
  • Occupational Health
  • Ergonomics

Background:

  • Visual Display Unit (VDU) use is prevalent in modern workplaces.
  • Concerns exist regarding the potential impact of VDU exposure on refractive error development and progression.
  • Longitudinal data on VDU use and refractive state changes are limited.

Purpose of the Study:

  • To investigate the relationship between time spent using VDUs and changes in refractive state.
  • To determine if daily VDU hours or years of VDU work influence refractive error.
  • To assess the impact of VDU exposure on emmetropic, hypermetropic, and myopic individuals.

Main Methods:

  • A longitudinal survey conducted in two phases over 4 years.
  • Involved a large sample of over 23,000 employees.

Related Experiment Videos

  • Analyzed refractive states in relation to daily VDU usage hours and cumulative years of VDU work.

    • Main Results:

    • No significant differences in refractive state were observed across employees with varying daily VDU hours or years of work.
    • Refractive states of emmetropic, hypermetropic, and myopic subjects remained stable regardless of VDU exposure duration.
    • High VDU exposure (over 6 hours/day or 6 years) did not correlate with the induction or worsening of refractive errors.

    Conclusions:

    • Occupational VDU use, even at high exposure levels, does not appear to induce or exacerbate refractive errors.
    • The study provides evidence against a causal link between VDU work and vision impairment.
    • Recommendations for VDU workplace policies can be informed by these findings on refractive state stability.