Abstract: Methods for treating psychiatric disorders using light energy are disclosed herein. A method for treating psychiatric disorders using light energy includes determining which hemisphere of the brain requires treatment using lateral visual field stimulation (LVFS) and applying light energy to the hemisphere of the brain to treat the psychiatric disorder other than depression. In an embodiment, light energy may include near infrared light (NIR). The methods of the present disclosure may be used to treat a variety of psychiatric disorders. In an embodiment, the methods may be used to treat a psychiatric disorder co-morbid with depression.