Resources

Explore our research publications, software tools, and related initiatives in the field of light exposure and health.

Preprints

  1. Zauner, J., Didikoglu, A., Aerts, S., Agbeshie, G. K., Akuffo, K. O., Akgun, S. G., Aydin, S. N., Baeza Moyano, D., Boesten, D., Bolte, J. F. B., Broszio, K., Cantarero García, G., González Lezcano, R. A., Guidolin, C., Hilden, S., Hogervorst, N., Jansen, A., Kayar, Z., Källberg, S., … Spitschan, M. (2026). Environmental and behavioural determinants of the personal light exposome. https://doi.org/10.64898/2026.06.04.730226 View publication →
  2. Zauner, J., de Vries, S. W., Didikoglu, A., van Duijnhoven, J., & Spitschan, M. (2026). Toward scalable ambulatory light dosimetry: sensor-placement bias under naturalistic conditions. https://doi.org/10.64898/2026.07.28.741277 View publication →
  3. Tabandeh, N., Veitch, J. A., & Spitschan, M. (2026). Trajectory-constrained modelling of melanopic light exposure in daily routines.

Research Articles

  1. Guidolin, C., Zauner, J., Hartmeyer, S. L., & Spitschan, M. (2026). Collecting, detecting, and handling non-wear intervals in longitudinal light exposure data. In Behavior Research Methods (Vol. 58, Issue 1, p. 36). https://doi.org/10.3758/s13428-025-02823-y View publication →
  2. Zauner, J., Stefani, O., Bocanegra, G., Guidolin, C., Schrader, B., Udovicic, L., & Spitschan, M. (2026). Auxiliary data, quality assurance and quality control for wearable light loggers and optical radiation dosimeters. In npj Biological Timing and Sleep (Vol. 3, p. 11). https://doi.org/10.1038/s44323-025-00067-9 View publication →
  3. Spitschan, M., Biller, A. M., Broszio, K., Fischer, E., Hegewald, J., Rabstein, S., Saathoff, E., Smolders, K., Thalji, S. M., Weigelt, S., Weiskopf, D., & Zauner, J. (2026). Ocular light and optical radiation exposure as a modifiable environmental determinant of health: expert consensus on research gaps and priorities. In BMC Medicine (Vol. 24, p. 119). https://doi.org/10.1186/s12916-025-04608-8 View publication →
  4. Piper, M., Broszio, K., Denneman, J., Gordijn, M., McGlashan, E., Lok, R., Najjar, R. P., Price, L., Sliney, D., Stefani, O., van Duijnhoven, J., Kervezee, L., & Spitschan, M. (2026). Bright days, dark nights: translating science on the non-visual effects of light into public health guidance. In Public Health Reviews (Vol. 47, p. 1609683). https://doi.org/10.3389/phrs.2026.1609683 View publication →
  5. Loock, A.-S., Lazar, R., Spitschan, M., & Blume, C. (2026). Associations between habitual light exposure-related behaviors and sleep timing and sleep complaints in an international community sample. In Scientific Reports (Vol. 16, Issue 1, p. 19524). https://doi.org/10.1038/s41598-026-58842-y View publication →
  6. Zauner, J., Nicholls, A., Ostrin, L. A., & Spitschan, M. (2026). Analysis of human visual experience data. In Journal of Vision (Vol. 26, Issue 7, p. 1). https://doi.org/10.1167/jov.26.7.1 View publication →
  7. Murukesu, R. R., Alkaff, Z. A., Del Villar, D., Zauner, J., & Spitschan, M. (2026). Protocol for a randomised, double-blind trial of a chronotherapeutic mobile health (mHealth) behaviour change intervention to optimise light exposure among older adults aged ≥ 60 years in Singapore (LightSPAN). In BMC Geriatrics (Vol. 26, p. 446). https://doi.org/10.1186/s12877-026-07105-6 View publication →
  8. Tabandeh, N., & Spitschan, M. (2026). Photoreceptor-specific scene statistics reveal melanopic structure in natural environments. In iScience (Vol. 29, Issue 8, p. 116661). https://doi.org/10.1016/j.isci.2026.116661 View publication →
  9. Spitschan, M., & Zauner, J. (2026). Light Exposure as a Modifiable Determinant of Mental Health. In Current Psychiatry Reports (Vol. 28, p. 24). https://doi.org/10.1007/s11920-026-01671-7 View publication →
