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eISSN: 2719-3209
ISSN: 0023-2157
Klinika Oczna / Acta Ophthalmologica Polonica
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4/2010
vol. 112
 
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abstract:
Original paper

Reading, writing, working on a computer or watching television, and myopia

Damian Czepita
1
,
Artur Mojsa
1
,
Maria Ustianowska
1
,
Maciej Czepita
1
,
Ewelina Lachowicz
1

  1. Department of Ophthalmology, Pomeranian Medical University in Szczecin, Poland
Online publish date: 2010/12/22
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Purpose: The aim of our study was to investigate on a large population if reading, writing, working on a computer or watching

television might be associated with the occurrence of myopia.

Material and methods: A total of 5865 schoolchildren were examined (2792 boys and 3073 girls, at the age 6-18 years, mean

age 11.9, S.D. 3.3). The examination included retinoscopy under cycloplegia induced with 1% tropicamide. Myopia was defined

as a spherical equivalent of at least -0.50 dioptres. Mean refractive error was -1.2, SD 1.3. (The students and their parents

completed a questionnaire on the child’s visual work. Data analysis was performed using independence chi-squared Pearson

test; p-values of <0.05 were considered statistically significant.

Results: It was observed that myopia occurs more often in students who read and write >2 hours/ day (p<0.001), and also

work >0.8 hours/ day on a computer (p<0.01). Furthermore, no increase in the prevalence of myopia in subjects who spend

>2 hours/ day watching television was found (p>0.05).

Conclusions: The obtained results indicate that reading, writing, working on a computer might be associated with the occurrence of myopia among schoolchildren. Watching television is not related to the occurrence of myopia.
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