{"id":5384,"date":"2020-09-15T17:14:00","date_gmt":"2020-09-15T21:14:00","guid":{"rendered":"https:\/\/www.advvisioncenters.com\/?p=5384"},"modified":"2025-08-29T17:20:53","modified_gmt":"2025-08-29T21:20:53","slug":"why-do-i-need-an-eye-test-for-eyesight-correction-or-lasik-surgery","status":"publish","type":"post","link":"https:\/\/www.advvisioncenters.com\/es\/blog\/why-do-i-need-an-eye-test-for-eyesight-correction-or-lasik-surgery\/","title":{"rendered":"\u00bfPor qu\u00e9 necesito un examen de la vista para la correcci\u00f3n de la visi\u00f3n o la cirug\u00eda LASIK?"},"content":{"rendered":"<p>Durante su visita a un cirujano ocular u oftalm\u00f3logo, le realizar\u00e1n un examen ocular para determinar qu\u00e9 <a href=\"https:\/\/www.advvisioncenters.com\/es\/\">correcci\u00f3n de la vista<\/a> No es necesario estudiar ni hacer nada especial antes de la prueba de la vista. Sin embargo, le recomendamos que duerma bien la noche anterior a su visita.<\/p>\n\n\n\n<p>La prueba de visi\u00f3n m\u00e1s com\u00fan que probablemente conozcas es la tabla optom\u00e9trica con todas esas letras. Las letras tienen varias l\u00edneas y se van haciendo cada vez m\u00e1s peque\u00f1as. Tu optometrista te pedir\u00e1 que leas varias filas de la tabla para determinar las letras m\u00e1s peque\u00f1as que puedes ver. Seg\u00fan los resultados de esta prueba, se establece una base para determinar tu agudeza visual.<\/p>\n\n\n\n<p>Otro tipo de prueba ocular que algunos oftalm\u00f3logos utilizan con pacientes j\u00f3venes que tal vez no conozcan todas las letras consiste en una en la que la letra \u201cE\u201d apunta en diferentes direcciones. El oftalm\u00f3logo le preguntar\u00e1 hacia d\u00f3nde apunta la \u201cE\u201d en varias filas. El resultado de la prueba es id\u00e9ntico al de la tabla optom\u00e9trica tradicional para determinar su agudeza visual.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00bfQu\u00e9 es la agudeza visual?<\/strong><\/h2>\n\n\n\n<p>La agudeza visual es la capacidad del ojo para enfocar objetos e im\u00e1genes est\u00e1ticos a diferentes distancias y la nitidez de su apariencia. Cuando los objetos e im\u00e1genes se ven n\u00edtidos y claros, significa que tienes una buena agudeza visual. En cambio, cuando los objetos e im\u00e1genes se ven borrosos o borrosos, significa que tu agudeza visual no es tan buena.<\/p>\n\n\n\n<p>Es importante se\u00f1alar que la agudeza visual es solo una parte para determinar la correcci\u00f3n visual que necesita. No es una medida ideal para determinar c\u00f3mo se ven los objetos e im\u00e1genes cuando est\u00e1n en movimiento, tienen niveles de brillo similares o presentan diferentes colores, tonos y matices.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00bfQu\u00e9 significa tener una visi\u00f3n \u201c20\/20\u201d?<\/strong><\/h2>\n\n\n\n<p>Es posible que su oftalm\u00f3logo le haya mencionado la visi\u00f3n &quot;20\/20&quot;. Esto significa que usted ve con claridad a una distancia de 20 pies (6 metros) de la tabla optom\u00e9trica. Normalmente, esta es la tercera o cuarta fila desde abajo en la tabla. Por lo tanto, si tiene visi\u00f3n &quot;20\/20&quot;, simplemente significa que puede ver objetos e im\u00e1genes de un tama\u00f1o determinado que la mayor\u00eda de las personas con visi\u00f3n sin correcci\u00f3n pueden ver a esa distancia.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00bfC\u00f3mo se eval\u00faa la visi\u00f3n de cerca?<\/strong><\/h2>\n\n\n\n<p>Adem\u00e1s de la tabla optom\u00e9trica tradicional, se puede realizar otro tipo de prueba de visi\u00f3n utilizando la tabla optom\u00e9trica de Jaeger. Esta tabla contiene p\u00e1rrafos cortos de texto que su oftalm\u00f3logo le pedir\u00e1 que lea. La tabla se coloca generalmente a unos 35 cm de sus ojos. El tama\u00f1o del texto que pueda leer ayudar\u00e1 a determinar su agudeza visual de cerca.