{"id":7113,"date":"2022-06-05T14:06:38","date_gmt":"2022-06-05T14:06:38","guid":{"rendered":"https:\/\/daivings.lv\/?p=7113"},"modified":"2022-06-05T14:07:31","modified_gmt":"2022-06-05T14:07:31","slug":"ka-mainas-cilveka-redze-zem-udens","status":"publish","type":"post","link":"https:\/\/daivings.lv\/en\/what-changes-a-persons-sight-under-water\/","title":{"rendered":"How does a person&#039;s vision change underwater?"},"content":{"rendered":"<p>The answer to the question &quot;How does a person&#039;s vision change underwater?&quot; prepared by diving club &quot;Diving&quot; diver Margarita Zommere.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Contents\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/daivings.lv\/en\/what-changes-a-persons-sight-under-water\/#Gaismas_lausanas_koeficienti_udeni\" >Refraction coefficients of light in water<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/daivings.lv\/en\/what-changes-a-persons-sight-under-water\/#Kas_notiek_ar_krasam_zem_udens_ka_to_redz_nirejs\" >What happens to colors underwater as seen by a diver?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/daivings.lv\/en\/what-changes-a-persons-sight-under-water\/#Gaisma_un_energija_zem_udens\" >Light and energy under water<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/daivings.lv\/en\/what-changes-a-persons-sight-under-water\/#Kur_pieteikties_lai_nodarboties_ar_nirsanu_Latvija\" >Where to apply for diving in Latvia?<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Gaismas_lausanas_koeficienti_udeni\"><\/span>Refraction coefficients of light in water<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Water and air have different refractive indices that affect how light travels through the medium. Because our eyes are in the air inside the glasses and the object is in the water, light is refracted at the boundary surface, causing underwater objects to appear about 25% closer and 33% larger than they actually are.<\/p>\n<p><a href=\"https:\/\/daivings.lv\/ka-mainas-cilveka-redze-zem-udens\/ka-mainas-cilveka-redze-zem-udens-2\/\" rel=\"attachment wp-att-7115\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-7115\" src=\"https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-2-300x169.png\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-2-300x169.png?v=1706275310 300w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-2-1024x576.png?v=1706275310 1024w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-2-768x432.png?v=1706275310 768w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-2-1536x864.png?v=1706275310 1536w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-2-18x10.png?v=1706275310 18w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-2-1000x563.png?v=1706275310 1000w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-2-230x129.png?v=1706275310 230w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-2-350x197.png?v=1706275310 350w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-2-480x270.png?v=1706275310 480w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-2.png?v=1706275310 1920w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kas_notiek_ar_krasam_zem_udens_ka_to_redz_nirejs\"><\/span>What happens to colors underwater as seen by a diver?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Under water, objects also lose their colors. This process is related to the absorption of light. Each color has its own energy, characterized by a wavelength. The longer the wavelength, the less energy it has. Because there are many more molecules or particles in water than in air, there can be much more absorption, which reduces the energy of the light.<\/p>\n<p><a href=\"https:\/\/daivings.lv\/ka-mainas-cilveka-redze-zem-udens\/ka-mainas-cilveka-redze-zem-udens\/\" rel=\"attachment wp-att-7114\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-7114\" src=\"https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-300x169.png\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-300x169.png?v=1706275312 300w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1024x576.png?v=1706275312 1024w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-768x432.png?v=1706275312 768w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1536x864.png?v=1706275312 1536w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-18x10.png?v=1706275312 18w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1000x563.png?v=1706275312 1000w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-230x129.png?v=1706275312 230w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-350x197.png?v=1706275312 350w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-480x270.png?v=1706275312 480w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens.png?v=1706275312 1920w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Gaisma_un_energija_zem_udens\"><\/span>Light and energy under water<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Red light has the lowest energy, so the water of this color absorbs it first, which means that at a depth of about 4-5m, the red color is completely extinguished. After red, orange, yellow, green, ... until the last color of the rainbow starts to disappear.<\/p>\n<p><a href=\"https:\/\/daivings.lv\/ka-mainas-cilveka-redze-zem-udens\/ka-mainas-cilveka-redze-zem-udens-1\/\" rel=\"attachment wp-att-7116\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-7116\" src=\"https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1-300x169.png\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1-300x169.png?v=1706275308 300w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1-1024x576.png?v=1706275308 1024w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1-768x432.png?v=1706275308 768w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1-1536x864.png?v=1706275308 1536w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1-18x10.png?v=1706275308 18w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1-1000x563.png?v=1706275308 1000w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1-230x129.png?v=1706275308 230w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1-350x197.png?v=1706275308 350w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1-480x270.png?v=1706275308 480w, https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1.png?v=1706275308 1920w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>If you are also looking for adventures in the underwater world, then join the underwater diving club @daivingslv and here...