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This systematic review evaluated the impact of blue-blocking (BB) spectacle lenses on digital asthenopia, considering 9 relevant studies published in the last decade. While two studies indicated some effectiveness of BB lenses in reducing symptoms like eye pain and heavy eyes, others did not show significant differences compared to no-block (NB) lenses in various eye strain symptoms. Overall, the evidence lacks conclusive support for the effectiveness of BB filters in alleviating digital eye strain (DES) symptoms, emphasizing the need for more standardized and comprehensive research in this area.
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Aleksandravičiūtė et al. (2024) studied this question.
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