A Proof of Principle Study of a Novel Silicon based Retina Sensor for Patients with Macula Degeneration

Dr. Pourus Mehta

A Proof of Principle Study of a Novel Silicon based Retina Sensor for Patients with Macula Degeneration

Dr. Pourus Mehta * § Ph.D. (Physics)

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Bhabha Atomic Research Centre

A Proof of Principle Study of a Novel Silicon based Retina Sensor for Patients with Macula Degeneration

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Abstract

Recent advances in semiconductor technology have made it possible to achieve imaging devices that can serve as bionic retinas when implanted within the human eye. Traditional concepts for bionic retina prosthesis involve implantation of a CMOS CCD array in place of the dysfunctional retina of the patient [Ref. 2]. This concept suffers from a limitation of a finite battery life, which leads to frequent replacement of batteries. Secondly, the need to bias each pixel makes the number of electrodes large enough to occupy a large portion of active area on the chip. Moreover, more number of electrodes means greater data bandwidth required for restoring vision. It is proposed to use passive devices like solid state photo-voltaic Cells, which instead of consuming external power would in fact generate signals to stimulate the nerve fibers of the optic nerve. The need for digital data processing can be circumvented as the visual information (photo-generated analog signal) is directly coupled to the ganglion fibers of the macula region. The use of silicon as sensor material makes the device sensitive to infrared wavelengths making it possible for the recipient to have good visibility even at night.

References

4 Cites in Article

Reference Format

Christof Niemeyer,Chad Mirkin,Raymond Iezzi (2010). Nanobiotechnology Concepts, Applications & Perspectives.
Pourus Mehta Development of First Proto-Types of Silicon Drift Detectors: Design, Technology Development, Characterization & TCAD Figure 6 : Lateral cross-section of the human eye.
Pourus Mehta,K Sudheer (2011). Journals Received.
Pourus Mehta (2012). A Proof of Principle Study of A Novel Semiconductor based Charge Particle Identification Telescope.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr. Mehta, Dr. Mehta. 1970. "A Proof of Principle Study of a Novel Silicon based Retina Sensor for Patients with Macula Degeneration". Global Journal of Medical Research, Global Journal of Medical Research - B: Pharma, Drug Discovery, Toxicology & Medicine GJMR-B Volume 12 (GJMR Volume 12 Issue B9).

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GJMR Volume 12 Issue B9

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Journal Specifications

Crossref Journal DOI 10.17406/gjmr

Print ISSN 0975-5888

e-ISSN 2249-4618

Keywords

Silicon & solid state photo-voltaic Cells Technology Computer Aided Design

Classification

GJMR-B Classification NLMC Code: WW 270

Submission ReceivedAugust 19, 2012
Peer Review Double Blind
Handling Editor
Accepted September 18, 2012
Published September 29, 2012

Version of record

v1.2

Language

English

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Total Score: 146

Country: Unknown

Subject: Global Journal of Medical Research

Authors: Dr. Pourus Mehta (PhD/Dr. count: 1)

View Count (all-time): 183

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Publish Date: 2012 09, Sat

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Total Views: 8.7K

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