Purpose
To investigate the impact of simulated hyperopia and sustained near work on children’s ability to perform a range of academic-related tasks.
Methods
Fifteen visually normal children (mean [±SD] age, 10.9 [±0.8] years; 10 male and 5 female) were recruited. Performance on a range of standardized academic-related outcome measures was assessed with and without 2.50 diopters of simulated bilateral hyperopia (administered in a randomized order), before and after 20 minutes of sustained near work, at two separate testing sessions. Academic-related measures included a standardized reading test (the Neale Analysis of Reading Ability), visual information processing tests (the Coding and Symbol Search subtests from the Wechsler Intelligence Scale for Children), and a reading-related eye movement test (the Developmental Eye Movement test).
Results
Simulated bilateral hyperopia and sustained near work each independently impaired reading, visual information processing, and reading-related eye movement performance (p < 0.001). A significant interaction was also demonstrated between these factors (p < 0.05), with the greatest decrement in performance observed when simulated hyperopia was combined with sustained near work. This combination resulted in performance reductions of between 5 and 24% across the range of academic-related measures. A significant moderate correlation was also found between the change in horizontal near heterophoria and the change in several of the academic-related outcome measures, after the addition of simulated hyperopia.
Conclusions
A relatively low level of simulated bilateral hyperopia impaired children’s performance on a range of academic-related outcome measures, with sustained near work further exacerbating this effect. Further investigations are required to determine the impact of correcting low levels of hyperopia on academic performance in children.
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The Doctor is very good. I felt on this visit he seemed rushed. I had questions to ask him but he was already with another patient. I still do not know if my eyes are the same , worse, or better.
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