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<span style="font-family:Arial; mso-font-kerning:0pt" lang="EN-US">Digital
Development Department of Universal Eye Center has implemented
'National Taiwan University Random-dot Stereopsis (NTU RDS) Tests'
into cross-platform program that fits Windows, Android or Apple
systems.</span>
<div class="moz-forward-container">
<p class="MsoNormal"
style="mso-pagination:widow-orphan;layout-grid-mode:char;
mso-layout-grid-align:none"><span style="font-family:Arial;
mso-font-kerning:0pt" lang="EN-US"> </span></p>
<p class="MsoNormal"
style="mso-pagination:widow-orphan;layout-grid-mode:char;
mso-layout-grid-align:none"><span style="font-family:Arial;
mso-hansi-font-family:新細明體;mso-font-kerning:0pt" lang="EN-US">Program</span><span
style="font-family:Arial;mso-font-kerning:0pt" lang="EN-US"> <a
href="http://www.eyedoctor.com.tw/Stereopsis/"
moz-do-not-send="true">http://www.eyedoctor.com.tw/Stereopsis/</a>
includes two parts (1) Disparity stereopsis and (2) Motion
stereopsis.</span><span
style="font-family:Arial;mso-hansi-font-family:新細明體;mso-font-kerning:
0pt" lang="EN-US"></span></p>
<p class="MsoNormal"
style="margin-left:18.0pt;text-indent:-18.0pt;mso-pagination:
widow-orphan;mso-list:l0 level1 lfo2;tab-stops:list
18.0pt;layout-grid-mode: char;mso-layout-grid-align:none"><span
style="font-family:Wingdings;mso-fareast-font-family:Wingdings;mso-bidi-font-family:Wingdings;mso-font-kerning:0pt"
lang="EN-US"><span style="mso-list:Ignore">l<span
style="font:7.0pt "Times New Roman""> </span></span></span><span
style="font-family:Arial;mso-hansi-font-family:新細明體;mso-font-kerning:
0pt" lang="EN-US">Disparity stereopsis test includes 2 items </span><span
style="font-family:Arial;mso-font-kerning:0pt" lang="EN-US">(1)
300 sec-of-arc and (2) 35 min-of-arc.</span><span
style="font-family:Arial;mso-hansi-font-family:
新細明體;mso-font-kerning:0pt" lang="EN-US"></span></p>
<p class="MsoNormal"
style="margin-left:18.0pt;text-indent:-18.0pt;mso-pagination:
widow-orphan;mso-list:l0 level1 lfo2;tab-stops:list
18.0pt;layout-grid-mode: char;mso-layout-grid-align:none"><span
style="font-family:Wingdings;mso-fareast-font-family:Wingdings;mso-bidi-font-family:Wingdings;mso-font-kerning:0pt"
lang="EN-US"><span style="mso-list:Ignore">l<span
style="font:7.0pt "Times New Roman""> </span></span></span><span
style="font-family:Arial;mso-hansi-font-family:新細明體;mso-font-kerning:
0pt" lang="EN-US">Motion stereopsis test includes 3 items </span><span
style="font-family:Arial;mso-font-kerning:0pt" lang="EN-US">(1)
Disparity+Motion cues, (2) Disparity cue only and (3) Motion
cue only</span><span style="font-family:新細明體;
mso-ascii-font-family:Arial;mso-bidi-font-family:Arial;mso-font-kerning:0pt">。</span><span
style="font-family:Arial;mso-hansi-font-family:新細明體;mso-font-kerning:
0pt" lang="EN-US"></span></p>
<p class="MsoNormal"
style="margin-left:18.0pt;text-indent:-18.0pt;mso-pagination:
widow-orphan;mso-list:l0 level1 lfo2;tab-stops:list
18.0pt;layout-grid-mode: char;mso-layout-grid-align:none"><span
style="font-family:Wingdings;mso-fareast-font-family:Wingdings;mso-bidi-font-family:Wingdings;mso-font-kerning:0pt"
lang="EN-US"><span style="mso-list:Ignore">l<span
style="font:7.0pt "Times New Roman""> </span></span></span><span
style="font-family:Arial;mso-hansi-font-family:新細明體;mso-font-kerning:
