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New Bionic Eye Could Restore Sight New Bionic Eye Could Restore Sight
Tuesday, April 08, 2008 - Ehud Rattner
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Researchers working for the Boston Retinal Implant Project have been developing a bionic eye implant that could restore the eye sight of people who suffer from age-related blindness. Although the bionic eye will only help individuals that were born with functional eyesight, the implant is expected to considerably improve their lives.

The chip is behind the retina at the back of the eyeball (Credit: Boston Retinal Implant Project) 
The chip behind the retina
at the back of the eyeball
(Credit: Boston Retinal Implant Project)
The implant is based on a small chip that is surgically implanted behind the retina, at the back of the eyeball. An ultra-thin wire strengthens the damaged optic nerve; its purpose is to transmit light and images to the brain's vision system, where it is normally processed. Other than the implanted chip and wire, most of the device sits outside the eye. The users would need to wear special eye glasses containing a tiny battery-powered camera and a transmitter, which would send images to the chip implanted behind the retina. The new device is expected to be quite durable, since the chip is enclosed in a titanium casing, making it both water-proof and corrosion-proof. The researchers estimate that the device will last for at least 10 years inside the eye. 

The scientists explain that the bionic eye will be affective for individuals who once had sight, since their brain knows how to process visual information. The unfortunate people who were born blind do not have the neurological capability to process the data received via the wire. Furthermore, the optic nerve must be at least partly functional. Otherwise, the data will not be fully processed. For many individuals that were born blind, this is a problem as well, since their optic nerve has never been used. However, most of these individuals have a natural compensation mechanism, in the form of enhanced senses, such as hearing and touch.  

 The Implant's Chip: General Model (Credit: The Boston Retinal Implant Project)
The Implant's Chip: General Model
(Credit: The Boston Retinal Implant Project)
Although the device will not be able to restore the eye sight of the entire blind community, researchers  are certain many people will benefit from the technology. For instance, age-related macular generation is the leading cause of blindness in the industrialized world, with about 2 million Americans currently suffering from the condition. The new technology will hopefully assist people suffering from this condition, and individuals suffering from retinitis pigmentosa (a genetic condition), but will not help glaucoma patients. 

The researchers note the device has some limitations, and it will not restore perfect vision. However, they are sure it will give people the advantage of having a general sense of their surroundings. Hopefully, the technology may enable people to recognize faces and facial expressions. "The thing is to significantly improve the quality of life for blind patients," said Joseph Rizzo of the Massachusetts Eye and Ear Infirmary, who has co-directed the project with MIT's John Wyatt since 1988.  

 Mock up design of camera mounted on a pair of sunglasses to be worn by the patient (Boston Retinal Implant Project)
Mock up design of camera mounted
on a pair of sunglasses to be
worn by the patient
(Boston Retinal Implant Project)
This summer, the researchers plan to test the implants on animals. Within the next few years, they hope to start performing human trails. Wyatt says: "What level of achievement that would actually be is hard to know; but the idea is of not having to use the white cane - to walk around, find the sidewalk, avoiding a telephone pole. Being able to navigate safely in an unfamiliar environment, that's the big topic." 

TFOT has covered the discovery of the last retinal movement-detecting cell and the latest stem-cell research that has improved our understanding of blindness. Another article recently published by TFOT deals with mind controlled bionic limbs, which were designed to assist disabled people in their daily lives. 

Thirty six researchers joined collaborated on The Boston Retinal Implant Project, including scientists from MIT, the Massachusetts Eye and Ear Infirmary, and the V.A. Medical Center in Boston. For more information about the project, see the Boston Retinal Implant Project website.

