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Monday 30 September 2013
Thursday 26 September 2013
Telescopic Lenses Give You Superhero Vision
Imagine being able to magnify your vision by almost three times what it is now. It almost sounds like something out of a comic book or sci-fi film but it’s actually happening. Scientists have created new contact lenses that, when paired with specifically designed spectacles, can give the wearer telescopic vision.
At first, the lenses allow for regular vision, but once the users put on a pair of specially-designed 3D glasses, they can move to telescopic vision. The 3D glasses have been built with much of the same technology used by Samsung for the glasses accompanying their 3D TVs.
The 3D glasses have polarising filters that capture light and redirect it to a ring inside the lenses. This creates a magnified image for the person wearing them.
The lenses are scheduled for further testing in November to see if they are capable of treating eye health issues like macular degeneration, which is currently only treated with traditional spectacles or surgery.
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New Camera Sees for the Visually Impaired
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Technological advancements that address health issues or physical
injuries are often the most exciting. With much of the tech world going
ga-ga over Google Glass, it’s encouraging to see the technology and
design principles now being applied to aiding the blind or those with
various visual impairments. The OrCam
is an innovative new camera that can be placed on any pair of spectacle
frames where it will help the user understand what they are looking at,
picking up on its defining features and relaying the information via a
bone-conduction earpiece. “OrCam reads, recognizes faces, identifies
objects, products and places, locates bus numbers and monitors traffic
lights. It does all that with the most intuitive user interface you can
imagine,” explains the camera’s website and it does all of this by just
pointing your finger. Bone-conduction technology has previously been
used in hearing aids and even headphones. A small headset is worn on the
person’s head or around their jaw or temple with an electromechanical
transducer that breaks down the sound and converts electric signals into
mechanical vibrations that are sent to the ear via the cranial bones.
Technology used by the camera could also prove life-saving. While the
camera can read words and letters and recognize objects and faces, it
can also pick up on traffic lights. As the company’s website details,
the camera will recognize pedestrian crossing lights by their color and
shape so the wearer can safely cross the street. It’s a simple but vital
component of the camera, which also reads interactive bus signs and
timetables. The device can be of use to many different needs and not
just the visually impaired. The camera’s ability to read labels and
signs can be helpful to people with dyslexia or even dementia. The
camera, in many respects, mimics the human eye so it still requires a
well-lit area in which to function and cannot be used in the dark. The
device also relies on sound to convey its information through the
earpiece but can still be functional if the user requires a hearing aid.
OrCam began in 2010 with the plan to devise a gadget that could be of
real use to the people that really needed it. “We met with dozens of
visually impaired and blind individuals to find out what they miss the
most and designed our device to address those issues while keeping it
user friendly,” says the company. “We have assembled a team of
engineers, most of whom came from elite technological units of the IDF
and academia. Over the past three years, the system was developed,
tested and refined.” The company’s September shipment of OrCams is
already sold out but they anticipate a restock by the end of the year.
The camera is priced $2,500. Currently, OrCam is only available in
English but according to their website, the developers are working on
new languages for the device.
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