{"id":41554,"date":"2022-01-12T18:20:31","date_gmt":"2022-01-12T17:20:31","guid":{"rendered":"https:\/\/www.narodnilijek.com\/web\/?p=41554"},"modified":"2023-12-09T22:35:29","modified_gmt":"2023-12-09T21:35:29","slug":"nedostatak-vitamina-a-za-vid","status":"publish","type":"post","link":"https:\/\/www.narodnilijek.com\/web\/nedostatak-vitamina-a-za-vid\/","title":{"rendered":"Kako nedostatak vitamina A utje\u010de na na\u0161 vid?"},"content":{"rendered":"\n

Slab vid no\u0107u, koji mu\u010di milijune ljudi, jedan je od prvih simptoma nedostatka vitamina A u organizmu. U slu\u010daju manjeg nedostatka, osoba vidi bolje danju nego no\u0107u i mo\u017ee osje\u0107ati umor nakon \u010ditanja ili gledanja televizije. Ako je nedostatak vitamina A<\/strong> ve\u0107i, osoba osje\u0107a bol nakon rada koji zahtjeva koncentraciju, vidni umor, nervozu i glavobolju. Ako je pak nedostatak vitamina A iznimno velike, osoba osje\u0107a pe\u010denje, svrbe\u017e, nadra\u017eenost vje\u0111a i velik umor o\u010diju. Nedostatak vitamin A koji je neophodan za vid, primjenjuje se kod no\u0107nog slijepila, stara\u010dke makularne degeneracije, glaukoma<\/strong><\/a>, katarakte, za pobolj\u0161anje imunih funkcija.<\/p>\n\n\n\n

Rane i \u010direvi se mogu katkad javiti, te u kutu oka sluz koja se skuplja. Ovi simptomi<\/strong> upu\u0107uju na iznimno jak nedostatak vitamina A<\/strong>. Ozbiljan nedostatak vitamina A mo\u017ee biti pra\u0107en skotomom, odnosno crnim ili sivim mrljama u vidnom polju, suho\u0107om o\u010dnog tkiva, s osje\u0107ajem zrnatosti na o\u010dnoj jabu\u010dici. Ako je suho\u0107a dugotrajna, ro\u017enica se omek\u0161ava, zamu\u0107uje, postaje siva i neprozirna.<\/p>\n\n\n\n

Osobe kojima nedostaje vitamin A<\/a><\/strong>, \u017eale se ne samo na slab vid no\u0107u, nego i na veliku osjetljivost na svjetlo, kao \u0161to je odsjaj snijega, farovi automobila ili televizijski ekran. Uzrok te osjetljivosti le\u017ei u tome \u0161to dugotrajno izlaganje intenzivnom svjetlu uni\u0161tava vitamin A koji je prisutan u o\u010dima. Ra\u010dunovo\u0111e, daktilografi i stenografi koji rade s odbljeskom bijelog papira pred o\u010dima ili osobe koje provode mnogo vremena \u010ditaju\u0107i, \u0161ivaju\u0107i ili u\u010de\u0107i te ljudi koji \u017eive u blizini pla\u017ee ili pustinji gdje se sunce reflektira na pijesku, gube vitamin A.<\/p>\n\n\n\n

Nedostatak vitamin A za vid<\/h2>\n\n\n\n

Vitamin A igra zna\u010dajnu ulogu u zdravlju va\u0161ih o\u010diju, posebno u produkciji pigmenta rodopsina. Nedostatak vitamina A zaustavlja proizvodnju navedenoga pigmenta, te dolazi do no\u0107noga sljepila.<\/p>\n\n\n\n

Deficit vitamina A tako\u0111er utje\u010de na ishranu ro\u017enice, te na odr\u017eavanje suznog filma vla\u017enim. Smatra se vode\u0107im uzrokom sljepo\u0107e kod djece. Procjenjuje se da 250 000 do 500 000 djece oslijepi uslijed nedostatka vitamina A.<\/p>\n\n\n\n

