Due to the limited number of electrodes, patients would only be able to discern light or dark, but most have reported better functionality with the device -- being able to make out the shape of a curb while walking, or discerning between light, grey or dark colored socks, for instance.
"The good news is that people who stay up late in front of the television and computer may be able to undo some of the harmful effects just by going back to a regular light-dark cycle and minimizing their exposure to artificial light at night, " Bedrosian says.
On the other, the place where light and dark green had merged becomes blurred, diffused by the light itself.
The festival links yin and yang, the qualities of light and dark or cold and warmth (among others) to the waxing and waning of the sun's light.
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Roxanne takes two similar looking bracelets, both containing varying shades of light and dark green.
Light and dark cycles cause changes in levels of brain chemicals such as melatonin.
This week, the Internet puts its power on display, of both the light and dark variety.
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They were exposed to flickering images with different levels of contrasts between light and dark.
Without help from the label text, you might miss the ribcage parallel light and dark lines.
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My candles are burning all over this land, light the dark road for the man passing by.
Some of the early patients testing the device said they could distinguish boundaries between objects and differentiate light from dark.
Each mirror acts as a beam-steering device, controlling whether a single picture element (pixel) in the image is light or dark.
Dr Pey, who is registered blind and can only distinguish between light and dark, described the experience on 2 February as "distressing".
Russian speakers, who make an extra distinction between light and dark blues in their language, are better able to visually discriminate shades of blue.
What's exceptional is the orchestration of color, form, light and dark (lots of dark), 3-D technology and digital effects into a look that amounts to a vision.
The i2757fh can display 16.7 million colors, while its 50, 000, 000:1 Dynamic Contrast Ratio provides accurate color reproduction when displaying images with extreme differences between light and dark.
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The first stage cycles through levels of brightness in the image to see which features, such as logos, circles or ridges, persist at extremes of light and dark.
Over the eight-week period of the experiment the mice in the first and third groups gained almost 50% more weight than those exposed to the natural light-dark cycle.
The sequence of woodland vistas, the revelations of scale and distance, light and dark, building and nature, land and water, as one approaches the entrance, were superbly orchestrated by Wright.
They are the fantastic play of light and dark from a feverish mind that perceived acutely the driving issues of its time, but could wage war only with the tools of the artist.
Once in Naples, Caravaggio fitted in like a native, embracing the metropolis that was three times the size of Rome, riven by extremes of wealth and poverty, light and dark, palazzi and shantytowns.
One wore a dark baseball cap, a light collarless shirt and a dark-colored jacket.
He could light up a dark room, always making people laugh because of his great personality.
Everything was sweetness and light, nothing dark, not even his arrest in Japan.
The Unite union said the committee had "begun to shine a light on the dark side of the construction industry".
They are available in ten colors, including black, white, red, pink, light brown, dark gray, yellow, purple, orange and green.
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Many a famous British artist has tumbled down those stairs into the Soho streets to be amazed that it was light (or dark).
Torchieres or floor lamps with an upward glow or more traditional shade brighten corners and reading nooks and add extra light to a dark room.
Peromyscus, too, comes in light- and dark-coat varieties as a result.
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