Practical Aspects of Light Therapy
In general, it is best to begin light therapy with the patient receiving 10,000 lux. Lower intensities are effective but take significantly more time out of…

Formal Aspects of Light Therapy
As noted earlier in this chapter, light therapy appears to be mediated via the eyes rather than the skin. It is important for clinicians to inform…

Evidence for Efficacy

Acute-Phase Treatment
Because the recipient of light therapy is not “blind” to the treatment being administered, the development of a suitable control treatment for light therapy has been a problem…

Light Therapy Diagnostic Indications and Contraindications

Indications
The chief indication for light therapy is seasonal affective disorder (SAD) (Rosenthal et al. 1984) or, as classified in DSM-IV (American Psychiatric Association…

Introduction

Although exposure to environmental light has been regarded as therapeutic since ancient times and artificial light has been recommended for a variety of…