NeuroVision-X (NVX): A Bio-Inspired Artificial Retina System

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Medical

NVX IS A MODULAR APPROACH TO ARTIFICIAL VISION AND NEURAL INTERFACING

1. Problem and Proposed Solution

Current artificial vision systems are limited by low resolution and dependence on external cameras, resulting in an unnatural user experience. NeuroVision-X eliminates external imaging by integrating semiconductor photoreceptors directly onto the synthetic retinal surface of an autonomous artificial eye designed within a biologically accurate 24 mm diameter sphere. This modular, curved architecture enables distributed, foveated processing—treating the eye as an intraocular edge-processor rather than a passive sensor. By converting raw light into neural-compatible encoded signals, it creates a direct pathway for efficient vision restoration.

2. System Operation: The 5-Layer Monolithic Stack

The retina is divided into a 4 × 4 grid. The central 4 tiles provide high-resolution, color-sensitive detection (cone behavior), while the 12 peripheral tiles prioritize motion and low-light sensitivity (rod behavior). The system functions through five integrated layers:

Layer 1 (Photoreceptor Layer):

Utilizes Quantum-Dot enhanced photodiodes to capture light with 99% quantum efficiency, converting photons into analog signals with zero chromatic aberration.

Layer 2 (Signal Conditioning): Employs adaptive gain control and noise filtering to stabilize inputs across varying luminance levels.

Layer 3 (Pre-Processing): Extracts visual features (edges/motion) via local distributed logic, reducing bandwidth before neural transmission.

Layer 4 (Neural Encoding): Converts data into asynchronous, event-based spike signals. An Edge-AI Spatial Inference Engine interpolates and "fills" the structural gaps between tiles for a seamless visual field.

Layer 5 (Neural Interface): Delivers calibrated electrical micro-pulses via a high-density, biocompatible carbon-nanotube microelectrode array for direct neural stimulation.

3. Innovation and Fail-Safe Logic

Key innovations include the non-uniform foveated design and ultra-low-latency inter-tile communication. For human safety, the system features a Staggered Background Reboot Protocol. If a localized hardware fault occurs, tiles reboot in stages (peripheral then central), maintaining continuous situational awareness and preventing total visual blackout. Furthermore, a Thermal and Excitotoxicity Monitor tracks internal conditions; if current density or temperature rises near safety thresholds, the device automatically throttles processing into a low-power safe mode to protect neural pathways until thermal equilibrium is restored.

4. Manufacturing, Feasibility, and Sustainability

Utilizing standard semiconductor fabrication and sub-micron flexible PCBs, these components safely withstand 100,000+ daily saccadic movements. A Hybrid Power Architecture combines active intraocular photovoltaic harvesting with Transcutaneous Wireless Induction to power the integrated edge-AI. The artificial eye features biocompatible titanium anchor points for natural muscle attachment and gaze tracking. Internal synthetic vitreous fluid acts as a convective coolant to disperse heat. To ensure long term biostability, the sensor is coated in a nanoporous, anti-biofouling polymer enclosed within a laser-welded titanium capsule, ensuring sub-10ms latency and decades of intraocular stability.

Conclusion

NeuroVision-X marks a critical evolutionary shift from camera-dependent hardware to intelligent, processor-based intraocular sight. By unifying wide-angle event-driven sensing, predictive edge-AI spatial interpolation, and robust, medically grounded fault-tolerance, NVX provides a highly scalable and surgically viable roadmap toward restoring naturalistic vision truly compatible with the human nervous system.

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  • About the Entrant

  • Name:
    Naman Swami
  • Type of entry:
    team
    Team members:
    • Naman Swami
    • Pramod Kumar
  • Patent status:
    none