{"id":539,"date":"2026-07-07T23:33:03","date_gmt":"2026-07-07T23:33:03","guid":{"rendered":"https:\/\/irisx.ee\/?p=539"},"modified":"2026-07-07T23:33:03","modified_gmt":"2026-07-07T23:33:03","slug":"hea-naide-sellest-kuidas-meie-silmad-tootavad-unikaalselt-ja-erinevalt","status":"publish","type":"post","link":"https:\/\/irisx.ee\/?p=539","title":{"rendered":"Hea n\u00e4ide sellest, kuidas meie silmad t\u00f6\u00f6tavad unikaalselt ja erinevalt."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Silmades on \u00fcle\u00fcldiselt tohutult palju liikumist, kuid p\u00f5nevaim vaatem\u00e4ng toimub otse iirise taga, kus k\u00e4ib pidev valguse kontrollimine ja kahe eri lihase t\u00e4iuslik koost\u00f6\u00f6.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-7499bb76 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/irisx.ee\/wp-content\/uploads\/2026\/07\/LIINA-NAIDIS-1024x512.jpg ,https:\/\/irisx.ee\/wp-content\/uploads\/2026\/07\/LIINA-NAIDIS.jpg 780w, https:\/\/irisx.ee\/wp-content\/uploads\/2026\/07\/LIINA-NAIDIS.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/irisx.ee\/wp-content\/uploads\/2026\/07\/LIINA-NAIDIS-1024x512.jpg\" alt=\"\" class=\"uag-image-540\" width=\"1080\" height=\"540\" title=\"LIINA N\u00c4IDIS\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Kas teadsid, kuidas pupill tegelikult kokku ja lahku k\u00e4ib? Pupill ise ei ole lihas, vaid ava iirise keskel, mille suurust reguleerivad kaks antagonistlikku ehk vastandlikult t\u00f6\u00f6tavat silelihast:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ahendajalihas (musculus sphincter pupillae): See on ringikujuline lihas, mis \u00fcmbritseb pupilli nagu v\u00e4ike n\u00f6\u00f6r. Kui valgus on ere, t\u00f5mbub see lihas kokku, muutes pupilli v\u00e4iksemaks, et kaitsta silma liigse valguse eest.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Laiendajalihas (musculus dilatator pupillae): See lihas paikneb iirises kiirjalt \u2013 nagu p\u00e4ikesekiired v\u00f5i jalgratta kodarad. Pimedas v\u00f5i p\u00f5nevusehetkel t\u00f5mbuvad need &#8220;kiired&#8221; kokku, t\u00f5mmates pupilli \u00e4\u00e4ri v\u00e4ljapoole ja muutes ava suuremaks, et p\u00fc\u00fcda kinni viimnegi valguskiir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Just see kahe lihase mikroskoopiline tants loobki igast iirisest kordumatu meistriteose.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oran\u017ei tooni n\u00e4eb sinistes silmades harvem ja seda huvitavam see ka v\u00e4lja n\u00e4eb <img decoding=\"async\" height=\"16\" width=\"16\" alt=\"\ud83d\ude42\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t4c\/1\/16\/1f642.png\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Teie,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kati<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Silmades on \u00fcle\u00fcldiselt tohutult palju liikumist, kuid p\u00f5nevaim vaatem\u00e4ng toimub otse iirise taga, kus k\u00e4ib pidev valguse kontrollimine ja kahe [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":540,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","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":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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on \u00fcle\u00fcldiselt tohutult palju liikumist, kuid p\u00f5nevaim vaatem\u00e4ng toimub otse iirise taga, kus k\u00e4ib pidev valguse kontrollimine ja kahe [&hellip;]","_links":{"self":[{"href":"https:\/\/irisx.ee\/index.php?rest_route=\/wp\/v2\/posts\/539","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/irisx.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/irisx.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/irisx.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/irisx.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=539"}],"version-history":[{"count":1,"href":"https:\/\/irisx.ee\/index.php?rest_route=\/wp\/v2\/posts\/539\/revisions"}],"predecessor-version":[{"id":541,"href":"https:\/\/irisx.ee\/index.php?rest_route=\/wp\/v2\/posts\/539\/revisions\/541"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/irisx.ee\/index.php?rest_route=\/wp\/v2\/media\/540"}],"wp:attachment":[{"href":"https:\/\/irisx.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/irisx.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/irisx.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}