To investigate the attitudes and understanding of optometrists in the UK and Ireland towards Digital Eye Strain (DES), and to examine related practice patterns.

中文翻译：

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英国和爱尔兰验光师对数字眼疲劳的态度以及评估和管理方法

调查英国和爱尔兰验光师对数字眼疲劳 (DES) 的态度和理解，并检查相关的实践模式。