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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
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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:
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          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
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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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