{"id":5153,"date":"2025-05-05T16:33:27","date_gmt":"2025-05-05T19:33:27","guid":{"rendered":"https:\/\/sbrv.org\/paciente\/?post_type=doenca&#038;p=5153"},"modified":"2025-05-05T16:33:28","modified_gmt":"2025-05-05T19:33:28","slug":"distrofia-de-cones","status":"publish","type":"doenca","link":"https:\/\/sbrv.org\/paciente\/doencas-retina\/distrofia-de-cones\/","title":{"rendered":"Distrofia de Cones: O que \u00e9, Sintomas, Diagn\u00f3stico e Tratamentos | SBRV"},"content":{"rendered":"\n<p>\nGrupo de distrofias heredit\u00e1rias que afetam preferencialmente os cones da retina, levando \u00e0 perda precoce da acuidade visual central e altera\u00e7\u00e3o da percep\u00e7\u00e3o de cores.\n<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O QUE \u00c9<\/h2>\n\n\n\n<p>\nDegenera\u00e7\u00e3o prim\u00e1ria dos cones, com preserva\u00e7\u00e3o inicial dos bastonetes, resultando em vis\u00e3o central borrada, fotofobia e discromatopsia.\n<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CAUSAS<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Muta\u00e7\u00f5es nos genes <strong>CNGB3<\/strong>, <strong>ABCA4<\/strong>, <strong>RPGR<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">SINTOMAS<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Redu\u00e7\u00e3o da acuidade visual em luz ambiente (vis\u00e3o diurna).<\/li>\n\n\n\n<li>Dificuldade para distinguir cores (discromatopsia).<\/li>\n\n\n\n<li>Fotofobia intensa (avers\u00e3o \u00e0 luz).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">DIAGN\u00d3STICO<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ERG focal de cones:<\/strong> respostas reduzidas ou ausentes dos cones.<\/li>\n\n\n\n<li><strong>Teste de cores (Ishihara):<\/strong> identifica discromatopsia.<\/li>\n\n\n\n<li><strong>OCT:<\/strong> evidencia atrofia foveal e altera\u00e7\u00f5es na zona elipsoide.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">TRATAMENTO<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00d3culos escuros com filtro azul:<\/strong> aliviam fotofobia.<\/li>\n\n\n\n<li><strong>Suplementos antioxidantes:<\/strong> uso emp\u00edrico em alguns casos.<\/li>\n\n\n\n<li><strong>Terapias g\u00eanicas:<\/strong> em fase experimental para muta\u00e7\u00f5es espec\u00edficas.<\/li>\n<\/ul>\n","protected":false},"template":"","class_list":["post-5153","doenca","type-doenca","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Distrofia de Cones: O que \u00e9, Sintomas, Diagn\u00f3stico e Tratamentos | SBRV - SBRV - \u00c1rea do Paciente<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sbrv.org\/paciente\/doencas-retina\/distrofia-de-cones\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Distrofia de Cones: O que \u00e9, Sintomas, Diagn\u00f3stico e Tratamentos | SBRV - SBRV - \u00c1rea do Paciente\" \/>\n<meta property=\"og:description\" content=\"Grupo de distrofias heredit\u00e1rias que afetam preferencialmente os cones da retina, levando \u00e0 perda precoce da acuidade visual central e altera\u00e7\u00e3o da percep\u00e7\u00e3o de cores. 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