{"id":4219,"date":"2023-06-14T10:07:15","date_gmt":"2023-06-14T08:07:15","guid":{"rendered":"https:\/\/t21learning.institutlejeune.org\/?p=4219"},"modified":"2023-11-22T17:03:33","modified_gmt":"2023-11-22T16:03:33","slug":"vision-disorders-trisomy-21","status":"publish","type":"post","link":"https:\/\/t21learning.institutlejeune.org\/en\/vision-disorders-trisomy-21\/","title":{"rendered":"Vision disorders in individuals with trisomy 21"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4219\" class=\"elementor elementor-4219\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bcd2501 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bcd2501\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3d33776\" data-id=\"3d33776\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-739d8ae elementor-widget elementor-widget-text-editor\" data-id=\"739d8ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>OPHTHALMOLOGICAL PATHOLOGIES<\/strong><\/p><p><strong>\u00a0<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3e818e elementor-widget elementor-widget-heading\" data-id=\"f3e818e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Vision disorders<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-94c524a elementor-widget elementor-widget-spacer\" data-id=\"94c524a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4166f5b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4166f5b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-a2f6aac\" data-id=\"a2f6aac\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-68055fa elementor-widget elementor-widget-image\" data-id=\"68055fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"932\" height=\"572\" src=\"https:\/\/t21learning.institutlejeune.org\/wp-content\/uploads\/2023\/06\/troubles_vision-1.jpeg\" class=\"attachment-large size-large wp-image-3815\" alt=\"troubles_vision_trisomie_21\" srcset=\"https:\/\/t21learning.institutlejeune.org\/wp-content\/uploads\/2023\/06\/troubles_vision-1.jpeg 932w, https:\/\/t21learning.institutlejeune.org\/wp-content\/uploads\/2023\/06\/troubles_vision-1-300x184.jpeg 300w, https:\/\/t21learning.institutlejeune.org\/wp-content\/uploads\/2023\/06\/troubles_vision-1-768x471.jpeg 768w\" sizes=\"(max-width: 932px) 100vw, 932px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-a45ba83\" data-id=\"a45ba83\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0b55b99 elementor-widget elementor-widget-toggle\" data-id=\"0b55b99\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1181\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1181\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">OUTLINE CHAPTER<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1181\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1181\"><p><a href=\"https:\/\/t21learning.institutlejeune.org\/en\/the-eye-and-vision-in-individuals-with-trisomy-21\/\">1- The eye and vision<\/a><\/p><p>\u00a0<\/p><p><a href=\"https:\/\/t21learning.institutlejeune.org\/en\/related-pathologies-of-the-eyes-in-individuals-with-trisomy-21\/\">2- Related pathologies of the eye<\/a><\/p><p>\u00a0<\/p><p><strong><a href=\"https:\/\/t21learning.institutlejeune.org\/en\/vision-disorders-trisomy-21\/\">3- Vision disorders<\/a><\/strong><\/p><p>\u00a0<\/p><p><a href=\"https:\/\/t21learning.institutlejeune.org\/en\/anterior-segment-eye-diseases-trisomy-21\/\">4- Anterior segment eye diseases<\/a><\/p><p>\u00a0<\/p><p><a href=\"https:\/\/t21learning.institutlejeune.org\/en\/posterior-segment-eye-diseases-in-individuals-with-trisomy-21\/\">5- Posterior segment eye diseases<\/a><\/p><p>\u00a0<\/p><p><a href=\"https:\/\/t21learning.institutlejeune.org\/en\/neuro-ophthalmology-and-trisomy-21\/\">6- Neuro-ophtalmology<\/a><\/p><p>\u00a0<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-da3cd7c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"da3cd7c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-18c48beb\" data-id=\"18c48beb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6b33d20 elementor-widget elementor-widget-spacer\" data-id=\"6b33d20\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3acff4c elementor-widget elementor-widget-text-editor\" data-id=\"3acff4c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The frequency of visual impairment in adults and children with Down&#8217;s syndrome is explained by the high prevalence of refractive disorders (hypermetropia, myopia, astigmatism, etc.), the presence of accommodation disorders (present in 2 to 3 cases out of 4 in the Down&#8217;s syndrome population) and the existence of a significant drop in visual acuity from childhood onwards.<\/p><p>\u00a0<\/p><p>Dr. Herv\u00e9 Walti, pediatrician at the Institut J\u00e9r\u00f4me Lejeune, talks to us about this in the video and the accompanying data sheet, making up the third part of our chapter dedicated to ophthalmological pathologies in people with trisomy 21. To read the entire chapter, click on the links on the right of the page.