{"id":3294,"date":"2013-03-22T10:21:53","date_gmt":"2013-03-22T09:21:53","guid":{"rendered":"https:\/\/www.bcnbaixavisio.com\/2019\/01\/21\/troben-els-gens-de-la-miopia\/"},"modified":"2019-01-21T10:22:20","modified_gmt":"2019-01-21T09:22:20","slug":"troben-els-gens-de-la-miopia","status":"publish","type":"post","link":"https:\/\/www.bcnbaixavisio.com\/ca\/2013\/03\/22\/troben-els-gens-de-la-miopia\/","title":{"rendered":"Troben els gens de la miopia"},"content":{"rendered":"<p>Podran els miops dir ad\u00e9u per sempre a les ulleres i les lents de contacte? Aquest podria ser el resultat d&#8217;un estudi encap\u00e7alat per <strong>cient\u00edfics<\/strong> del <strong>King&#8217;s College de Londres<\/strong> (Regne Unit) que ha perm\u00e8s <strong>identificar 24 gens que causen miopia<\/strong>, una de les principals causes de discapacitat visual en el m\u00f3n. Les troballes, publicats en la revista Nature Genetics i aconseguits partir de dades de m\u00e9s de 45.000 persones, podrien portar a identificar millors tractaments o maneres de prevenir la malaltia. Una gran not\u00edcia tenint en compte que el 30% dels occidentals i fins al 80% dels asi\u00e0tics s\u00f3n miops.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-740\" alt=\"Genes causantes de la miop\u00eda\" title=\"Genes causantes de la miop\u00eda src=\"http:\/\/www.bcnbaixavisio.com\/wp-content\/uploads\/2013\/03\/genes-causantes-de-la-miopia.jpg\" width=\"500\" height=\"333\" srcset=\"https:\/\/www.bcnbaixavisio.com\/wp-content\/uploads\/2013\/03\/genes-causantes-de-la-miopia.jpg 500w, https:\/\/www.bcnbaixavisio.com\/wp-content\/uploads\/2013\/03\/genes-causantes-de-la-miopia-300x200.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Durant el desenvolupament visual en la inf\u00e0ncia i l&#8217;adolesc\u00e8ncia, l&#8217;ull creix, per\u00f2 en els miops creix massa i s&#8217;allarga de tal manera que la llum que entra en l&#8217;ull s&#8217;enfoca enfront de la retina en lloc de sobre ella. Aix\u00f2 d\u00f3na com a resultat la percepci\u00f3 d&#8217;una imatge borrosa. L&#8217;error diafrictivo de l&#8217;ull miop es pot corregir de moment amb ulleres, lents de contacte o cirurgia, per\u00f2 fins i tot amb aquests remeis l&#8217;ull continua sent m\u00e9s llarg i la retina m\u00e9s prima, la qual cosa a la llarga pot conduir a despreniments de retina o glaucoma.<\/p>\n<p>Els gens identificats ara com a responsables de la miopia afecten tant el funcionament de la visi\u00f3 en el cervell i la senyalitzaci\u00f3 de teixit ocular, com a l&#8217;estructura i el desenvolupament de l&#8217;ull. &#8220;Ja sab\u00edem que la miopia tendeix a donar-se en fam\u00edlies, per\u00f2 fins ara coneix\u00edem poc sobre les causes gen\u00e8tiques. Aquest estudi revela per primera vegada un grup de gens que associats amb la miopia i que els portadors d&#8217;alguns d&#8217;aquests gens tenen un risc deu vegades major de desenvolupar la malaltia&#8221; ha explicat Chris Hammond, expert en epidemiologia gen\u00e8tica i principal autor de l&#8217;estudi.<\/p>\n<p>D&#8217;altra banda, tamb\u00e9 existeixen factors ambientals, com la lectura, la falta d&#8217;exposici\u00f3 a l&#8217;aire lliure i un major nivell d&#8217;educaci\u00f3, que poden augmentar el risc de miopia, una patologia que ha demostrat tamb\u00e9 ser m\u00e9s comuna en les persones que viuen en zones urbanes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Podran els miops dir ad\u00e9u per sempre a les ulleres i les lents de contacte? Aquest podria ser el resultat d&#8217;un estudi encap\u00e7alat per cient\u00edfics del King&#8217;s College de Londres (Regne Unit) que ha perm\u00e8s identificar 24 gens que causen miopia, una de les principals causes de discapacitat visual en el m\u00f3n. Les troballes, publicats [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"categories":[173],"tags":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"Podran els miops dir ad\u00e9u per sempre a les ulleres i les lents de contacte? 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