Implantable retinal prosthesis devices
نویسندگان
چکیده
منابع مشابه
Towards a completely implantable , light - sensitive intraocular retinal prosthesis
An electronic retinal prosthesis is under development to treat retinitis pigmentosa and age-related macular degeneration, two presently incurable diseases of the outer retina that afflict millions worldwide. Previous studies have established the feasibility of the retinal prosthesis. Short-term tests in blind humans have shown that degenerated retina will respond to light in a way that is consi...
متن کاملHigh Resolution Implantable Microsystem and Probe Design for Retinal Prosthesis
By a retinal prosthesis, the researchers have been able to stimulate a limited number of neurons (around 100) by biphasic current stimulus to reproduce an image spatially by multiplexing technique. For functional restoration of sight (visual acuity 20/80), we are to stimulate at least 2500 neurons/mm². We are far behind that target. The time required by biphasic current stimulus, the sequential...
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Recently, with the progress of an aging society, the number of people who have suffered from retinal diseases such as retinitis pigmentosa (RP) and agerelated macular degeneration (AMD) has been remarkably increasing. However, the proper medical treatments for such diseases have not been established yet. Due to strong demands on alternative medical treatments to restore visual sensation for bli...
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Electrical cardiac pacing for the management of bradyarrhythmias was first described in 1952, and permanent transvenous pacing devices were introduced into clinical practice in the early 1960s. The first devices for endocardial defibrillation were implanted in surviving victims of sudden cardiac death in 1980. Implanted electrical devices for the management of cardiac dysrhythmias have changed ...
متن کاملImplantable CMOS Biomedical Devices
The results of recent research on our implantable CMOS biomedical devices are reviewed. Topics include retinal prosthesis devices and deep-brain implantation devices for small animals. Fundamental device structures and characteristics as well as in vivo experiments are presented.
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ژورنال
عنوان ژورنال: The Review of Laser Engineering
سال: 2007
ISSN: 0387-0200,1349-6603
DOI: 10.2184/lsj.35.210