Trial reportInternational ophthalmology2026
Full-spectrum LED screen-bar lighting as an adjunct to artificial tears in visual display terminal-related dry eye: a randomized study.
Trial report in International ophthalmology, 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.
The trial behind it
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Authors and funding
9 authors.
Funding
Abstract
purposeTo evaluate the short-term clinical effect of adding a full-spectrum screen-bar lamp as an environmental adjunct to artificial tear therapy in participants with newly diagnosed visual display terminal (VDT)-related dry eye.
methodsIn this prospective, randomised, single-center study, 66 participants with newly diagnosed VDT-related dry eye and limited corneal staining were assigned to a full-spectrum screen-bar lamp plus artificial tears (intervention group, n = 34) or artificial tears alone with no study lamp (control group, n = 32). Primary endpoints were changes in Ocular Surface Disease Index (OSDI) and non-invasive tear breakup time (NIBUT) from baseline to one month.
resultsThe modified intention-to-treat population included 65 participants. OSDI improved significantly in both groups at 1 month (both P < 0.001), with greater symptom reduction in the intervention group (adjusted between-group difference, - 7.33; P = 0.042). NIBUT increased in both groups (P < = 0.017), without a significant between-group difference (adjusted difference, 0.26; P = 0.726). No significant between-group differences were observed in changes in tear meniscus height, conjunctival hyperemia, lipid layer thickness of the tear film or partial blinking rate. No study-related adverse events were reported.
conclusionsAdding a full-spectrum lamp to artificial tears was associated with a greater short-term improvement in subjective dry eye symptoms in VDT-related dry eye, without corresponding between-group differences in objective ocular surface parameters. Further studies are required to confirm these findings. Trial registration number ChiCTR2400084309, 2024/05/14.
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