Feasibility of Home-Based Intermittent 60Hz Light Therapy for Major Depressive Disorder (MDD)

This study is testing whether a home-based light therapy device that flickers at 60 Hz can improve symptoms in people with major depressive disorder (MDD) who are not fully responding to antidepressant medication. Light-based treatments are thought to influence brain rhythms involved in mood regulation. **You may be eligible if...** - You are between 24 and 65 years old - You have a confirmed diagnosis of major depressive disorder - Your depression score is in the moderate-to-severe range (score of 17 or above on a standard scale) - You have been on a stable antidepressant medication for at least 30 days - You have access to a quiet space at home for the sessions - You have a local doctor or provider overseeing your care - You are English-speaking **You may NOT be eligible if...** - You have a neurological or autoimmune disorder - You have another psychiatric condition such as bipolar disorder, OCD, PTSD, psychosis, or anxiety disorder - You have a current or recent substance use disorder - You have had prior manic episodes Talk to your doctor to see if this trial is right for you.