0pt" lang="EN-US">There are video illustrations on the web
about disparity stereopsis and motion stereopsis.</span></p>
<p class="MsoNormal"
style="mso-pagination:widow-orphan;layout-grid-mode:char;
mso-layout-grid-align:none"><span style="font-family:Arial;
mso-font-kerning:0pt" lang="EN-US"> </span></p>
<p class="MsoNormal"
style="layout-grid-mode:char;mso-layout-grid-align:none"><span
style="font-family:Arial;mso-hansi-font-family:新細明體;mso-font-kerning:
0pt" lang="EN-US">Program</span><span
style="font-family:Arial;mso-font-kerning: 0pt" lang="EN-US">
<a href="http://www.eyedoctor.com.tw/Stereopsis_Screening/"
moz-do-not-send="true">http://www.eyedoctor.com.tw/Stereopsis_Screening/</a>
i</span><span
style="font-family:Arial;mso-hansi-font-family:新細明體;
mso-font-kerning:0pt" lang="EN-US">s National Taiwan
University 300 sec-of-arc Random-dot Stereopsis (NTU RDS)
Screening Test</span></p>
<p class="MsoNormal"
style="margin-left:18.0pt;text-indent:-18.0pt;mso-char-indent-count:
-1.5;mso-list:l1 level1 lfo1;tab-stops:list
18.0pt;layout-grid-mode:char; mso-layout-grid-align:none"><span
style="font-family:Wingdings;mso-fareast-font-family:Wingdings;mso-bidi-font-family:Wingdings"
lang="EN-US"><span style="mso-list:Ignore">l<span
style="font:7.0pt "Times New Roman""> </span></span></span><span
style="font-family:Arial" lang="EN-US">NTU RDS is a
4-alternative-forced-choice (4-AFC) test.</span></p>
<p class="MsoNormal"
style="margin-left:18.0pt;text-indent:-18.0pt;mso-char-indent-count:
-1.5;mso-list:l1 level1 lfo1;tab-stops:list
18.0pt;layout-grid-mode:char; mso-layout-grid-align:none"><span
style="font-family:Wingdings;mso-fareast-font-family:Wingdings;mso-bidi-font-family:Wingdings"
lang="EN-US"><span style="mso-list:Ignore">l<span
style="font:7.0pt "Times New Roman""> </span></span></span><span
style="font-family:Arial" lang="EN-US">The chance of correct
answer by guessing is 1/4.</span></p>
<p class="MsoNormal"
style="margin-left:18.0pt;text-indent:-18.0pt;mso-char-indent-count:
-1.5;mso-list:l1 level1 lfo1;tab-stops:list
18.0pt;layout-grid-mode:char; mso-layout-grid-align:none"><span
style="font-family:Wingdings;mso-fareast-font-family:Wingdings;mso-bidi-font-family:Wingdings"
lang="EN-US"><span style="mso-list:Ignore">l<span
style="font:7.0pt "Times New Roman""> </span></span></span><span
style="font-family:Arial" lang="EN-US">The visual screening of
preschool and school children in Taiwan includes (1) distance
visual acuity and (2) 300 sec-of-arc random-dot stereopsis
(NTU RDS).</span></p>
<p class="MsoNormal"
style="margin-left:18.0pt;text-indent:-18.0pt;mso-char-indent-count:
-1.5;mso-list:l1 level1 lfo1;tab-stops:list
18.0pt;layout-grid-mode:char; mso-layout-grid-align:none"><span
style="font-family:Wingdings;mso-fareast-font-family:Wingdings;mso-bidi-font-family:Wingdings"
lang="EN-US"><span style="mso-list:Ignore">l<span
style="font:7.0pt "Times New Roman""> </span></span></span><span
style="font-family:Arial" lang="EN-US">We set 5 consecutive
correct answers of NTU RDS test as pass criteria.</span></p>
<p class="MsoNormal"
style="margin-left:18.0pt;text-indent:-18.0pt;mso-char-indent-count:
-1.5;mso-list:l1 level1 lfo1;tab-stops:list
18.0pt;layout-grid-mode:char; mso-layout-grid-align:none"><span
