May 2008
Volume 49, Issue 13
ARVO Annual Meeting Abstract  |   May 2008
Does PRK Increase the Risk of Computer Vision Syndrome?
Author Affiliations & Notes
  • S. Hincapie-Hincapie
    University Of Valladolid, Valladolid, Spain
  • J. Merayo-Lloves
    University Of Valladolid, Valladolid, Spain
  • E. Garcia-Navarra
    CEOS(Centro de especialdades Oftalmologicas ), Madrid, Spain
  • Footnotes
    Commercial Relationships  S. Hincapie-Hincapie, None; J. Merayo-Lloves, None; E. Garcia-Navarra, None.
  • Footnotes
    Support  This work was performed according with the data base of the "Centro de Especialidades Oftalmologicas" (CEOS), Madrid, Spain
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 3349. doi:
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      S. Hincapie-Hincapie, J. Merayo-Lloves, E. Garcia-Navarra; Does PRK Increase the Risk of Computer Vision Syndrome?. Invest. Ophthalmol. Vis. Sci. 2008;49(13):3349. doi:

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      © ARVO (1962-2015); The Authors (2016-present)

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Purpose: : To perform outcome analysis of patients that underwent Photorefractive keratotomy (PRK) for myopia from a cohort of professional users of visual display terminal (VDT).Material and

Methods: : Retrospective case series study. Eight hundred professional workers on VDT of the same company, were explored by a compressive ophthalmological protocol that includes a psychometric questionnaire. The questionnaire includes 18 questions scaled from 1 (no symptoms) to 5 (very severe symptoms) with a total score of 90 points. For the present study, 13 patients with myopia that elected PRK for correction more than ten years ago were included. Also, another 13 patients matching age and dioptres were random selected for comparison.

Results: : Mean age was 40 years old, 70% male and best corrected visual acuity of 20/30. Patients that underwent PRK have a mean uncorrected visual acuity of 20/40 with a mean spherical equivalent of -0.75D. Psychometric questionnaire showed a mean of 20.35 (SD 2.23) in the group corrected with glasses and increase to 26.40 (SD 2.4) in the group operated with PRK

Conclusions: : Myopic patients that underwent PRK with ten years follow up complain of visual display terminal more than the group of patient not operated

Keywords: refractive surgery: PRK • myopia • quality of life 

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