{"id":1547,"date":"2024-08-21T11:42:22","date_gmt":"2024-08-21T11:42:22","guid":{"rendered":"http:\/\/staging.livision-optika.com\/edukativni-centar\/dalekovidnost-lathypermetropia\/"},"modified":"2024-11-11T08:11:17","modified_gmt":"2024-11-11T08:11:17","slug":"dalekovidnost-lathypermetropia","status":"publish","type":"post","link":"https:\/\/livision-optika.com\/edukativni-centar\/dalekovidnost-lathypermetropia\/","title":{"rendered":"Dalekovidnost (lat.Hypermetropia)"},"content":{"rendered":"<p><span style=\"font-weight: bold;\">Rije\u010d hipermetropija (lat. Hypermetropia ) sastoji se od dvije rije\u010di: hyper &#8211; preko, nad, i metropia &#8211; glededanje po mjeri. Hypermetropia, dalekovidnost refrakcijska je anamalija (pogre\u0161ka oka) zbog koje se zrake svjetlosti fokusiraju iza mre\u017enice, stoga na mre\u017enici stvaraju nejasnu sliku promatranog predmeta.<\/span><\/p>\n<p>U narodu se uvrije\u017eilo mi\u0161ljenje da \u010dovjek s dalekovidno\u0161\u0107u vidi na daleko, no to nije istina jer on ne vidi jasno ni daleke ni bliske predmete bez akomodacije. \u010ce\u0161\u0107e se javlja kod ljudi u \u010dijoj je obiteljskoj anamnezi dalekovidnost, no to ne zna\u010di da \u0107e dijete dalekovidnih roditelja automatski biti dalekovidno.<br \/>Ve\u0107ina djece rodi se dalekovidno. Ta se dalekovidnost s vremenom smanjuje i ve\u0107inom se ispravi tijekom djetetova razvoja. Svakako je potrebna redovita kontrola kod ofalmologa kako bi se djetetu pravilno razvio vid.<\/p>\n<div style=\"text-align: center\"><img decoding=\"async\" alt=\"Dalekovidnost\" src=\"http:\/\/staging.livision-optika.com\/edukativni-centar\/wp-content\/uploads\/2024\/10\/889113520076875.jpg\"><\/div>\n<p>Daleka to\u010dka (Punctum remotum) nalazi se iza oka i virtualna je.<br \/>Bliska to\u010dka (Punctum proximum) ovisna je o stupnju dalekovidnosti, mo\u017ee se nalaziti ispred ili iza oka.<br \/><br style=\"font-weight: bold;\"><span style=\"font-weight: bold;\">Znakovi dalekovidnosti:<\/span><\/p>\n<ul>\n<li>o\u0161trina vida na daljinu je oslabljena, osobito kod starijih ljudi zbog pada mo\u0107i akomodacije<\/li>\n<li>o\u0161trina vida na blizinu oslabljuje relativno rano<\/li>\n<li>glavobolja<\/li>\n<li>pacijent se brzo umara i osije\u0107a nelagodu pri \u010ditanju na blizu<\/li>\n<li>astenopija &#8211; asthenopia (zamor, peckanje i dr.)<\/li>\n<li>fotofobija &#8211; svjetloplahost (nepodno\u0161enje svijetla)<\/li>\n<\/ul>\n<p>Za razliku od kratkovidnosti, kod dalekovidnosti je mogu\u0107a samokorekcija akomodacijom, stoga dalekovidna osoba ne mora primijetiti da je ista prisutna. Sposobnost samokorekcije ograni\u010dena je ja\u010dinom dalekovidnosti.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/staging.livision-optika.com\/edukativni-centar\/wp-content\/uploads\/2024\/10\/495186091348481.jpg\"><\/p>\n<p>Dalekovidnost se korigira konveksnim, sabirnim, plus staklima ili kontaktnim le\u0107ama. U dana\u0161nje vrijeme dalekovidnost se mo\u017ee korigitati i operativno (refrakcijskom kirurgijom).<\/p>\n<p>Kod dalekovidnosti, dioptrijska jakost oka i veli\u010dina oka nisu u pravilnom odnosu, bilo da je dioptrijska jakost refrakcijskog sustava oka premala (nedovoljna) ili o\u010dna os prekratka (\u201emalo\u201c oko).