“…Nevertheless, they have been tested for this situation in order to check the consistency of results. As mentioned before, research from 1999 showed that, for non-LED lighting, the GR glare measure is applicable for indoor sports, although this was refuted in 2016 for LED lighting (14,44). Static position indices in glare models, as can be seen in Appendix D, have the disadvantage of being valid for only that situation, while in sports glare angles continuously change.…”