An optical stimulation system, comprising: an optical stimulation lead (103, 403, 503, 603) comprising a lead body having a distal portion and a proximal portion, and a plurality of light emitters (135, 435a, 435b, 535', 535", 635', 635") disposed along the distal portion of the lead body and configured and arranged to emit light having wavelengths that activate light-sensitive neurons within a target stimulation location, the light-sensitive neurons generating either an excitatory response or an inhibitory response when activated depending on the wavelength of the emitted light; a control module coupleable to the optical stimulation lead (103, 403, 503, 603), the control module configured and arranged to direct the emission of light from the plurality of light emitters (135, 435a, 435b, 535', 535", 635', 635") using a set of stimulation parameters; and a control interface communicatively coupleable to the control module, the control interface comprising a plurality of user-selectable controls to adjust stimulation parameters of the set of stimulation parameters, characterized in that the user-selectable controls comprise a graphical representation of a light emitter (735") for each of the plurality of light emitters (135, 435a, 435b, 535', 535", 635', 635"), wherein each graphical representation (735") comprises one or more user-selectable emitter controls (711, 721, 731) to select and indicate whether that light emitter (135, 435a, 435b, 535', 535", 635', 635") emits light and, if so, whether the emitted light comprises a first wavelength that generates an excitatory response from activated light-sensitive neurons, or a second wavelength that generates an inhibitory response from activated lightsensitive neurons, and in that the control interface further displays a graphical representation of the optical stimulation lead (703', 703"), and for each graphical representation of the light emitter (735") the graphical representation of the light emitter (735") is disposed along the graphical representation of the optical stimulation lead (703', 703") an optical stimulation lead (103, 403, 503, 603) comprising a lead body having a distal portion and a proximal portion, and a plurality of light emitters (135, 435a, 435b, 535', 535", 635', 635") disposed along the distal portion of the lead body and configured and arranged to emit light having wavelengths that activate light-sensitive neurons within a target stimulation location, the light-sensitive neurons generating either an excitatory response or an inhibitory response when activated depending on the wavelength of the emitted light; a lead body having a distal portion and a proximal portion, and a plurality of light emitters (135, 435a, 435b, 535', 535", 635', 635") disposed along the distal portion of the lead body and configured and arranged to emit light having wavelengths that activate light-sensitive neurons within a target stimulation location, the light-sensitive neurons generating either an excitatory response or an inhibitory response when activated depending on the wavelength of the emitted light; a control module coupleable to the optical stimulation lead (103, 403, 503, 603), the control module configured and arranged to direct the emission of light from the plurality of light emitters (135, 435a, 435b, 535', 535", 635', 635") using a set of stimulation parameters; and a control interface communicatively coupleable to the control module, the control interface comprising a plurality of user-selectable controls to adjust stimulation parameters of the set of stimulation parameters, characterized in that the user-selectable controls comprise a graphical representation of a light emitter (735") for each of the plurality of light emitters (135, 435a, 435b, 535', 535", 635', 635"), wherein each graphical representation (735") comprises one or more user-selectable emitter controls (711, 721, 731) to select and indicate whether that light emitter (135, 435a, 435b, 535', 535", 635', 635") emits light and, if so, whether the emitted light comprises a first wavelength that generates an excitatory response from activated light-sensitive neurons, or a second wavelength that generates an inhibitory response from activated lightsensitive neurons, and in that the control interface further displays a graphical representation of the optical stimulation lead (703', 703"), and for each graphical representation of the light emitter (735") the graphical representation of the light emitter (735") is disposed along the graphical representation of the optical stimulation lead (703', 703")