Transcranial Bright Light Therapy in Seasonal Affective Disorder (SAD)

Inclusion Criteria

• •patient has (according to the Diagnostic and Statistical Manual of Mental Disorders, fourth edition, text revision \[DSM-IV-TR\]) a Major depression, recurrent episode, seasonal pattern
• •Structured Interview Guide for the Hamilton Depression Rating Scale - Seasonal Affective Disorder Version Self Rating Version (SIGH-SAD-SR) score ≥ 16
• •patient is over 18 years and under 66 years
• •patient can read and understand the subject information sheet
• •patient has signed the informed consent form
• •patient is not pregnant