{"id":80,"date":"2019-03-01T19:24:00","date_gmt":"2019-03-01T19:24:00","guid":{"rendered":"https:\/\/arisvisionmexico.com\/cdmx\/index.php\/2019\/03\/01\/por-que-podemos-ver-mejor-con-luz-que-sin-ella\/"},"modified":"2022-04-19T07:15:47","modified_gmt":"2022-04-19T07:15:47","slug":"por-que-podemos-ver-mejor-con-luz-que-sin-ella","status":"publish","type":"post","link":"https:\/\/arisvisionmexico.com\/cdmx\/2019\/03\/por-que-podemos-ver-mejor-con-luz-que-sin-ella\/","title":{"rendered":"\u00bfPor qu\u00e9 podemos ver mejor con luz que sin ella?"},"content":{"rendered":"<div style=\"text-align: justify; text-justify: inter-ideograph;\"><b><span style=\"font-family: &quot;tahoma&quot; , sans-serif; font-size: 11.0pt;\">Continuaci\u00f3n\u2026<o:p><\/o:p><\/span><\/b><\/div>\n<div style=\"text-align: justify; text-justify: inter-ideograph;\"><b><span style=\"font-family: &quot;tahoma&quot; , sans-serif; font-size: 11.0pt;\"><br \/>\n<\/span><\/b><\/div>\n<div style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"font-family: &quot;tahoma&quot; , sans-serif; font-size: 11.0pt;\">La explicaci\u00f3n f\u00edsica<o:p><\/o:p><\/span><\/div>\n<div style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"font-family: &quot;tahoma&quot; , sans-serif; font-size: 11.0pt;\"><br \/>\n<\/span><\/div>\n<div style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"font-family: &quot;tahoma&quot; , sans-serif; font-size: 11.0pt;\">Gracias a los conos y bastones hemos podido explicar por qu\u00e9 perdemos la noci\u00f3n del color en la oscuridad, pero a\u00fan nos queda explicar por qu\u00e9 se vuelve todo m\u00e1s desenfocado. En este caso el desenfoque es un efecto puramente f\u00edsico. El encargado de enfocar los objetos es el cristalino, pero este funciona exactamente igual (de bien o de mal) en la oscuridad por lo que no es el causante de que vemos m\u00e1s borroso todo. Por curioso que parezca la responsable de este desenfoque es la pupila. <o:p><\/o:p><\/span><\/div>\n<div style=\"text-align: justify; text-justify: inter-ideograph;\"><\/div>\n<div style=\"clear: both; text-align: center;\"><a href=\"https:\/\/4.bp.blogspot.com\/-9jAuYmQgvkw\/XHRFbC6zcrI\/AAAAAAAACBo\/FQMKod2SbAcfbqAK1cxfz4VGgpAM6augQCLcBGAs\/s1600\/Un%2Bojo%2Bazul%2Ben%2Bla%2Boscuridad.jpg\" style=\"margin-left: 1em; margin-right: 1em;\"><img loading=\"lazy\" decoding=\"async\" border=\"0\" data-original-height=\"1000\" data-original-width=\"1600\" height=\"200\" src=\"https:\/\/4.bp.blogspot.com\/-9jAuYmQgvkw\/XHRFbC6zcrI\/AAAAAAAACBo\/FQMKod2SbAcfbqAK1cxfz4VGgpAM6augQCLcBGAs\/s320\/Un%2Bojo%2Bazul%2Ben%2Bla%2Boscuridad.jpg\" width=\"320\"><\/a><\/div>\n<div style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"font-family: &quot;tahoma&quot; , sans-serif; font-size: 11.0pt;\"><o:p><br \/>\n<\/o:p><\/span><\/div>\n<div style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"font-family: &quot;tahoma&quot; , sans-serif; font-size: 11.0pt;\">Cuanto m\u00e1s grande sea la pupila, m\u00e1s luz podr\u00e1 entrar, pero m\u00e1s borrosas ser\u00e1n las im\u00e1genes. En contraposici\u00f3n, al cerrarse permite el paso de menos fotones, pero aumenta la definici\u00f3n de las im\u00e1genes. \u00bfPor qu\u00e9? La explicaci\u00f3n es lo que se conoce como resoluci\u00f3n \u00f3ptica. Cuanto m\u00e1s peque\u00f1o es la pupila a trav\u00e9s del que miramos, m\u00e1s enfocado estar\u00e1 lo que vemos. Esto funciona porque limitamos el n\u00famero de direcciones que puede tener la luz que recibimos, como podemos ver en la imagen. Es decir, un punto de un objeto solo crea un punto de imagen en la retina pues su luz solo puede llegarnos en una direcci\u00f3n. El problema es que este bloqueo de luz hace que vemos m\u00e1s oscuro todo, lo cual no es problema en un d\u00eda soleado, pero s\u00ed en una habitaci\u00f3n a oscuras.<o:p><\/o:p><\/span><\/div>\n<div style=\"text-align: justify; text-justify: inter-ideograph;\"><\/div>\n<div style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"font-family: &quot;tahoma&quot; , sans-serif; font-size: 11.0pt;\">Prueba hacer un agujero muy peque\u00f1o con los dedos y mira a trav\u00e9s de \u00e9l, ver\u00e1s todo enfocado, aunque te pongas lentes o te los quites. Este truco lo utilizan los oftalm\u00f3logos cuando no vemos bien, para comprobar que el da\u00f1o est\u00e1 en el cristalino y no en la retina, ya que con una retina sana siempre veremos la imagen enfocada a trav\u00e9s de agujeros lo suficientemente peque\u00f1os.<o:p><\/o:p><\/span><\/div>\n<div style=\"text-align: justify; text-justify: inter-ideograph;\"><\/div>\n<div style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"font-family: &quot;tahoma&quot; , sans-serif; font-size: 11.0pt;\">Informaci\u00f3n de\u2026 https:\/\/bit.ly\/2Gw7HvG<o:p><\/o:p><\/span><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Continuaci\u00f3n\u2026 La explicaci\u00f3n f\u00edsica Gracias a los conos y bastones hemos podido explicar por qu\u00e9 perdemos la noci\u00f3n del color en la oscuridad, pero a\u00fan nos queda explicar por qu\u00e9 se vuelve todo m\u00e1s desenfocado. En este caso el desenfoque es un efecto puramente f\u00edsico. El encargado de enfocar los objetos es el cristalino, pero [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[19],"tags":[],"class_list":["post-80","post","type-post","status-publish","format-standard","hentry","category-generalidades"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/arisvisionmexico.com\/cdmx\/wp-json\/wp\/v2\/posts\/80","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arisvisionmexico.com\/cdmx\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arisvisionmexico.com\/cdmx\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arisvisionmexico.com\/cdmx\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/arisvisionmexico.com\/cdmx\/wp-json\/wp\/v2\/comments?post=80"}],"version-history":[{"count":2,"href":"https:\/\/arisvisionmexico.com\/cdmx\/wp-json\/wp\/v2\/posts\/80\/revisions"}],"predecessor-version":[{"id":1806,"href":"https:\/\/arisvisionmexico.com\/cdmx\/wp-json\/wp\/v2\/posts\/80\/revisions\/1806"}],"wp:attachment":[{"href":"https:\/\/arisvisionmexico.com\/cdmx\/wp-json\/wp\/v2\/media?parent=80"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arisvisionmexico.com\/cdmx\/wp-json\/wp\/v2\/categories?post=80"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arisvisionmexico.com\/cdmx\/wp-json\/wp\/v2\/tags?post=80"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}