{"id":227,"date":"2024-07-22T15:07:05","date_gmt":"2024-07-22T12:07:05","guid":{"rendered":"https:\/\/oftalmolog.md\/?p=227"},"modified":"2024-10-17T23:01:45","modified_gmt":"2024-10-17T20:01:45","slug":"beneficiile-morcovilor-pentru-vederemituri","status":"publish","type":"post","link":"https:\/\/oftalmolog.md\/?p=227","title":{"rendered":"Vicii de refrac\u021bie"},"content":{"rendered":"\n<p>Viciile de refractie sunt miopia, hipermetropia si astigmatismul.<\/p>\n\n\n\n<!--more-->\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:56% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"380\" src=\"https:\/\/oftalmolog.md\/wp-content\/uploads\/2024\/07\/ochi-1-ro.jpg\" alt=\"\" class=\"wp-image-448 size-full\" srcset=\"https:\/\/oftalmolog.md\/wp-content\/uploads\/2024\/07\/ochi-1-ro.jpg 600w, https:\/\/oftalmolog.md\/wp-content\/uploads\/2024\/07\/ochi-1-ro-300x190.jpg 300w, https:\/\/oftalmolog.md\/wp-content\/uploads\/2024\/07\/ochi-1-ro-150x95.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>Pentru o vedere clar\u0103, ochiul trebuie s\u0103 focuseze razele de lumin\u0103 pe retin\u0103, care este peretele posterior al globului ocular. Focusarea se produce \u00een cea mai mare parte de c\u0103tre cornee \u0219i cristalin.<\/p>\n<\/div><\/div>\n\n\n\n<p>Dac\u0103 lungimea ochiului este mai mare sau mai mic\u0103, atunci imaginea se focuseaz\u0103 \u00een fa\u021ba sau \u00een spatele retinei. De asemeni, dac\u0103 indicele de refrac\u021bie sau curbura corneei \u0219i\/sau a cristalinului nu sunt corespunz\u0103toare, imaginea la fel nu se focuseaz\u0103 pe retin\u0103. Ca urmare, imaginea v\u0103zut\u0103 nu este clar\u0103.<\/p>\n\n\n\n<p>Viciile de refrac\u021bie sunt:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Miopia<\/li>\n\n\n\n<li>Hipermetropia<\/li>\n\n\n\n<li>Astigmatismul<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"800\" src=\"https:\/\/oftalmolog.md\/wp-content\/uploads\/2024\/07\/refractive-errors-1.jpg\" alt=\"\" class=\"wp-image-453\" style=\"width:638px;height:auto\" srcset=\"https:\/\/oftalmolog.md\/wp-content\/uploads\/2024\/07\/refractive-errors-1.jpg 1000w, https:\/\/oftalmolog.md\/wp-content\/uploads\/2024\/07\/refractive-errors-1-300x240.jpg 300w, https:\/\/oftalmolog.md\/wp-content\/uploads\/2024\/07\/refractive-errors-1-150x120.jpg 150w, https:\/\/oftalmolog.md\/wp-content\/uploads\/2024\/07\/refractive-errors-1-768x614.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p>Miopia apare c\u00e2nd globul ocular are un diametru antero-posterior mai mare dec\u00e2t normal sau mediile de refrac\u021bie au puterea prea mare. Ca urmare, lumina care p\u0103trunde \u00een ochi nu se focalizeaz\u0103 pe retin\u0103, ci \u00een fa\u021ba acesteia. Pacientul miop vede la distan\u021b\u0103 \u00eence\u021bo\u0219at, neclar.<\/p>\n\n\n\n<p>Hipermetropia apare c\u00e2nd diametrul antero-posterior al globului ocular este mai mic dec\u00e2t normal sau mediile de refrac\u021bie au puterea prea slab\u0103. Acest lucru face ca razele de lumin\u0103 care p\u0103trund \u00een ochi s\u0103 nu fie focalizate pe retin\u0103, ci \u00een spatele acesteia. Pacientul hipermetrop vede obiectele at\u00e2t la apropiere, c\u00e2t \u0219i la distan\u021b\u0103 \u00eence\u021bo\u0219at, neclar.<\/p>\n\n\n\n<p>Astigmatismul este rezultatul unei cornei care prezint\u0103 curburi diferite (o cornee mai turtit\u0103 pe axul vertical sau orizontal). Respectiv, raza de lumin\u0103 este refractat\u0103 cu puteri diferite \u00een zone diferite. Ca urmare a acestor diferen\u021be de puteri de refrac\u021bie, numai o parte din obiectul privit este focalizat\u0103, astfel \u00eenc\u00e2t obiectul \u00een totalitate va ap\u0103rea \u00eence\u021bo\u0219at, neclar.<\/p>\n\n\n\n<p>Exist\u0103 de asemeni, un viciu de refrac\u021bie dob\u00e2ndit \u2013 prezbiopia. Aceasta apare \u00een jurul v\u00e2rstei de 40 ani \u0219i se manifest\u0103 prin vedere neclar\u0103 la aproape. I se mai spune \u201cboala m\u00e2inilor scurte\u201d, atunci c\u00e2nd distan\u021ba dintre ochi si obiectul vizualizat trebuie s\u0103 fie mai mare dec\u00e2t lungimea m\u00e2inilor pacientului pentru a fi v\u0103zut clar. Apare din cauza pierderii elasticit\u0103\u021bii mu\u0219chiului ciliar \u0219i\/sau a cristalinului, ceea ce nu-i permite cristalinului sa-\u0219i modifice curbura pentru a focusa imaginea pe retin\u0103. Elasticitatea acestuia devine tot mai mic\u0103 odat\u0103 cu \u00eenaintarea \u00een v\u00e2rst\u0103.<\/p>\n\n\n\n<p>Viciile de refrac\u021bie pot fi corectate prin purtarea de ochelari, de lentile de contact, sau prin interven\u021bie chirurgical\u0103. Medicul v\u0103 va recomanda metoda cea mai potrivit\u0103 \u00een cazul dumneavoastr\u0103.<\/p>\n\n\n","protected":false},"excerpt":{"rendered":"<p>Viciile de refractie sunt miopia, hipermetropia si astigmatismul.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-227","post","type-post","status-publish","format-standard","hentry","category-patient_info"],"acf":[],"_links":{"self":[{"href":"https:\/\/oftalmolog.md\/index.php?rest_route=\/wp\/v2\/posts\/227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oftalmolog.md\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oftalmolog.md\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oftalmolog.md\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oftalmolog.md\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=227"}],"version-history":[{"count":6,"href":"https:\/\/oftalmolog.md\/index.php?rest_route=\/wp\/v2\/posts\/227\/revisions"}],"predecessor-version":[{"id":456,"href":"https:\/\/oftalmolog.md\/index.php?rest_route=\/wp\/v2\/posts\/227\/revisions\/456"}],"wp:attachment":[{"href":"https:\/\/oftalmolog.md\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oftalmolog.md\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oftalmolog.md\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}