This exceptionally high quality bright light therapy lamp has been designed and tested in Finland, one of the world’s leading countries in bright light research. Many of us experience feelings of tiredness and lethargy during the long winter months. In more extreme cases people can also experience sleep disorders, mood swings and depression. This condition is referred to as Seasonal Affective Disorder (SAD). Many sufferers find that bright light therapy is an effective form of treatment for the symptoms of SAD. Whilst providing the optimum level of bright light, this lamp’s low surface luminosity, evenly distributed flicker free light and UV filtering shade is kind to your eyes too. The harmonious round design also helps to create a warm feeling of the sun and summer. (Dia. 40cm, D12cm). If symptoms are severe, please consult your doctor.