ArticleThe British and Irish orthoptic journal2026
Effects on Stereopsis Under Different Lighting Conditions.
Article in The British and Irish orthoptic journal, 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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Abstract
Introduction: Stereopsis is the ability to perceive depth through binocular vision. Artificial lighting conditions play a significant role in visual performance, yet their specific effects on stereopsis remain poorly understood. This study aimed to investigate the effect of different light sources on stereopsis. Methodology: Forty young adults with normal binocular vision and stereoacuity better than 40 arcseconds were included. Participants were exposed to four lighting conditions [light-emitting diode (LED), incandescent, sodium vapour, and compact fluorescent lamp (CFL)] with illumination levels set at 400 lux. Stereoacuity was measured using the Randot stereo test under these lighting conditions, with the order of exposure randomised for each participant. Results: The median stereopsis values for CFL and LED lighting were 25 arcseconds, while those for incandescent and sodium vapour lamps were 30 arcseconds. Stereoacuity was significantly worse under sodium vapour and incandescent lighting compared to CFL and LED conditions ( Conclusion: Sodium vapour and incandescent lighting conditions significantly impair stereopsis, while CFL and LED lighting conditions do not adversely affect stereopsis.
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