Terapeutske doze vitamina A<\/strong><\/p>\n\n\n\n

Sljede\u0107e terapeutske doze odobrio je Savjet za farmaciju i kemiju Ameri\u010dkog medicinskog udru\u017eenja:<\/p>\n\n\n\n

Za dugotrajan ili kroni\u010dan nedostatak: 25.000 I.J. (internacionalnih jedinica), tri puta na dan, za tretman op\u0107eg stanja, 25.000 I.J. dva puta na dan kroz tri mjeseca. Doze koje prelaze 25.000 I.J. nisu odobrene.<\/p>\n\n\n\n

>> Doma\u0107i lijekovi za suhe o\u010di<\/a><\/strong><\/p>\n\n\n\n

Biljni (prirodni) izvori vitamina A<\/strong><\/p>\n\n\n\n

Puno je namirnica i biljaka koje su bogate vitaminom A. Per\u0161in<\/strong> je odli\u010dna za\u010dinska biljka koju ne treba izbjegavati. Naime, \u010da\u0161a isjeckanog per\u0161ina sadr\u017ei oko 8000 I.J. vitamina A, tako da odgovaraju\u0107a koli\u010dina ove biljke dovoljno opskrbljuje organizam ovim dragocjenim vitaminom te lije\u010di i spre\u010dava hemeralopiju i neke druge smetnje vida.<\/p>\n\n\n\n

Jo\u0161 neke biljke bogate vitaminom A:<\/p>\n\n\n\n

1 \u010da\u0161a kuhane arti\u010doke sadr\u017ei oko 15.000 I.J. vitamina A<\/p>\n\n\n\n

1 \u010da\u0161a kuhanog masla\u010dka 20.000 I.J. vitamina A.<\/p>\n\n\n\n

1 \u010da\u0161a kuhanih listova cikle 22.000 I.J. vitamina A.<\/p>\n\n\n\n

1 srednji krumpir u sebi ima oko 4.000 I.J. vitamina A, ovisno o vrsti krumpira.<\/p>\n\n\n\n

Pogledajte svoje o\u010di i otkrijte kakvog ste zdravlja<\/strong><\/a><\/p>\n\n\n\n

Vitamin A u hrani<\/h3>\n\n\n\n

Vitamin A se nalazi u d\u017eigerici, jajima, ribljem ulju, punomasnim mlije\u010dnim proizvodima. Organizam proizvodi vitamin A iz beta-karotena i drugih karotenoida. Ve\u0107ina tamno zelenog lisnatog povr\u0107a i \u017euto-narand\u017easto povr\u0107e i vo\u0107e (mrkva, bundeva, kajsija, breskva) sadr\u017ee beta-karotene.<\/p>\n\n\n\n

>> <\/strong>Gnojno oko<\/strong><\/a> \u2013 Prirodni lijek protiv bolne izbo\u010dine na oku<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Slab vid no\u0107u, koji mu\u010di milijune ljudi, jedan je od prvih simptoma nedostatka vitamina A u organizmu. U slu\u010daju manjeg nedostatka, osoba vidi bolje danju nego no\u0107u i mo\u017ee osje\u0107ati umor nakon \u010ditanja ili gledanja televizije. Ako je nedostatak vitamina A ve\u0107i, osoba osje\u0107a bol nakon rada koji zahtjeva koncentraciju, vidni umor, nervozu i glavobolju. […]<\/p>\n","protected":false},"author":1,"featured_media":41555,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"enabled":false},"version":2}},"categories":[3],"tags":[106326,106325,834,833,1308,106327],"class_list":{"0":"post-41554","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-alternativna-medicina","8":"tag-izvor-vitamina-a","9":"tag-nedostatak-vitamina-a","10":"tag-oci","11":"tag-vid","12":"tag-vitamin-a","13":"tag-vitamin-a-u-hrani"},"yoast_head":"\nKako 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