名詞 eyestrain:

1. a tiredness of the eyes caused by prolonged close work by a person with an uncorrected vision problem
   同義詞：asthenopia

eye.strain

n.（名詞）
Pain and fatigue of the eyes, often accompanied by headache, resulting from prolonged use of the eyes, uncorrected defects of vision, or an imbalance of the eye muscles.
眼下疲勞：眼睛的疼痛和疲乏，常伴有頭痛，長久使用眼睛所致，或因未矯正的視力缺陷或眼肌的不平衡