ArticleBiological research for nursing2026
The Impact of a Blue-Blocking Filter Over One Eye on Health and Performance Outcomes and Its Implications for Night Workers.
Article in Biological research for nursing, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
The higher risk for cancer documented among night-shift nurses compared to the day-shift nurses possibly results from lower melatonin levels associated with exposure to light at night in the work environment. Research demonstrates that eliminating spectral power <530 nm to both eyes prevents light-induced nocturnal melatonin suppression, and complete occlusion of one eye reduces melatonin suppression relative to that when both eyes are open. This study investigated whether filtering short wavelengths from one eye using a blue-blocking filter, rather than occluding one eye, would maintain high melatonin levels, alertness, and visual performance. This crossover, within-subjects study ran for six nights. Subjects experienced one of six light conditions involving combinations of binocular versus monocular and filtered versus unfiltered vision per night. Normalized melatonin concentration area under the curve (AUC
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