This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
Margalit E and Sadda SR (2003) Retinal and optic nerve diseases. Artificial Organs 27:963–974
Humayun MS, Prince M, De Juan Jr E, Barron Y, Moskowitz M, Klock IB, and Milam AH (1999) Morphometric analysis of the extramacular retina from postmortem eyes with retinitis pigmentosa. Investigative Ophthalmology and Visual Sciences 40:143–148
Humayun MS, De Juan Jr E, Weiland JD, Dagnelie G, Katona S, Greenberg R, and Suzuki S (1999) Pattern electrical stimulation of the human retina. Vision Research 39:2569–2576
Humayun MS, Greenberg RJ, Mech BV, Yanai D, Mahadevappa M, van Boemel G, Fujii GY, Weiland JD, and De Juan Jr E (2003) Chronically implanted intraocular retinal prosthesis in two blind subjects. In: Proceedings of ARVO Annual Meeting, April 2003.
Weiland JD, Yanai D, Mahadevappa M, Williamson R, Mech BV, Fujii GY, Little J, Greenberg RJ, De Juan Jr E, and Humayun MS (2004) Visual task performance in blind humans with retinal prosthetic implants. In: Proceedings of the 26th Annual International Conference of the IEEE EMBS
Weiland JD, Liu W, and Humayun MS (2005) Retinal prosthesis. Annual Review of Biomedical Engineering 7:361–401
Cha K, Horch K, and Normann RA (1992) Simulation of a phosphene-based visual field: visual acuity in a pixelized vision system. Annals of Biomedical Engineering 20:439–449
Cha K, Horch KW, Normann RA, and Boman DK (1992) Reading speed with a pixelized vision system. Journal of Optical Society of America A: Optics, Image Science and Vision 9:673–677
Cha K, Horch KW, and Normann RA (1992) Mobility performance with a pixelized vision system. Vision Research 32:1367–1372
Hayes JS, Yin JT, Piyathaisere DV, Weiland JD, Humayun MS, and Dagnelie G (2003) Visually guided performance of simple tasks using simulated prosthetic vision. Artificial Organs 27:1016–1028
Liu W and Humayun MS (2004) Retinal prosthesis. In: IEEE International Solid-State Circuits Conference Digest of Technical Papers, pp 218–219
Kendir GA, Liu W, Wang G, Sivaprakasam M, Bashirullah R, Humayun MS, and Weiland JD (2005) An optimal design methodology for inductive power link with class-E amplifier. IEEE Transactions on Circuits and Systems – I 52:857–866
Wang G, Liu W, Bashirullah R, Sivaprakasam M, Kendir GA, Ji Y, Humayun MS, and Weiland JD (2004) A closed loop transcutaneous power transfer system for implantable devices with enhanced stability. In: Proceedings of the IEEE International Symposium on Circuits and Systems. pp 17–20
Sivaprakasam M, Liu W, Humayun MS, and Weiland JD (2005) A variable range bi-phasic current stimulus driver circuitry for an implantable retinal prosthetic device. IEEE Journal of Solid-State Circuits 41:763–771
Fink W, Tarbell M, Weiland JD, and Humayun MS (2004) DORA: Digital Object Recognition Audio-Assistant for the visually impaired. Investigative Ophthalmology and Visual Science 45:4201
http://www.mosis.org/products/fab/vendors/
Mahadevappa M, Weiland JD, Yanai D, Fine I, Greenberg RJ, and Humayun MS (2005) Perceptual thresholds and electrode impedance in 3 retinal prosthesis subjects. IEEE Transactions on Neural Systems and Rehabilitation Engineering 13:201–206
Soykan O (2002) Power sources for implantable medical devices. Medical Device Manufacturing and Technology
Grover FW (1973) Inductance Calculation Working Formulas and Tables. Instrument Society of America, Research Triangle Park, North Carolina.
Lee TH (1998) The Design of CMOS Radio-Frequency Integrated Circuits. Cambridge University Press, Cambridge, United Kingdom
Sullivan CR (1999) Optimal choice for number of strands in a litz-wire transformer winding. IEEE Transactions on Power Electronics 14:283–291
Tang Z, Smith B, Schild JH, and Peckham PH (1995) Data transmission from an implantable biotelemeter by load-shift keying using circuit configuration modulator. IEEE Transactions on Biomedical Engineering 42:524–528
Wang G, Liu W, Sivaprakasam M, and Kendir GA (2005) Design and analysis of an adaptive transcutaneous power telemetry for biomedical implants. IEEE Transactions on Circuits and Systems-I 52:2109–2117
Takahashi M, Watanabe K, Sato F, and Matsuki H (2001) Signal transmission system for high frequency magnetic telemetry for an artificial heart. IEEE transactions on Magnetics 372921–372924
Bashirullah R, Liu W, Ji Y, Kendir GA, Sivaprakasam M, Wang G, and Pundi B (2003) A smart bi-directional telemetry unit for retinal prosthetic device. In: Proceedings of International Symposium on Circuits and Systems. pp 5–8
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2007 Springer Science+Business Media, LLC
About this chapter
Cite this chapter
Liu, W., Sivaprakasam, M., Wang, G., Zhou, M., Weiland, J.D., Humayun, M.S. (2007). Challenges in Realizing a Chronic High-Resolution Retinal Prosthesis. In: Humayun, M.S., Weiland, J.D., Chader, G., Greenbaum, E. (eds) Artificial Sight. Biological and Medical Physics, Biomedical Engineering. Springer, New York, NY. https://doi.org/10.1007/978-0-387-49331-2_7
Download citation
DOI: https://doi.org/10.1007/978-0-387-49331-2_7
Publisher Name: Springer, New York, NY
Print ISBN: 978-0-387-49329-9
Online ISBN: 978-0-387-49331-2
eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)