Half your vision is gone after a stroke. Doctors say nothing can be done. We disagree. NeuroVis retrains your brain to see again using AR and a gentle pulse.
Inspiration: A stroke can erase half your vision overnight. Doctors call it permanent. We called it a challenge. We wanted to build something that gives those patients a real shot at recovery.
What it does: NeuroVis uses an AR headset to watch your blind visual field. When our AI spots something important: a face, an obstacle, it sends a tiny, safe electrical pulse to your visual cortex at exactly the right moment, training your brain to see again through repetition.
How we built it: Python FastAPI backend with a real-time tDCS safety engine, a YOLOv8 vision pipeline detecting objects in the blind field, a visionOS SwiftUI app for Apple Vision Pro, and a React clinician dashboard, all wired together and deployed in 24 hours.
Challenges we ran into: Getting the Hebbian timing right between object detection and stimulation pulse. Enforcing hard safety limits at every layer of the stack. Making the Vision Pro AR overlay feel natural rather than disorienting.
Accomplishments that we're proud of: A live system where you can watch the AI detect faces in real time and fire paired stimulation pulses. A safety architecture with a hard 2.0mA ceiling that cannot be bypassed by any code path.
What we learned: Neuroplasticity is real and programmable. The gap between a research paper and a working prototype is smaller than we thought and much more important.
What's next for Neurovis: Clinical partnership with an ophthalmology or neurology lab. IRB approval for a small human trial. Then a wearable device patients can use at home, every day, without a doctor present.
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