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-985d68f elementor-widget elementor-widget-spacer\" data-id=\"985d68f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed6e280 elementor-widget elementor-widget-video\" data-id=\"ed6e280\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/PsyrITTx7Ls&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-00b7a78 elementor-widget elementor-widget-spacer\" data-id=\"00b7a78\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c78de05 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"c78de05\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/t21learning.institutlejeune.org\/wp-content\/uploads\/2023\/08\/3.3-Vision-Disorders-EN.pdf\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Download the Summary Sheet<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f3b485 elementor-widget elementor-widget-spacer\" data-id=\"2f3b485\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-09d9e5d elementor-widget elementor-widget-text-editor\" data-id=\"09d9e5d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Discover below the presentation associated with this video on the subject of &#8220;Ophthalmological pathologies&#8221;.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-057dae3 elementor-widget elementor-widget-spacer\" data-id=\"057dae3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-143e96e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"143e96e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c694926\" data-id=\"c694926\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-359107c elementor-widget elementor-widget-shortcode\" data-id=\"359107c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><div class=\"_df_book df-lite\" id=\"df_4187\"  _slug=\"3-3-troubles-de-la-vision-en\" data-title=\"3-3-troubles-de-la-vision-en\" wpoptions=\"true\" thumbtype=\"\" ><\/div><script class=\"df-shortcode-script\" nowprocket type=\"application\/javascript\">window.option_df_4187 = {\"outline\":[],\"autoEnableOutline\":\"false\",\"autoEnableThumbnail\":\"false\",\"overwritePDFOutline\":\"false\",\"direction\":\"1\",\"pageSize\":\"0\",\"source\":\"https:\\\/\\\/t21learning.institutlejeune.org\\\/wp-content\\\/uploads\\\/2023\\\/06\\\/3_TROUBLES-VISION_VFPN-eng.pdf\",\"wpOptions\":\"true\"}; if(window.DFLIP && window.DFLIP.parseBooks){window.DFLIP.parseBooks();}<\/script><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2be0201 elementor-widget elementor-widget-spacer\" data-id=\"2be0201\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-951e00c elementor-align-justify btn-refs elementor-widget elementor-widget-button\" data-id=\"951e00c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">See references<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-6baa099 div-refs div-refs-closed elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6baa099\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-31e7439\" data-id=\"31e7439\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0f102ca elementor-widget elementor-widget-text-editor\" data-id=\"0f102ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Afifi HH, Abdel Azeem AA, El-Bassyouni HT, Gheith ME, Rizk A, Bateman JB. Distinct ocular expression in infants and children with Down syndrome in Cairo, Egypt: myopia and heart disease. JAMA Ophthalmol. 2013 Aug;131(8):1057-66.<\/li><li>Al-Bagdady M, Stewart RE, Watts P, Murphy PJ, Woodhouse JM. Bifocals and Down&#8217;s syndrome: correction or treatment? Ophthalmic Physiol Opt. 2009 Jul;29(4):416-21.<\/li><li>Al-Bagdady M, Murphy PJ, Woodhouse JM. Development and distribution of refractive error in children with Down&#8217;s syndrome. Br J Ophthalmol. 2011. Aug;95(8):1091-7.<\/li><li>Anderson HA, Manny RE, Glasser A, Stuebing KK. Static and dynamic measurements of accommodation in individuals with down syndrome. Invest Ophthalmol Vis Sci. 2011 Jan 5;52(1):310-7.<\/li><li>Bromham NR, Woodhouse JM, Cregg M, Webb E, Fraser WI. Heart defects and ocular anomalies in children with Down&#8217;s syndrome. Br J Ophthalmol. 2002 Dec;86(12):1367-8. .<\/li><li>Courage ML, Adams RJ, Reyno S, Kwa PG. Visual acuity in infants and children with Down syndrome. Dev Med Child Neurol. 1994 Jul;36(7):586-93.<\/li><li>Courage ML, Adams RJ, Hall EJ. Contrast sensitivity in infants and children with Down syndrome. Vision Res. 1997 Jun;37(11):1545-55.<\/li><li>Cregg M, Woodhouse JM, Pakeman VH, Saunders KJ, Gunter HL, Parker M, Fraser WI, Sastry P. Accommodation and refractive error in children with Down syndrome: cross-sectional and longitudinal studies. Invest Ophthalmol Vis Sci. 2001 Jan;42(1):55-63.<\/li><li>Cregg M, Woodhouse JM, Stewart RE, Pakeman VH, Bromham NR, Gunter HL, Trojanowska L, Parker M, Fraser WI. Development of refractive error and strabismus in children with Down syndrome. Invest Ophthalmol Vis Sci. 2003 Mar;44(3):1023-30.<\/li><li>da Cunha RP, Moreira JB. Ocular findings in Down&#8217;s syndrome. Am J Ophthalmol. 1996 Aug;122(2):236-44.<\/li><li>Doyle L, Saunders KJ, Little JA. Trying to see, failing to focus : near visual impairment in Down syndrome. Sci Rep. 2016 Feb 5;6:20444.<\/li><li>Fong AH, Shum J, Ng AL, Li KK, McGhee S, Wong D. Prevalence of ocular abnormalities in adults with Down syndrome in Hong Kong. Br J Ophthalmol. 2013 Apr;97(4):423-8.<\/li><li>Hashemi H, Mehravaran S, Asgari S, Dehghanian Nasrabadi F. Refractive and Vision Status in Down Syndrome: A Comparative Study. Turk J Ophthalmol. 2021 Aug 27;51(4):199-205.<\/li><li>Haugen OH, H\u00f8vding G, Eide GE. Biometric measurements of the eyes in teenagers and young adults with Down syndrome. Acta Ophthalmol Scand. 2001 Dec;79(6):616-25.<\/li><li>Haugen OH, H\u00f8vding G, Lundstr\u00f6m I. Refractive development in children with Down&#8217;s syndrome: a population based, longitudinal study. Br J Ophthalmol. 2001 Jun;85(6):714-9.<\/li><li>John FM, Bromham NR, Woodhouse JM, Candy TR. Spatial vision deficits in infants and children with Down syndrome. 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