{"id":36650,"date":"2017-02-13T13:47:29","date_gmt":"2017-02-13T13:47:29","guid":{"rendered":"http:\/\/humanitas.local\/diseases\/astigmatizam\/"},"modified":"2017-11-06T12:07:18","modified_gmt":"2017-11-06T12:07:18","slug":"astigmatizam","status":"publish","type":"disease","link":"https:\/\/www.humanitas.net\/sr\/diseases\/astigmatizam\/","title":{"rendered":"Astigmatizam"},"content":{"rendered":"

Astigmatizam je \u010desta, blaga, i generalno lako le\u010diva nepravilnost o\u010dne krivine. Ovaj defekt mo\u017ee da izazove zamu\u0107enje vida i ne\u010dist vid. Astigmatizam se javlja kada je prednja povr\u0161ina oka (ro\u017enja\u010da) ili so\u010divo, unutar oka, ima malo druga\u010diju povr\u0161insku krivinu u jednom smeru od druge. Umesto da budu iste i glatke u svim smerovima, povr\u0161ina mo\u017ee imati\u00a0 neke delove koji su ravniji ili zakrivljeniji.<\/p>\n

Astigmatizam zamagljuje vid na svim udaljenostima. Astigmatizam se obi\u010dno javlja po ro\u0111enju i mo\u017ee se javiti uporedo sa kratkovido\u0161\u0107u i dalekovido\u0161\u0107u. Obi\u010dno nema potrebe za bilo kakvom o\u010dnom procedurom. U te\u017eim slu\u010dajevima, uklju\u010duju se terapije no\u0161enja so\u010diva ili operacija.<\/p>\n

 <\/p>\n

Simptomi<\/h2>\n

Zanci i simptomi astigmatizma uklju\u010duju:<\/p>\n

Naprezanje oka<\/p>\n

Zamagljen i izme\u0161an vid<\/p>\n

Glavobolje<\/p>\n

 <\/p>\n

Uzroci<\/h2>\n

Dva dela oka koji fokusiraju slike su ro\u017enja\u010da i so\u010diva. Kod savr\u0161eno-oblikovanog oka, svaki od ovih elemenata ima savr\u0161eno glatku zakrivljenost, kao povr\u0161ina glatke lopte. Ro\u017enja\u010da ili so\u010diva sa takvom zakrivljeno\u017e\u0107u se savija (prelama) svu svetlost koja dolazi na isti na\u010din i pravi slike sa o\u0161trim fokusom u zadnjem delu oka (mre\u017enja\u010da).<\/p>\n

U slu\u010daju kada ro\u017enja\u010da ili so\u010diva nisu jednako ili glatko zakrivljeni, zraci su nejednako fokusirani. Ovo izaziva gre\u0161ku u prelamanju. U stvari, astigmatizam je vrsta gre\u0161ke u prelamanju svetlosti.<\/p>\n

Kod astigmatizma, ro\u017enja\u010da ili so\u010diva su zakrivljena o\u0161trije u jednom smeru nego u drugom. Astigmatizam ro\u017enja\u010de se javlja kada ro\u017enja\u010da ima izobli\u010deni oblik, dok se entikularni astigmatizam javlja kada su so\u010diva izobli\u010dena.<\/p>\n

I jedna i druga vrsta astigmatizma mogu izazvati zamagljeniji vid u jednom pravcu, ili horizontalno, vertikalno ili dijagonalno.<\/p>\n

Astigmatizam se mo\u017ee javiti u kombinaciji sa drugim gre\u0161kama prelamanja svetlosti, kao \u0161to su kratkovidost (miopija) i dalekovidost (hiperopija).<\/p>\n

Astigmatizam se mo\u0111e javiti jos od ro\u0111enja, ili se mo\u017ee javiti posle povrede, bolesti ili operacije. Astigmatizam se ne dobija, niti se njegovo stanje pogor\u0161ava \u010ditanjem u lo\u0161em osvetljenju, sedenjem preblizo do televizora ili \u0161kiljenjem.<\/p>\n

 <\/p>\n

Faktori rizika<\/h2>\n

Mala vrsta astigmatizma je veoma \u010desta, a predodre\u0111enost za dobijanje astigmatizma je nasledna. Ja\u010di oblici astigmatizma se povezuju sa bolestima kao \u0161to je keratokonus.<\/p>\n

 <\/p>\n

Komplikacije<\/h2>\n

Ako osoba ima astigmatizam samo u jednom oku i ne ispravi ga, mo\u017ee do\u0107i do pojave ambliopije (lenje oko).<\/p>\n

 <\/p>\n

Prevencija<\/h2>\n

Uobi\u010dajeni oblici astigmatizma se ne mogu spre\u010diti. Vo\u0111enje brige o oku mo\u017ee smanjiti mogu\u0107nost pojave astigmatizma usled povrede ro\u017enja\u010de.<\/p>\n","protected":false},"author":9,"featured_media":0,"template":"","yoast_head":"\nAstigmatizam - Humanitas.net<\/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:\/\/www.humanitas.net\/sr\/diseases\/astigmatizam\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Astigmatizam - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Astigmatizam je \u010desta, blaga, i generalno lako le\u010diva nepravilnost o\u010dne krivine. Ovaj defekt mo\u017ee da izazove zamu\u0107enje vida i ne\u010dist vid. 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Ovaj defekt mo\u017ee da izazove zamu\u0107enje vida i ne\u010dist vid. Astigmatizam se javlja kada je prednja povr\u0161ina oka (ro\u017enja\u010da) ili so\u010divo, unutar oka, ima malo druga\u010diju povr\u0161insku krivinu u jednom smeru od druge. 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