{"id":2113,"date":"2018-05-05T12:04:36","date_gmt":"2018-05-05T09:04:36","guid":{"rendered":"http:\/\/mereusanatosi.ro\/wp\/?p=2113"},"modified":"2018-05-07T07:48:27","modified_gmt":"2018-05-07T04:48:27","slug":"noi-descoperiri-in-diagnosticarea-tulburarilor-de-vedere","status":"publish","type":"post","link":"https:\/\/mereusanatosi.ro\/wp\/2018\/05\/05\/noi-descoperiri-in-diagnosticarea-tulburarilor-de-vedere\/","title":{"rendered":"Noi descoperiri \u00een diagnosticarea tulbur\u0103rilor de vedere"},"content":{"rendered":"<figure id=\"attachment_2114\" aria-describedby=\"caption-attachment-2114\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" class=\"wp-image-2114 size-large\" src=\"http:\/\/mereusanatosi.ro\/wp\/wp-content\/uploads\/2018\/05\/vedere-800x445-1024x569.jpg\" alt=\"Surs\u0103 foto: http:\/\/www.isaudebahia.com.br\" width=\"800\" height=\"445\" srcset=\"https:\/\/mereusanatosi.ro\/wp\/wp-content\/uploads\/2018\/05\/vedere-800x445-1024x569.jpg 1024w, https:\/\/mereusanatosi.ro\/wp\/wp-content\/uploads\/2018\/05\/vedere-800x445-300x167.jpg 300w, https:\/\/mereusanatosi.ro\/wp\/wp-content\/uploads\/2018\/05\/vedere-800x445-768x427.jpg 768w, https:\/\/mereusanatosi.ro\/wp\/wp-content\/uploads\/2018\/05\/vedere-800x445-800x445.jpg 800w, https:\/\/mereusanatosi.ro\/wp\/wp-content\/uploads\/2018\/05\/vedere-800x445.jpg 1067w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-2114\" class=\"wp-caption-text\">Surs\u0103 foto: http:\/\/www.isaudebahia.com.br<\/figcaption><\/figure>\n<p><strong>\u00a0<\/strong><\/p>\n<p>Cercet\u0103torii de la Universitatea din Bradford, Marea Britanie, au descoperit o nou\u0103 tehnic\u0103 care ar putea ajuta la \u00eembun\u0103t\u0103\u021birea diagnostic\u0103rii tulbur\u0103rilor de vedere.<\/p>\n<p>\u00cen urma unui studiu, oamenii de \u0219tiin\u021b\u0103 au demonstrat c\u0103 aceast\u0103 tehnic\u0103 poate izola r\u0103spunsurile de la diferite celule ale retinei, inclusiv pe cele mai vulnerabile la leziuni \u0219i boli, cunoscute sub numele de fotoreceptori S-con. Fotoreceptorii conici r\u0103spund la lumina lungimilor de und\u0103 scurte \u0219i ne ajut\u0103 s\u0103 vedem partea albastr\u0103 a spectrului de culori. Afec\u021biunile care duc la degenerarea acestor conuri sunt: diabetul tip I \u0219i II, glaucomul \u0219i hipertensiunea arterial\u0103.<\/p>\n<p>&#8220;Diagnosticarea unor afec\u021biuni oculare poate fi dificil\u0103, deoarece exist\u0103 foarte multe simptome comune \u00een cazul bolilor diferite, cum ar fi vederea ince\u021bosat\u0103 sau distorsionat\u0103. \u00cen\u021belegerea activit\u0103\u021bii celulelor oculare afectate poate fi cheia unei diagnoze precise&#8221;, sus\u021bine dr. Declan McKeefry de la Universitatea din Bradford.<\/p>\n<p>Metoda standard de diagnosticare implic\u0103 utilizarea luminii la nivelul ochiului \u0219i m\u0103surarea r\u0103spunsului, utiliz\u00e2nd o electroretinogram\u0103. Cu toate aceastea, exist\u0103 foarte multe cazuri \u00een care r\u0103spunsul poate masca anumite boli \u00een care S-conurile sunt afectate \u00een mod dispropor\u021bionat.<\/p>\n<p>Dr. McKeefry a folosit stimuli la diferite lungimi de und\u0103 pentru a opri conurile L \u0219i M, astfel \u00eenc\u00e2t, numai semnalele de la conurile S s\u0103 fie preluate. Acesta a observat c\u0103 r\u0103spunsurile de la conurile S au fost preluate independent de celelalte celule, dovedind c\u0103 tehnica ar putea fi utilizat\u0103 cu \u00eencredere pentru evaluarea activit\u0103\u021bii acestui con. Aceast\u0103 tehnic\u0103 este cunoscut\u0103 sub numele de <strong>&#8220;substitu\u021bie tripl\u0103 silen\u021bioas\u0103&#8221;<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<p>Surs\u0103:\u00a0 https:\/\/www.news-medical.net\/news\/20180502\/New-technique-developed-to-improve-diagnosis-of-vision-disorders.aspx<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Cercet\u0103torii de la Universitatea din Bradford, Marea Britanie, au descoperit o nou\u0103 tehnic\u0103 care ar putea ajuta la \u00eembun\u0103t\u0103\u021birea<\/p>\n","protected":false},"author":1,"featured_media":2114,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[101,218,64],"tags":[429,437],"_links":{"self":[{"href":"https:\/\/mereusanatosi.ro\/wp\/wp-json\/wp\/v2\/posts\/2113"}],"collection":[{"href":"https:\/\/mereusanatosi.ro\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mereusanatosi.ro\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mereusanatosi.ro\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mereusanatosi.ro\/wp\/wp-json\/wp\/v2\/comments?post=2113"}],"version-history":[{"count":1,"href":"https:\/\/mereusanatosi.ro\/wp\/wp-json\/wp\/v2\/posts\/2113\/revisions"}],"predecessor-version":[{"id":2115,"href":"https:\/\/mereusanatosi.ro\/wp\/wp-json\/wp\/v2\/posts\/2113\/revisions\/2115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mereusanatosi.ro\/wp\/wp-json\/wp\/v2\/media\/2114"}],"wp:attachment":[{"href":"https:\/\/mereusanatosi.ro\/wp\/wp-json\/wp\/v2\/media?parent=2113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mereusanatosi.ro\/wp\/wp-json\/wp\/v2\/categories?post=2113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mereusanatosi.ro\/wp\/wp-json\/wp\/v2\/tags?post=2113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}