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<p><!-- Make sure you modify the 4Cast title in this section -->
<span style="font-size: 20px; font-weight: bold;
color: rgb(0, 0, 0); font-family: arial;
line-height: 110%;">OPLIN 4Cast #315: Eye of the
reader</span><br>
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<span style="font-size: 11px; font-weight: normal;
color: rgb(102, 102, 102); font-style: italic;
font-family: arial;">January 2nd, 2013</span></p>
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<p style="text-align: justify;font-size: 16px;
font-family: arial; line-height: 110%;"><img
style="margin-right: 10px;" alt="eye chart"
src="cid:part4.06050502.06030208@oplin.org"
height="100" width="96" align="left">Christmas
2012 saw very heavy sales of tablet computers,
which some say is <a
href="http://www.techmeme.com/121221/p11#a121221p11">bad
news</a> for e-readers. Why buy a device that is
designed for nothing but reading books, especially
when tablets (and smartphones) keep getting
cheaper? You can't even watch a video on an
e-reader! But there is one thing e-readers might
have going for them; many people believe they're
easier on the eyes because they use e-ink. Other
folks, however, argue that the e-ink eye strain
advantage is just a myth. And while some mobile
devices may soon offer an extra e-ink screen, it's
not because of our eyes.
</p>
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<ul style="text-align: left;">
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="http://www.geek.com/articles/chips/lcd-panel-with-5-second-refresh-designed-to-stop-eye-strain-2012117/">LCD
panel with 5 second refresh designed to stop
eye strain</a> (Geek.com/Matthew Humphries)
"The panel stops eye strain by greatly reducing
the refresh rate of the screen. Typically this
can be 60 times per second for a normal LCD.
With a still image, SEL [Semiconductor Energy
Laboratory] only needs to refresh this new panel
once every 5 seconds. The backlight has also
been tweaked so as not to produce light that has
a wavelength below 420nm-light that is thought
to harm your eyes. The end result is a panel
that is very easy on your eyes yet still capable
of performing like a typical LCD."</li>
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="http://www.engadget.com/2012/12/12/yota-devices-dual-screen-smartphone/">Russian
YotaPhone promises dual 4.3-inch LCD and E Ink
displays in Q3 of next year</a>
(Engadget/Sharif Sakr) "At the same time, Yota's
own pre-installed software will pull
notifications from the OS and allow them to stay
up on the rear display for as long as they're
needed, while placing almost no added burden on
the 2,100mAh battery. By divvying up labor this
way, the company says it can boost battery life
by at least 50 percent, while also improving
readability in direct sunlight and allowing the
time, messages, and other notifications to
always be visible at a glance."</li>
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="http://www.wired.com/design/2012/11/popslate-e-ink-phone-case/">E-ink
case turns the back of your phone into a
second screen</a> (Wired/Tim Maly) "Like all
e-ink screens, it only consumes power when the
display is changed. This allows for an always-on
ambient visual interface. What can you do with a
second screen on the back of your phone? A lot,
it turns out. The most basic application is
personalization. You can put pictures there and
other people can look at them."</li>
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="http://www.the-digital-reader.com/2012/10/02/new-study-suggests-e-ink-is-not-better-for-your-eyes-than-lcds/">New
study suggests E-ink is NOT better for your
eyes than LCDs</a> (The Digital Reader/Nate
Hoffelder) "The results from the visual fatigue
query were fairly close, though the LCD did rate
marginally higher. Even the reading speed was
virtually identical. In fact, the only major
difference was when the test subjects were
queried about general fatigue. LCD test subjects
reported a higher general fatigue level than did
E-ink test subjects, but that could be due to
the size and weight of the iPad. E-ink is often
described as being just like reading on paper,
and that's why the scientists were surprised to
discover that the results were so similar."</li>
</ul>
<div style="text-align: left;"> </div>
<p style="text-align: left; font-size: 20px;
font-family: arial; line-height: 110%;"><small><strong><em>Ultraviolet
fact:</em></strong></small><br>
</p>
<div style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;">The
reference to "below 420nm" (420 nanometer) light
wavelength in the first article means the LCD
panel does not produce ultraviolet light, which
can be harmful to your eyes (and the reason we're
supposed to wear sunglasses in the summer).
</div>
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