Integrated Microsystems

9Retinal Prostheses Current Approaches, Challenges, and Outlook

Luke Theogarajan

John Wyatt

Joseph Rizzo

CONTENTS

1. 9.1 Background and Motivation
   1. 9.1.1 Why, Where, and How?
   2. 9.1.2 Electrical Stimulation
2. 9.2 Electronic Visual Prosthesis
3. 9.3 Stimulator Chip
   1. 9.3.1 Architectural Overview
   2. 9.3.2 Power Supply Considerations
   3. 9.3.3 Full Chip Experimental Results
4. 9.4 Challenges
5. 9.5 Conclusion
6. Acknowledgments
7. References

9.1 Background and Motivation

9.1.1 WHY, WHERE, AND HOW?

Vision is arguably the most important sense that we possess and diseases that cause an impairment of this sense result in a debilitating condition. Additionally age-related causes of blindness, such as age-related macular degeneration (AMD), are exacerbated by the increase in ...