May 2005
Volume 46, Issue 13
ARVO Annual Meeting Abstract  |   May 2005
"Virtual Screen" Conjunctivitis
Author Affiliations & Notes
  • A.S. Solomon
    Goldschleger Eye Research, Tel–Aviv University, Tel–Hashomer, Israel
  • Footnotes
    Commercial Relationships  A.S. Solomon, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 2669. doi:
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      A.S. Solomon; "Virtual Screen" Conjunctivitis . Invest. Ophthalmol. Vis. Sci. 2005;46(13):2669.

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

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Abstract: : Purpose: To elucidate the cause of blurred vision sensation in a group of people with no refarctive errors and no systemic or organic background. Methods: We present a group of 124 patients,73 maled and 51 females, ranging age from 6 to 58 years, who appealed at eye clinic with the complain of blurred vision. Each one of this group members passed a complete external and internal eye examination, refractive measurement and ortoptic evaluation.Questions concerning contact lens use, sunlight irradiation,work–related factors,allergic hystory or any other known or likely causative factors were posed.All answers were negative. Common to all this patients, though varying in presentation from mild to severe,was a clinical finding of redness of eyelid conjunctiva, with a papillary–like appearance reminiscent of that seen in the first stage of vernal conjunctivitis.Common to all this patients was the habit of watching television and/or using computer for more than two hours a day and up to ten hours. Treatment in all cases consisted of topical application of dexamethasone eye drops for a period of one week followed by treatment with chromoglicate for at least one month.All the members of the group were adviced to drastically cut the time spent in front of the screen. Results:All patients showed clear beneffit from the anti–allergic treatment Those who followed the advice of drastically cutting the time spent in front of the computer or TV screen showed a definite regression in the clinical papillary aspect of the conjunctiva and reported the disappearance of the blurred vision sensation. Conclusions: The results of this study demonstrate a clear relationship between long–term exposure to the computer or TV screen and the conjunctival reaction. This reaction was the cause of the blurred vision sensation.Further study is needed to identify the mechanism of this reaction and to verify the mechanism of the reaction proposed here, as well as the possible predisposition of certain individuals to that reaction.

Keywords: clinical (human) or epidemiologic studies: systems/equipment/techniques • conjunctivitis • ocular irritancy/toxicity testing 

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