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00bfQu\u00e9 informaci\u00f3n me proporcionan los ex\u00e1menes de la vista?<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Las pruebas de visi\u00f3n simplemente ayudan a su oftalm\u00f3logo a determinar qu\u00e9 tipo de correcci\u00f3n visual necesita. Por ejemplo, si sus pruebas de visi\u00f3n determinan que tiene una visi\u00f3n de 20\/40, le extender\u00e1n una receta para que pueda ver 20\/20 con gafas o lentes de contacto.<\/p>\n\n\n\n<p>En los casos en que usted est\u00e9 recibiendo <a href=\"https:\/\/www.advvisioncenters.com\/es\/services\/lasik-eye-surgery\/\">cirug\u00eda LASIK<\/a> Ya sea que se trate de otro tipo de cirug\u00eda ocular de correcci\u00f3n de la visi\u00f3n con l\u00e1ser, sus ex\u00e1menes de la vista ayudan a su cirujano ocular a saber qu\u00e9 tipos de correcciones deben realizarse en el ojo para mejorar su visi\u00f3n.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.advvisioncenters.com\/wp-content\/uploads\/optician-measuring-women-eyes-with-refractometer-768x512-2-300x200.jpg\" alt=\"\" class=\"wp-image-5389\" srcset=\"https:\/\/www.advvisioncenters.com\/wp-content\/uploads\/optician-measuring-women-eyes-with-refractometer-768x512-2-300x200.jpg 300w, https:\/\/www.advvisioncenters.com\/wp-content\/uploads\/optician-measuring-women-eyes-with-refractometer-768x512-2-270x180.jpg 270w, https:\/\/www.advvisioncenters.com\/wp-content\/uploads\/optician-measuring-women-eyes-with-refractometer-768x512-2-750x500.jpg 750w, https:\/\/www.advvisioncenters.com\/wp-content\/uploads\/optician-measuring-women-eyes-with-refractometer-768x512-2.jpg 768w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Adem\u00e1s de las pruebas de visi\u00f3n, su optometrista tambi\u00e9n utilizar\u00e1 otros m\u00e9todos para evaluar la percepci\u00f3n de profundidad, el contraste, la visi\u00f3n perif\u00e9rica y la percepci\u00f3n del color. Estas pruebas ayudan al oftalm\u00f3logo a determinar si usted tiene alg\u00fan problema ocular y qu\u00e9 graduaci\u00f3n o cirug\u00eda de correcci\u00f3n visual es la m\u00e1s adecuada.<\/p>\n\n\n\n<p>Para obtener m\u00e1s informaci\u00f3n sobre la cirug\u00eda LASIK y otras opciones de cirug\u00eda ocular correctiva, as\u00ed como sobre servicios generales de oftalmolog\u00eda, no dude en contactarnos. <a href=\"\/es\/locations\/\">Contacte con ADV Vision<\/a> Llame hoy al (805) 987-5300. Tenemos tres <a href=\"https:\/\/www.advvisioncenters.com\/es\/locations\/\">ubicaciones de oficinas<\/a> en la costa central de California, en San Luis Obispo, Santa Mar\u00eda y Paso Robles.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.advvisioncenters.com\/es\/request-an-appointment\/\">Solicite una consulta<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/8059875300\">\u00a1Ll\u00e1menos hoy!<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Durante su visita al cirujano ocular u oftalm\u00f3logo, le realizar\u00e1n un examen de la vista para determinar la correcci\u00f3n visual que necesita. No es necesario estudiar ni hacer nada especial antes del examen. Sin embargo, le recomendamos que duerma bien la noche anterior a su cita. [\u2026]<\/p>","protected":false},"author":2,"featured_media":5386,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[9],"tags":[34,242,138],"class_list":["post-5384","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lasik-eye-surgery","tag-eye-surgery","tag-eyesight-correction","tag-lasik-surgery"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why Do I Need an Eye Test for Laser Surgery | ADV Vision<\/title>\n<meta name=\"description\" content=\"ADV Vision Centers explains why you need an eye test for eyesight correction to get glasses or contract, as well as before LASIK surgery.\" \/>\n<meta name=\"robots\" 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