Excellent article on the state of prescribed tDCS for depression.
Full article: Treating Depression With tDCS: Startup Ybrain Aims for the Mainstream

In South Korea, Ybrain is betting that these benefits and its slick consumer-friendly design will speed adoption of its device. “It’s designed for home use,” says Ybrain CEO Lee, “so physician can electronically prescribe the device and patients can bring it to their homes.”