Abstract: A method and device for visual stimulation, wherein the device comprises at least one light source and at least one light guide to direct light emitted by the at least one light source to at least one light outlet. The device comprises attachment means with which the light outlet is supportable and/or attachable in connection with a skin around an eye of a subject and the device is configured to direct, via the at least one light outlet, light emitted by the at least one light source, towards optically sensitive parts of the eye through the skin and/or tissue around the eye when the attachment means, the light outlet and/or light guide is in use position in connection with the skin around the eye.