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1 BACKGROUND 1.1 Introduction Research in lighting design is a fairly new discipline. It is a field that is still lacking evidence and evaluation of methods and the amount of previous results and data is thus limited. When approaching lighting design (LD) and related research in connection to severe eating disorders (ED), the pool of data is even smaller and the aim of studies vary based on the background of the researcher. It is to be presumed that the broad spectrum of profession- al backgrounds involved, (doctors, psychiatrists, psychologists and lighting designers) approaches the topic differently to a very high degree, as each profession takes different factors in ED treatment into consideration. The effect of light therapy on ED have only been investigated in limited ways and never with LD in mind, as lighting design research is a very recent way to approach this. The objective of this study is to investigate the healing possibilities of light and how light affects the human body and mind. From a broad study of the healing effects of light, the focus will be on different studies within psychi- atric illnesses, and from this potentially initiate future cooperation between LD and psychiatric treatment. Finally, findings will be evaluated according to symptoms and behaviour in Anorexia Nervosa (AN) and Bulimia Nervosa (BN), to approach possible overlaps in comorbidity and treatment. Since 1903, where the Danish physician Niels Ryberg Finsen (Niels Ryberg Finsen - Biographical, no date) won a Nobel Prize for his treatment of tu- berculosis using ultraviolet light, light has been a known treatment form for various diseases. Names as heliotherapy, photo therapy and sun light ther- apy became common and well-known as treatment forms. In 1930, Dr. Au- guste Rollier, who was the most famous heliotherapist of the time, found that sunbathing early in the morning, combined with a nutritious diet, produced the best effects. By the year 1933, sunlight had proved to be a beneficial treatment for more than 165 different diseases. In relation to this, Dr. Rollier found that the healing sunrays were ineffective if his patients wore sunglass- es.. (Rollier, 1921) Connecting the treatment to the photoreceptors in the visual system, and by this the Suprachiasmatic nucleus (SCN). This links his research to the biological clock, and to the 2017 Nobel Prize winners (Physiology or Med- icine) Jeffrey C. Hall, Michael Rosbash and Michael W. Young “for their dis- coveries of molecular mechanisms controlling the circadian rhythm”. (The Nobel Prize in Physiology or Medicine 2017, no date) This joint effort pro- vided ground-breaking findings of how the internal clock is connected to our everyday exposure to daylight and artificial light, potentially leading to discoveries within Circadian Lighting (CL). LD for offices and health sector has become more acknowledged world-wide in the later years and currently dynamic lighting for circadian stimulation is being implemented in modern health care in Denmark. Master thesis · MSc Lighting Design · Pernille Bech-Larsen · Fall 2017 8PDF Image | Healing with light
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