<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kur_pieteikties_lai_nodarboties_ar_nirsanu_Latvija\"><\/span>Where to apply for diving in Latvia?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\ud83e\udd3f\ud83d\ude00 For advice or assistance, call a PADI Diver Instructor t. 220-77-202 (Whatsapp 220-77-202) for advice and scuba diving.<\/p>","protected":false},"excerpt":{"rendered":"<p>The answer to the question &quot;How does a person&#039;s vision change underwater?&quot; prepared by diving club &quot;Diving&quot; diver Margarita Zommere. Refractive indices in water Water and air have different refractive indices that affect how light travels in the environment. As our eyes [\u2026]<\/p>","protected":false},"author":1,"featured_media":7116,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-7113","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zemudens-pasaule"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>K\u0101 main\u0101s cilv\u0113ka redze zem \u016bdens? - Daivings.lv<\/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:\/\/daivings.lv\/en\/what-changes-a-persons-sight-under-water\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"K\u0101 main\u0101s cilv\u0113ka redze zem \u016bdens? - Daivings.lv\" \/>\n<meta property=\"og:description\" content=\"Atbildi uz jautajumu &#8220;K\u0101 main\u0101s cilv\u0113ka redze zem \u016bdens?&#8221; sagatavoja nir\u0161anas kluba &#8220;Daivings&#8221; nir\u0113ja Margarita Zommere. Gaismas lau\u0161anas koeficienti \u016bden\u012b \u016adenim un gaisam ir da\u017e\u0101di gaismas lau\u0161anas koeficienti, kas ietekm\u0113 to, k\u0101 gaisma p\u0101rvietojas attiec\u012bgaj\u0101 vid\u0113. \u00a0T\u0101 k\u0101 m\u016bsu acis [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/daivings.lv\/en\/what-changes-a-persons-sight-under-water\/\" \/>\n<meta property=\"og:site_name\" content=\"Daivings.lv\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/daivings\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-06-05T14:06:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-06-05T14:07:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/daivings.lv\/wp-content\/uploads\/Ka-mainas-cilveka-redze-zem-udens-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Valters\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@daivings\" \/>\n<meta name=\"twitter:site\" content=\"@daivings\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Valters\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/daivings.lv\\\/ka-mainas-cilveka-redze-zem-udens\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/daivings.lv\\\/ka-mainas-cilveka-redze-zem-udens\\\/\"},\"author\":{\"name\":\"Valters\",\"@id\":\"https:\\\/\\\/daivings.lv\\\/#\\\/schema\\\/person\\\/2d38bbddcd6444621ca8bcd097565438\"},\"headline\":\"K\u0101 main\u0101s cilv\u0113ka redze zem \u016bdens?\",\"datePublished\":\"2022-06-05T14:06:38+00:00\",\"dateModified\":\"2022-06-05T14:07:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/daivings.lv\\\/ka-mainas-cilveka-redze-zem-udens\\\/\"},\"wordCount\":294,\"publisher\":{\"@id\":\"https:\\\/\\\/daivings.lv\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/daivings.lv\\\/ka-mainas-cilveka-redze-zem-udens\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/daivings.lv\\\/wp-content\\\/uploads\\\/Ka-mainas-cilveka-redze-zem-udens-1.png?v=1706275308\",\"articleSection\":[\"Zem\u016bdens pasaule\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/daivings.lv\\\/ka-mainas-cilveka-redze-zem-udens\\\/\",\"url\":\"https:\\\/\\\/daivings.lv\\\/ka-mainas-cilveka-redze-zem-udens\\\/\",\"name\":\"K\u0101 main\u0101s cilv\u0113ka redze zem \u016bdens? 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Uzs\u0101cis nir\u0113ja gaitas 2005.gada 20.oktobr\u012b, izejot apm\u0101c\u012bbu Daivinga Instruktoru Profesion\u0101l\u0101 Asoci\u0101cij\u0101, DIPA (Ang. PADI \u2013 Professional Association of Diving Instructors ), tren\u0113jies nir\u0161anas profesion\u0101l\u0101s izaugsmes apm\u0101c\u012bb\u0101 Adrijas un Jonijas j\u016br\u0101s, Zieme\u013cu Atlantijas oke\u0101na sal\u0101s, Sarkan\u0101 j\u016br\u0101, Norv\u0113\u0123u j\u016br\u0101 un Vidusj\u016br\u0101. Piedal\u012bjies zem\u016bdens arheolo\u0123isk\u0101 projekt\u0101 Latvij\u0101. 2006.gada 24.j\u016blij\u0101 izveidojis nir\u0161anas klubu \u201cDaivings.lv\u201d. Paveicis vair\u0101k k\u0101 5000 ienir\u0161anas ar zem\u016bdens elpojamo apar\u0101tu. 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Began diving on October 20, 2005, undergoing training at the Professional Association of Diving Instructors, DIPA (Eng. PADI - Professional Association of Diving Instructors), trained in professional development training for diving in the Adriatic and Ionian seas, the islands of the North Atlantic Ocean, the Red Sea, the Norwegian Sea and in the Mediterranean. Participated in an underwater archaeological project in Latvia. On July 24, 2006, he founded the diving club &quot;Daivings.lv&quot;. Made more than 5000 scuba dives. Has participated in many diving expeditions, is interested in ecology and how climate change affects the underwater world.","url":"https:\/\/daivings.lv\/en\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/posts\/7113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/comments?post=7113"}],"version-history":[{"count":0,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/posts\/7113\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/media\/7116"}],"wp:attachment":[{"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/media?parent=7113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/categories?post=7113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/tags?post=7113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}