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Comments & Replies (24)
R.O.P   (01/18/09 - 21:54 - by siria hurtado)
is there any posiibility that in the future people who were born blind
could be eligable to the bionic eye.
and can it work for example on people who have R.O.P ?
glaucoma blindness   (03/07/09 - 14:16 - by eglok)
if you can still see a shadow can this help?
Glaucoma Blindness   (04/08/09 - 14:51 - by Sandra Moss)
My aunt blindness was caused by diabetes. Is there any chance the
bionic eye can help her?
bionic eye   (04/22/09 - 15:31 - by perparim malaj)
i am a 25 year old male, i was born normal, but in my teenage years i
damaged my right eye, is there any possible way for me to get more
info and if there is a way for me to get my sight back, please contact
me at 216-355-0909 or eglovan2001@yahoo.com with any info you might
have. thank you very much, hope to hear from you soon, thanx.
whatever   (04/30/09 - 12:23 - by Kasey that not name )
who cares about u peoples problems stop complaining
Info on candidates for bionic eye resear   (06/16/09 - 20:34 - by Bob Maberry)
Is there a program that uses volenteers for the bionic eye research
trials? I would appreciate any information on this subject, as I am
blind, but not from birth. I had eye trama, a cornia transplant which
was successful, but a problem with the pressure caused blindness.
Interesting, the future?   (06/21/09 - 23:30 - by Nick Webb)
This is fantastic and very interesting. Last I heard the vision is in
64 bit. That being said wasn't it only 16 bit at best a year or two
ago. So imagine what the possibilities for this in 5 years? The
ability to read normal or slightly larger print? How about COLOR in
10? Heck at that rate we are looking the possibility of improved
vision beyond what an organic eye can perceive. Imagine what future
this or other companies can provide. We have seen all frontiers from
land, to the human body, to space. Now I think it's time to conquer
them.
Bionic Eye   (06/22/09 - 23:25 - by Sherry )
Hello I was wondering if there is somewhere I can find more
information on this and the possiblity of getting some help for my
uncle who has Macular Degeneration. Thank You
Bionic Eye    (07/09/09 - 10:26 - by Jay)
my ancle's blindness is cause by diabetes. can bionice eye help him to
see again. if you have any information or where i can get more
information please e-mail at c199022@yahoo.com.
thank you so much
Bionic Eyes   (07/11/09 - 11:32 - by Daria Bannerman)
I have Retinopathy of Prematurity; I have only light perception and
facial vision. Would I be a good candidate for this procedure? Please
contact my mother, Pamela Bannerman, at:
910-231-9116.
retina detachment and cataract   (07/17/09 - 7:49 - by frustrated)
i am a 21year old male who has had a detachment in both eyes. I am
totally blind in one eye and limited vision in the other with a
cataract.Is there help?
Macular degeneration   (07/27/09 - 21:19 - by eperry)
My father is a healthy 93. He has asked for the bionic eye since he
first learned of it. So far, I understand it is not used for
MDegeneration, Could this change?
My Mother has Retinitis Pigmentosa, Help   (08/01/09 - 12:24 - by Uwa Ogbebor)
My mother was diagnosed with retinitis pigmentosa in 1998, and now she
is completely blind. She is only 70yrs old. My brother stumbled on
your website and forwarded to me, please let me know if there is any
way you can help her. We want her to see again. This is when she
should be enjoying the fruits of her labor for 7 grown kids, but she
could not even enjoy her son's wedding, and weeps because she cannot
see his new wife or her grandkids. She says she sees shadows, but not
actual objects,she says everywhere is white. We can do trials and all.
Please let me know if there is hope at osagie19641@verizon.net or you
can call me at 617-216-1955. I am willing and ready to meet with your
office anyday, anytime.
Best Wishes
retinitis pigmentosa   (08/15/09 - 10:28 - by Gulamahmad Patel)
My sister is suffering from retinitis pigmentosa since she was 6 years
old and now she is 36. She can not see at all. Is there any cure?
just want to know   (08/29/09 - 17:30 - by Brook beaty)
How much would i cost someone to get a bionic eye. do you have
clinical studies
Bionic eye for RP?   (09/08/09 - 21:58 - by Rose Wells)
My father has Retinitis Pigmentosa. His vision began narrowing around
age 40. He still has a very small amount of vision. Can the bionic eye
help him? He is now 78. How can we get on a trial list?
glaucoma   (09/10/09 - 11:49 - by Fernando)
I would like to know if this system may be used to glaucomas pacient?
doctor didnt say   (09/12/09 - 3:09 - by parimala)
my mother is 40y .in one of her eyes nerves are not working.doctor
didnt say what,where the exact problem is .can you please suggest me
any solution
jst want to know   (09/18/09 - 9:28 - by uma)
my daughter is suffering from optic disc pit.is there any cure...
ITGS Mr. Connolly's class   (09/23/09 - 12:03 - by Stephanie O'Bri)
The Bionic Eye

This is an eye that helps people who are now blind, but could once see
to see again. It only works with some types of blind people, depending
on your cause of blindness. Basically it surgically implants a chip
behind your retina, and transmits light images into the brain's vision
system. Special glasses with a camera and a transmitter also have to
be worn.

Section 1: people and machines

section 2: images, sound and presentation

section 3: health
your info   (09/24/09 - 23:40 - by matthew)
Please people, I know you are very desirous of a cure but please don't
leave your name and phone numbers in the comments of this article.
Fraudulent people can use your info to trick you and do cruel things.
Please site admin erase these folks info.
EYE   (10/06/09 - 10:44 - by justin)
in 15 i just want a freaking bionic eye
Macular degeneration   (11/18/09 - 9:21 - by Jean)
Will the bionic eye, the retinal implant, help those who have early
macular degeneration???
Rod Cone dystrophy   (11/18/09 - 9:23 - by Hazel)
My son has rod cone dystrophy, retinitis pigmentosa and is gradually
losing his sight. Will this device work on someone with his history???

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