However, UV‐A radiation contributes only very little to total work related solar UVR dose 43 and the intensity of solar UVR is quite low outside the Danish summer season.44 UV‐A radiation may still contribute to the development of photoaging and KC, as evidenced by its potential to induce elastin degeneration and DNA photolesions in the human basal epidermis suggested by experimental studies.45, 46, 47. Here, ELN is linked to keratoconus.