<br \/><br style=\"font-weight: bold;\"><span style=\"font-weight: bold;\">U refrakcijskom pogledu dalekovidnost dijelimo na:<\/span><br \/><span style=\"font-weight: bold;\"><br \/><\/span><\/p>\n<ul>\n<li><span style=\"font-weight: bold;\">Osna (aksijalna)<\/span> dalekovidnost &#8211; naj\u010de\u0161\u0107a. Uzrok osne dalekovidnoasti je premali promjer o\u010dne jabu\u010di\u0107e (manje od 24 mm). Refrakcijski sustav oka je normalan, ali je promjer o\u010dne jabu\u010dice manji nego obi\u010dno, stoga refrakcisjki sustav nema dovoljnu plus dioptrijsku snagu kako bi paralelne zrake svjetlosti doveo u \u017eari\u0161te na mre\u017enici.<\/li>\n<li><span style=\"font-weight: bold;\">Lomna dalekovidno<\/span><span style=\"font-weight: bold;\">st<\/span> &#8211; oko je normalne veli\u010dine. Uzrok lomne dalekovidnosti je preslaba zakrivljenost ro\u017enice (\u00cb\u201a48.83 dpsh).<\/li>\n<li><span style=\"font-weight: bold;\">Indeksna dalekovidnost &#8211; <\/span>postoji odstupanje indeksa loma od norme u pojedinim ili svim dijelovima opti\u010dkog sustava oka.<\/li>\n<li><span style=\"font-weight: bold;\">Promjena polo\u017eaja o\u010dne le\u0107e<\/span> (npr. luksacija o\u010dne le\u0107e u staklovinu) &#8211; tako\u0111er mo\u017ee uzrokovati dalekovidnost.<\/li>\n<\/ul>\n<p><span style=\"font-weight: bold;\">Klini\u010dka klasifikacija dalekovidnosti:<\/span><\/p>\n<p><span style=\"font-weight: bold;\">Latentna dalekovidnost<\/span> ostaje prikrivena jer pogre\u0161ku oka u cijelosti korigira akomodacija. Pacijent \u0107e odbijati plus korekciju \u017eale\u0107i se da mu korekcija zamagljuje vid.<\/p>\n<p><span style=\"font-weight: bold;\">Fakultativna dalekovidnost<\/span> je dio refrakcijske gre\u0161ke koja se mo\u017ee mjeriti i korigirati plus le\u0107ama, ali se tako\u0111er korigira akomodacijom kada nema korekcijske le\u0107e.<\/p>\n<p><span style=\"font-weight: bold;\">Apsolutna dalekovidnost<\/span> je dio refrakcijske gre\u0161ke koja se ne mo\u017ee kompenzirati akomodacijom . Vid na daljinu je nejasan, pacijent \u0107e prihvatiti plus korekciju.<\/p>\n<p><span style=\"font-weight: bold;\">Totalna dalekovidnost<\/span> je zbroj latentne i manifestne dalekovidnosti, ustanovljena je skijaskopijom.<\/p>\n<p><iframe loading=\"lazy\" class=\"youtube-player\" type=\"text\/html\" width=\"100%\" height=\"350\" src=\"http:\/\/www.youtube.com\/embed\/Bdr4SzOqblE\" frameborder=\"0\"><\/iframe><\/p>\n<p>Autor:<br \/>bc. Livio Svr\u017enjak, optometrist<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rije\u010d hipermetropija (lat. Hypermetropia ) sastoji se od dvije rije\u010di: hyper &#8211; preko, nad, i metropia &#8211; glededanje po mjeri. Hypermetropia, dalekovidnost refrakcijska je anamalija (pogre\u0161ka oka) zbog koje se zrake svjetlosti fokusiraju iza mre\u017enice, stoga na mre\u017enici stvaraju nejasnu sliku promatranog predmeta. U narodu se uvrije\u017eilo mi\u0161ljenje da \u010dovjek s dalekovidno\u0161\u0107u vidi na daleko, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2671,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[17],"tags":[],"class_list":["post-1547","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bolesti-i-pogreske-oka"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dalekovidnost (lat.Hypermetropia)<\/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:\/\/livision-optika.com\/edukativni-centar\/dalekovidnost-lathypermetropia\/\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dalekovidnost (lat.Hypermetropia)\" \/>\n<meta property=\"og:description\" content=\"Rije\u010d hipermetropija (lat. 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