style="font-family:Wingdings;mso-fareast-font-family:Wingdings;mso-bidi-font-family:Wingdings"
lang="EN-US"><span style="mso-list:Ignore">l<span
style="font:7.0pt "Times New Roman""> </span></span></span><span
style="font-family:Arial" lang="EN-US">The chance of 5
consecutive correct answers by guessing is 1/1024, (1/4)<sup>5</sup>.</span></p>
<p class="MsoNormal"
style="margin-left:18.0pt;text-indent:-18.0pt;mso-char-indent-count:
-1.5;mso-list:l1 level1 lfo1;tab-stops:list
18.0pt;layout-grid-mode:char; mso-layout-grid-align:none"><span
style="font-family:Wingdings;mso-fareast-font-family:Wingdings;mso-bidi-font-family:Wingdings"
lang="EN-US"><span style="mso-list:Ignore">l<span
style="font:7.0pt "Times New Roman""> </span></span></span><span
style="font-family:Arial" lang="EN-US">Random-dot stereopsis
test is effective in detecting symptom-free small-angle
esotropia and anisometropia.</span></p>
<p class="MsoNormal"
style="margin-left:18.0pt;text-indent:-18.0pt;mso-char-indent-count:
-1.5;mso-list:l1 level1 lfo1;tab-stops:list
18.0pt;layout-grid-mode:char; mso-layout-grid-align:none"><span
style="font-family:Wingdings;mso-fareast-font-family:Wingdings;mso-bidi-font-family:Wingdings"
lang="EN-US"><span style="mso-list:Ignore">l<span
style="font:7.0pt "Times New Roman""> </span></span></span><span
style="font-family:Arial" lang="EN-US">We now implement this
test as online app to share with you. Hope it helps your
clinical and screening works.</span></p>
<p class="MsoNormal"
style="margin-left:18.0pt;text-indent:-18.0pt;mso-char-indent-count:
-1.5;mso-pagination:widow-orphan;layout-grid-mode:char;mso-layout-grid-align:
none"><span style="font-family:Arial;mso-font-kerning:0pt"
lang="EN-US"> </span></p>
<p class="MsoNormal"
style="mso-pagination:widow-orphan;layout-grid-mode:char;
mso-layout-grid-align:none"><span style="font-family:Arial;
mso-font-kerning:0pt" lang="EN-US">For preverbal kids who can
not name the shapes we prepare a card with all 4 shapes to
match what they see in the random-dot stereograms.</span></p>
<p class="MsoNormal"
style="layout-grid-mode:char;mso-layout-grid-align:none"><span
style="font-family:Arial;mso-font-kerning:0pt" lang="EN-US"><img
src="cid:part3.83844B34.1949F285@ntu.edu.tw" class=""
width="306" height="431" border="0"></span><span
style="font-family: Arial" lang="EN-US"></span></p>
<p class="MsoNormal"
style="mso-pagination:widow-orphan;layout-grid-mode:char;
mso-layout-grid-align:none"><span style="font-family:Arial;
mso-font-kerning:0pt" lang="EN-US">Click the link below and
print this figure.</span></p>
<p class="MsoNormal"
style="mso-pagination:widow-orphan;layout-grid-mode:char;
mso-layout-grid-align:none"><span style="font-family:Arial;
mso-font-kerning:0pt" lang="EN-US"><a
href="https://drive.google.com/file/d/1Lx5UIF5qXKmLUA3zf0iAJiiFFJNrzdal/view?usp=sharing"
moz-do-not-send="true">https://drive.google.com/file/d/1Lx5UIF5qXKmLUA3zf0iAJiiFFJNrzdal/view?usp=sharing</a></span></p>
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<pre class="moz-signature" cols="72">--
Ai-Hou Wang, MD, PhD,
Dept of Ophthal, Natl Taiwan U Hospital
Email: <a class="moz-txt-link-abbreviated" href="mailto:ahwang@ntu.edu.tw">ahwang@ntu.edu.tw</a>
Web: <a class="moz-txt-link-freetext" href="http://ahwang.idv.st">http://ahwang.idv.st</a>
</pre>
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