  10. Biller, A. M., Zauner, J., Cajochen, C., Gerle, M. A., Kalavally, V., Mohamed, A., Rottländer, L., Seah, M.-Y., Stefani, O., & Spitschan, M. (2025). Physiologically-relevant light exposure and light behaviour in Switzerland and Malaysia. In Journal of Exposure Science & Environmental Epidemiology (Vol. 36, Issue 2, pp. 409–422). https://doi.org/10.1038/s41370-025-00825-8 View publication →
  11. Zauner, J., Guidolin, C., & Spitschan, M. (2025). How to Deal With Darkness: Modeling and Visualization of Zero-Inflated Personal Light Exposure Data on a Logarithmic Scale. In Journal of Biological Rhythms. https://doi.org/10.1177/07487304251336624 View publication →
  12. Zauner, J., Hartmeyer, S., & Spitschan, M. (2025). LightLogR: Reproducible analysis of personal light exposure data. In Journal of Open Source Software. https://doi.org/10.21105/joss.07601 View publication →
  13. Agbeshie, G. K., Duah Junior, I. O., Andoh, A. K. A., Ampong, J., Owusu Mensah, N. A., Ampoma-Mensah, A. Y., Zauner, J., Spitschan, M., & Akuffo, K. O. (2025). Physiologically relevant real-world light exposure and its behavioural and environmental determinants in Kumasi, Ghana. In Open Research Europe (Vol. 5, p. 300). https://doi.org/10.12688/openreseurope.21304.1 View publication →
  14. Zauner, J., Biller, A. M., & Spitschan, M. (2025). Impact of light logger and dosimeter placement on wearability and appeal in real-life settings. In Open Research Europe (Vol. 5, p. 293). https://doi.org/10.12688/openreseurope.20985.1 View publication →
  15. Spitschan, M., Kervezee, L., Stefani, O., Gordijn, M., Veitch, J. A., Lok, R., & Light for Public Health Consortium. (2025). Evidence-based public health messaging on the non-visual effects of ocular light exposure: a modified Delphi expert consensus. In BMJ Public Health (Vol. 3, Issue 2, p. e003205). https://doi.org/10.1136/bmjph-2025-003205 View publication →
  16. Spitschan, M., Hammad, G., Blume, C., Schmidt, C., Skene, D. J., Wulff, K., Santhi, N., Zauner, J., & Münch, M. (2024). Metadata recommendations for light logging and dosimetry datasets. In BMC Digital Health. https://doi.org/10.1186/s44247-024-00113-9 View publication →
  17. Guidolin, C., Aerts, S., Agbeshie, G. K., Akuffo, K. O., Aydin, S. N., Baeza-Moyano, D., Bolte, J., Broszio, K., Cantarero-García, G., Didikoglu, A., González-Lezcano, R. A., Joosten-Ma, H., Melero-Tur, S., Nilsson Tengelin, M., Pérez Gutiérrez, M. C., Stefani, O., Svensson, I., Udovičić, L., Zauner, J., & Spitschan, M. (2024). Protocol for a prospective, multicentre, cross-sectional cohort study to assess personal light exposure. In BMC Public Health (Vol. 24, p. 3285). https://doi.org/10.1186/s12889-024-20206-4 View publication →
  18. Spitschan, M., Mead, J., Roos, C., Lowis, C., Griffiths, B., Mucur, P., Herf, M., Nam, S., & Veitch, J. A. (2022). luox: validated reference open-access and open-source web platform for calculating and sharing physiologically relevant quantities for light and lighting. In Wellcome Open Research. https://doi.org/10.12688/wellcomeopenres.16595.3 View publication →
  19. Power analysis for personal light exposure measurements and interventions. https://pubmed.ncbi.nlm.nih.gov/39661605/ View publication →

Software

Related Projects

  1. CIE JTC 20 (D6/D2) Wearable alpha-opic dosimetry and light logging methods, limitations, device calibration and data schemes. https://cie.co.at/technicalcommittees/wearable-alpha-opic-dosimetry-and-light-logging-methods-limitations-device View publication →
  2. MeLiDos – Metrology for wearable light loggers and optical radiation dosimeters. https://www.melidos.eu/ View publication →
  4. Research Data Alliance - Optical Radiation Exposure and Visual Experience Working Group. https://www.rd-alliance.org/groups/optical-radiation-exposure-and-visual-experience-data-wg/activity/ View publication →