Light & Engineering 33 (1) 2025

Volume 33
Date of publication 02/20/2025
Pages 6–14

A Study of Healthy Lighting for Learning Performance and Visual Fatigue in School-Aged Children with Reading and Writing Tasks L&E, Vol.33, No.1, 2025

Articles authors:

Juanjie Li, Luoxi Hao, Yifan Huang, Tongyue Wang, Rongdi Shao

Juanjie Li, post graduate student. She is actively pursuing her Ph. D. studies in School of Architecture and Urban Planning, Tongji University, major in healthy lighting for elderly people and children

Luoxi Hao, Ph. D., Professor, serves as the CIE Vice-President Education for the year from 2023 to 2027, and she is the member of ISC China Committee, Vice President of China Illuminating Engineering Society. She has published over 140 papers on key journals. Now, she is a tenured Professor and doctoral supervisor in Tongi University

Yifan Huang, post graduate student. He is currently pursuing his Master’s degree in the Department of Psychology and Behavioural Sciences at Zhejiang University, with a focus on environmental psychology and human-computer interaction

Tongyue Wang, Ph. D. He holds a Doctor of Engineering in Architecture from Tongji University. He has long been engaged in research on architectural lighting, healthy lighting design and application in hospitals and elderly buildings. Now, he is a postdoctoral researcher in the School of Medicine of Tongji University

Rongdi Shao, Ph. D. She is engaged in the research and application of innovative application of human habitat healthy light environment, LED lighting, and active intervention in healthy light environment

Abstract:

It has a high impact on children’s learning performance in reading and writing tasks, daytime attention, visual fatigue, and mood in healthy indoor lighting environments. However, there is still a lack of consistent and comprehensive results on optimal lighting environments for children’s learning. In this study, a high-fidelity children’s room lighting laboratory was set up to study the levels of differences in reaction speed, accuracy, alertness, visual fatigue symptoms, and subjective perceptions of children’s reading and writing tasks at different illuminance levels (300 lx and 1200 lx) and correlated colour temperatures (CCT) 2800 K and 5000 K. 22 healthy schoolchildren (8.47 ± 2.20 years old) took part as participants in the laboratory study. Before starting, the participants underwent eye examinations, sleep assessments, and anxiety and depression tests, respectively. Results showed that colour temperature and illuminance had differential effects on spatial temperature perception and spatial colour perception, respectively (p < 0.1). Lighting environments with high correlated colour temperature and illuminance enhance children’s alertness and learning performance during reading and writing tasks while accelerating the development of visual fatigue. Finally, the article discusses the effects of different lighting elements on children’s melatonin secretion, alertness, and psychological.

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Keywords

DOI: https://doi.org/10.33383/2024-077

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