1.0North Suburban Eye Associates, P.C.https://www.northsuburbaneye.comariana.doradohttps://www.northsuburbaneye.com/blog/author/ariana-dorado/rich600338<blockquote class="wp-embedded-content" data-secret="vtNM3Mz7VV"><a href="https://www.northsuburbaneye.com/blog/uncategorized/what-causes-red-eye-in-flash-photography/">What Causes Red Eye in Flash Photography?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.northsuburbaneye.com/blog/uncategorized/what-causes-red-eye-in-flash-photography/embed/#?secret=vtNM3Mz7VV" width="600" height="338" title="“What Causes Red Eye in Flash Photography?” — North Suburban Eye Associates, P.C." data-secret="vtNM3Mz7VV" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); </script> https://www.northsuburbaneye.com/wp-content/uploads/2018/03/cameraflash-0-19135600-1365787701-100.jpg100100Have you ever wondered what causes eyes to appear red in photos? Usually this happens indoors or at night when the pupils are more dilated than usual. The light from camera flashes are generally located only a few inches from the camera's lens.