Vergence eye movements are movements of both eyes in opposite directions. Vergence is known to have a role in binocular vision. However recent studies link vergence eye movements also to attention and attention disorders. As attention may be involved in dyslexia, it is sensible to guess that the presence of reading difficulties can be associated with specific patterns in vergence responses. Data from school children performing a word-reading task have been analysed. In the task, children had to distinguish words from non-words (scrambled words or row of X's), while their eye positions were recorded. Our findings show that after stimulus presentation eyes briefly converge. These vergence responses depend on the stimulus type and age of the child, and are different for children with reading difficulties. Our findings support the idea of a role of attention in word reading and offer an explanation of altered attention in dyslexia.

中文翻译：

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在单词检测任务中有或没有阅读困难的儿童的眼部发散反应。

收敛眼运动是两只眼睛在相反方向上的运动。众所周知，Vergence在双目视觉中起作用。然而，最近的研究将发散的眼球运动也与注意力和注意力障碍联系起来。由于注意力可能与阅读障碍有关，因此有理由猜测阅读困难的存在可能与发散反应中的特定模式有关。已分析了来自执行单词阅读任务的小学生的数据。在任务中，孩子必须区分单词和非单词（混乱的单词或X的行），同时记录他们的眼睛位置。我们的发现表明，刺激刺激后眼睛短暂会合。这些发散反应取决于儿童的刺激类型和年龄，对于阅读困难的儿童则有所不同。