Visual problems among video display terminal (VDT) users in Nepal

  • Shrestha G
  • Mohamed F
  • Shaha D
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Purpose: To evaluate visual problems, major symptoms, and their associations among VDT users in Nepal. Methods: Among 76 hospital attendees, assessment included visual acuity, retinoscopy, convergence, accommodation, fusional vergence and Schirmer's II. Subjects'symptoms were recorded in the structured 5 point intensity scale questionnaire. Results:Mean age of subjects was 25.8 ± 5 years with 6.9 ± 2.6 hours/day of computer use. Ocular changes were reported in 92.1 % of the total subjects. The common ocular change was accommodative infacility. The most common symptoms (p < 0.001) were tired eyeand headache.Reduced tear secretion as indicated by Schirmer's test II was found to have a little rolein manifesting the symptoms as indicated by regression coeffi cient. Conclusions: Accommodative infacility and tired eye were the most common abnormalities and symptom reported. Schirmer's test II was slightly correlated with some ocular, visual, and systemic symptoms. © 2010 Spanish General Council of Optometry. Published by Elsevier España, S.L. All rights reserved.

Author-supplied keywords

  • Nepal
  • Ocular changes
  • Symptoms
  • VDT

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  • Gauri Shankar Shrestha

  • Fathimath Nestha Mohamed

  • Dev Narayan Shaha

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