{"id":7758,"date":"2018-08-05T19:01:21","date_gmt":"2018-08-05T17:01:21","guid":{"rendered":"http:\/\/zavnews.net\/?p=7758"},"modified":"2018-08-05T19:01:21","modified_gmt":"2018-08-05T17:01:21","slug":"dolaze-kontaktne-lece-za-daltonizam","status":"publish","type":"post","link":"https:\/\/zavnews.net\/index.php\/2018\/08\/05\/dolaze-kontaktne-lece-za-daltonizam\/","title":{"rendered":"Dolaze kontaktne le\u0107e za daltonizam"},"content":{"rendered":"
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U \u010dasopisu Advanced Healthcare Materials,\u00a0predstavljeno je<\/a>\u00a0da dolaze kontaktne le\u0107e za daltonizam. Ta\u010dnije, za jedan od oblika daltonizma.<\/strong><\/p>\n

Za taj nasljedni genetski poreme\u0107aj vida jo\u0161 uvijek ne postoji lijek, no nastoje se izra\u0111ivati medicinska pomagala. Korektivne metode koje su u ovom trenu dostupne (nao\u010dale za filtriranje boja) su skupe i nezgrapne, ali i nekompatibilne s drugim pomagalima vida.<\/p>\n

Ljudski vid u boji je trobojan pa se svaka boja u spektru mo\u017ee predo\u010diti kombinacijom plave, zelene i crvene. Za raspoznavanje boja slu\u017ee \u010dunjaste nakupine stanica u retini. Podijeljene su u tri skupine, a svaka skupina detektira razne valne duljine svjetla: kratke (plave), srednje (zelene) i duge valne duljine (crvene).<\/p>\n

Kad nedostaje neka od tih skupina \u010dunji\u0107a, mozak od oka prima nepotpune informacije. Naj\u010de\u0161\u0107i oblik te pojave, daltonizma, je sljepo\u0107a na crvenu i zelenu boju, u nekoliko razli\u010ditih oblika (deuteranopija, protanopija, protanomalija i deuteranomalija).<\/p>\n

\"\"U ovoj novoj studiji su upotrebljavane jeftine komercijalne, \u201emekane\u201c kontaktne le\u0107e koje su laboratorijski obojili netoksi\u010dnim derivatom boje rodamin. Rodamin se koristio, jer ima sposobnost apsorpcije odre\u0111enih valnih duljina svjetlosti unutar vidljivog spektra.<\/p>\n

Otkriveno je da ta boja apsorbira raspon valnih duljina izme\u0111u zelene i crvene boje, u spektralnom pojasu koji pokriva raspon dvije grupe opti\u010dkih \u010dunji\u0107a. Eliminacijom tog raspona kroz obojenu le\u0107u je sprije\u010deno simultano stimuliranje \u010dunji\u0107a za crvene i zelene valne duljine, \u0161to omogu\u0107ava bolju diferencijaciju crvene i zelene boje.<\/p>\n

Dr. Haider Butt sa Univerziteta u Birminghamu je izjavio: \u201cKontaktne le\u0107e za daltonizam su najpogodnije pomagalo, jer korigiraju cijelo vidno polje. Proces nano\u0161enja rodamina ne zahtijeva slo\u017eene pripreme, ta boja nije toksi\u010dna, a bojenje se po niskoj cijeni mo\u017ee koristiti i za izradu kontaktnih le\u0107a, te za proizvodnju staklenih ili plasti\u010dnih le\u0107a za nao\u010dale.\u201d<\/strong><\/p>\n

Provodi se i istra\u017eivanje sli\u010dnih bojenja le\u0107a za korekciju ljubi\u010dasto-plave sljepo\u0107e na boje, kao i pronala\u017eenje pogodne kombinacije koja bi djelovala istodobno za crveno-zelenu i ljubi\u010dasto-plavu sljepo\u0107u.<\/p>\n

Uskoro slijede i klini\u010dka ispitivanja.<\/p>\n

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  U \u010dasopisu Advanced Healthcare Materials,\u00a0predstavljeno je\u00a0da dolaze kontaktne le\u0107e za daltonizam. Ta\u010dnije, za jedan od oblika daltonizma. Za taj nasljedni genetski poreme\u0107aj vida jo\u0161 uvijek ne postoji lijek, no nastoje se izra\u0111ivati medicinska pomagala. Korektivne metode koje su u…<\/p>\n

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Korektivne metode koje su u...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zavnews.net\/index.php\/2018\/08\/05\/dolaze-kontaktne-lece-za-daltonizam\/\" \/>\n<meta property=\"og:site_name\" content=\"Zavnews\" \/>\n<meta property=\"article:published_time\" content=\"2018-08-05T17:01:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/zavnews.net\/wp-content\/uploads\/2018\/08\/600_1528799102olovke.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"850\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"zavnews\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"zavnews\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/zavnews.net\/index.php\/2018\/08\/05\/dolaze-kontaktne-lece-za-daltonizam\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/zavnews.net\/index.php\/2018\/08\/05\/dolaze-kontaktne-lece-za-daltonizam\/\"},\"author\":{\"name\":\"zavnews\",\"@id\":\"https:\/\/zavnews.net\/#\/schema\/person\/2477577553b6626f3681ce4d32a6917f\"},\"headline\":\"Dolaze kontaktne le\u0107e za daltonizam\",\"datePublished\":\"2018-08-05T17:01:21+00:00\",\"dateModified\":\"2018-08-05T17:01:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/zavnews.net\/index.php\/2018\/08\/05\/dolaze-kontaktne-lece-za-daltonizam\/\"},\"wordCount\":363,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/zavnews.net\/#organization\"},\"image\":{\"@id\":\"https:\/\/zavnews.net\/index.php\/2018\/08\/05\/dolaze-kontaktne-lece-za-daltonizam\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/zavnews.net\/wp-content\/uploads\/2018\/08\/600_1528799102olovke.jpg\",\"articleSection\":[\"medicina\",\"NAUKA\"],\"inLanguage\":\"bs-BA\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/zavnews.net\/index.php\/2018\/08\/05\/dolaze-kontaktne-lece-za-daltonizam\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zavnews.net\/index.php\/2018\/08\/05\/dolaze-kontaktne-lece-za-daltonizam\/\",\"url\":\"https:\/\/zavnews.net\/index.php\/2018\/08\/05\/dolaze-kontaktne-lece-za-daltonizam\/\",\"name\":\"Dolaze kontaktne le\u0107e za daltonizam - 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