A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The Blind May See - In The Dark
A number of companies and research laboratories are working on optical prostheses; devices that are actually implanted in the eye of a person who is unable to see. Diseases like macular degeneration, in which ise retina starts to peel away from the back of the eye, may be ameliorated by implanted devices that stimulate the retina electronically.
(From Diagram of the Eye - NIH)
A serious limitation of the devices used so far, which rely on a video signal translated into a small matrix of dots, is that it is difficult for patients to "see" reliably with the devices. They see shapes far better than fine details, like the print of a newspaper.
One optical prosthesis makes use of microbolometers that are able to detect far-infrared radation. Recent advances allow such devices to work at room temperatures. This sensor responds to heat energy; its information is combined with visible light picked up by sensors in a special pair of glasses worn by the patient.
The advantage of bringing far-infrared radiation into the device for the patient is that it works in very low light conditions where contrast is poor. Objects of different temperatures would stand out clearly.
In a two-hour operation, the patient's intraocular lens is removed, and the light sensing device is put in its place. This light sensor is about twice the size of a match head. The back of the sensor is connected to a polymer filament embedded with wires. The filament terminates at a small disk with controls and an array of electrodes, which translate the information from the sensors into electrical signals which are perceived by the retina.
The end result is that a blind person with this device could actually see a black cat in a coal cellar at midnight, using the cat's body heat.
Science fiction author Bruce Sterling wrote about optic television in his 1984 story Twenty Evocations:
"It was astonishing how much room there was in an eye socket, when you stopped to think about it... Nikolai had some other devices installed: a clock, a biofeedback monitor..." (More)
See Vision Quest for more details.
Note: I had one reader object to this article, implying that this just gives false hope to people who have a real disease. This story was not intended to be funny, or cute. (Yes, it does have a striking - but true - title.) It is about a real company that is using solid science to solve a real problem. This story was taken primarily from a reputable online magazine. It is true that this magazine is not a peer-reviewed medical journal. However, I checked out the company quoted as using far-infrared technology; they do have a website representing an incorporated business. The company is Advanced Medical Electronics Corporation. Their website includes full contact information, including the names, phone numbers and email addresses of people you can talk with in their company. The website also states that their technologies were developed with support from the National Institute of Health.
On my site, I have lots of fun with science fiction, which can be irreverent or serious at the whim of the writer. I think I'm usually pretty serious about science, though - and I don't joke about subjects like this. -ed..
Scroll down for more stories in the same category. (Story submitted 5/12/2004)
Follow this kind of news @Technovelgy.
| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |
you like to contribute a story tip?
Get the URL of the story, and the related sf author, and add
Comment/Join discussion ( 9 )
Related News Stories -
Prototype 3D Printer Could Print Arteries In Seconds
'... in the tank the new body and the new mind and memory and life has taken almost instant form.' - Clifford Simak, 1963.
NextSense Earbuds Spy On Your Brain
'Your cephalochromoscope that cost you nine hundred dollars... colors and ceph patterns...' - Philip K. Dick, 1977.
Do Contagious Vaccines Work Better?
'...suppose we do plant an epidemic of Nine-Day Fever in Zone Red.' - Robert Heinlein, 1952.
Artificial, Implantable Kidney Prototype
'George Walt's corporate existence proved the workability of wholly mechanical organs...' - Philip K. Dick, 1964.
Technovelgy (that's tech-novel-gee!)
is devoted to the creative science inventions and ideas of sf authors. Look for
the Invention Category that interests
you, the Glossary, the Invention
Timeline, or see what's New.
Could Increased Space Rocketry Damage The Ozone Layer?
'...without burning a single hydrocarbon molecule to injure the diseased atmosphere any further.'
Dyson's Secret Household Robots
'...work a human being does around a house.'
Festo BionicSwift Bird Robots Described In 1930
'Bird-like robots now descended from the ceiling of the theatre...'
Robotics Jobs In The Food Industry
'The efficient robot waiter of the Sky Club had cleared away the remnants of an epicurean meal.'
Prototype 3D Printer Could Print Arteries In Seconds
'...in the tank the new body and the new mind and memory and life has taken almost instant form.'
China Wants 'Hard Kill' Capability To Counter Starlink Satellites
'pirate three-vee satellites sanded out of orbit...'
Low-Cost Gel Pulls Water From Atmosphere Like Star Wars Vaporator
'The atmosphere yielded its moisture with reluctance. It had to be coaxed down...'
Pixy Flying Selfie Drone From Snap
'It hovered behind him like a large tame bee.'
Smallest Remote-Controlled Walking Robot Crabs
A robot 'as big as a dust grain.'
Pleasure Model Replicants Now Available
'Want a life-companion... sir, I can get you up any style you want.'
Robot Covered In Living Human Skin
'Hey buddy, you got a dead cat in there or what?'
Dall-E 2 Creates Art To Order
'Something different,' she said. 'Maybe a combined Miro and Goya.'
SpaceX Rocket Quick Reaction Force
'... the ship went into free flight, arching in a high parabola.'
Do AIs Create Their Own Language?
'the Mentanicals have begun to acquire a faculty not primarily given them by their inventors — the faculty of speech...'
Vortex Rings Of Light
'He pressed the release button, and from the inch-wide muzzle a stream of blue-glowing rings sprang...'
Google Engineer Convinced LaMDA Chatbot Is Sentient, Is Sent Home
'Whether we are based on carbon or silicon should make no difference.'
More SF in the News Stories
More Beyond Technovelgy science news stories