Asthenopia in schoolchildren
نویسندگان
چکیده
منابع مشابه
Asthenopia in Schoolchildren
In dear memory of my mother SUMMARY Asthenopia is a term used to describe different symptoms associated with the use of the eyes, such as pain, blurred vision, diplopia, headaches. Asthenopia is most often reported in association with near vision. Children with asthenopia complain of such symptoms particularly when reading and writing. Asthenopia is often divided into two main categories: refra...
متن کاملAsthenopia in schoolchildren
OBJECTIVE To assess asthenopia prevalence and associated factors in schoolchildren aged 6-16. METHODS This was a cross-sectional study of all children attending the first to eighth grades at two public schools in the urban region of a medium-sized town in Southern Brazil between April and December 2012. A questionnaire on socioeconomic and cultural matters was answered by parents, while the c...
متن کاملIs all asthenopia the same?
PURPOSE Any of several conditions can cause asthenopia. The purpose of this study was to determine whether the particular sensations or their location vary dependent on the symptom-inducing condition. METHODS Twenty subjects with good vision performed eight reading tasks in random order during different conditions. Each condition used different stimuli to induce asthenopia. The eight conditio...
متن کاملAn attempt at preventing asthenopia among VDT workers.
We report the results of 3 surveys of visual display terminal (VDT) users who took a minibreak during which they viewed a stereoscopic image of a repeating parallel pattern showing planets. The single image stereogram method employed is called Stretch Eye (TM), and we evaluated the effects of Stretch Eye (TM) on asthenopia. An accommodative relaxation of about 1 D was observed in participants w...
متن کاملFrequency of asthenopia and its association with refractive errors
Methods: In this cross-sectional practice-based study, the clinic records of 1109 school-aged children (mean age and standard deviation 14.39 ± 3.39 years) were analysed. The sample comprised 427 (38.5%) male and 682 (61.5%) female patients between the ages of 6 and 19 years. Refractive errors were classified into various types, and the association between these refractive types and symptoms in...
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ژورنال
عنوان ژورنال: Clinical Ophthalmology
سال: 2015
ISSN: 1177-5483
DOI: 10.2147/opth.s84976