Precision Phosphene Control

Faraz Sadrzadeh-Afsharazar
PhD Candidiate
fsadrzad@torontomu.ca
Noninvasive Optical Venous & Arterial Cervical Macrovasculature Monitoring

The project is devoted to application of a weak spatially resolved pulsating electrical currents across regions of the facial skin causing visual percepts experienced by the recipient called phosphenes (visually perceived flashes that are not caused by actual light). This is a non-invasive wearable technology as shown in the pictures. Through the strategic electro-stimulation of the phosphenes, a person can precisely control their location and flashing frequency in the field of vision. This method can be utilized in a visual prosthesis to aid the partially blind or visually impaired individuals to navigate the world if the phosphene stimulated device will be connected to the camera and/or global positioning system. This approach also can be used in computer gaming for interactive deep immersion.