{"id":73649,"date":"2025-03-04T07:14:39","date_gmt":"2025-03-04T06:14:39","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=73649"},"modified":"2025-03-04T07:14:39","modified_gmt":"2025-03-04T06:14:39","slug":"vedci-potvrdili-primou-souvislost-mezi-casem-pred-obrazovkou-a-kratkozrakosti-jak-ji-zabranit","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/03\/04\/vedci-potvrdili-primou-souvislost-mezi-casem-pred-obrazovkou-a-kratkozrakosti-jak-ji-zabranit\/","title":{"rendered":"V\u011bdci potvrdili p\u0159\u00edmou souvislost mezi \u010dasem p\u0159ed obrazovkou a kr\u00e1tkozrakost\u00ed. Jak j\u00ed zabr\u00e1nit?"},"content":{"rendered":"
<\/div>\n

V p\u0159evratn\u00e9 studii publikovan\u00e9 v odborn\u00e9m \u010dasopise\u00a0<\/span>JAMA Network Open<\/span><\/em>\u00a0v\u00fdzkumn\u00edci potvrdili p\u0159\u00edmou korelaci mezi del\u0161\u00edm \u010dasem str\u00e1ven\u00fdm p\u0159ed obrazovkou a rizikem vzniku kr\u00e1tkozrakosti (myopi\u00ed), zejm\u00e9na u d\u011bt\u00ed.<\/span><\/p>\n

Studie, kter\u00e1 analyzovala \u00fadaje ze 45 studi\u00ed zahrnuj\u00edc\u00edch v\u00edce ne\u017e 335 000 \u00fa\u010dastn\u00edk\u016f, zjistila, \u017ee ka\u017ed\u00e1 dal\u0161\u00ed hodina \u010dasu str\u00e1ven\u00e9ho p\u0159ed obrazovkou denn\u011b po prvn\u00ed hodin\u011b zvy\u0161uje pravd\u011bpodobnost vzniku kr\u00e1tkozrakosti o 21 procent.<\/span><\/p>\n

Toto zji\u0161t\u011bn\u00ed podtrhuje rostouc\u00ed obavy o zdrav\u00ed, proto\u017ee d\u011bti st\u00e1le \u010dast\u011bji pou\u017e\u00edvaj\u00ed digit\u00e1ln\u00ed za\u0159\u00edzen\u00ed ve st\u00e1le mlad\u0161\u00edm v\u011bku.<\/span><\/p>\n

Metaanal\u00fdza brala v \u00favahu r\u016fzn\u00e1 digit\u00e1ln\u00ed za\u0159\u00edzen\u00ed, v\u010detn\u011b chytr\u00fdch telefon\u016f, tablet\u016f, hern\u00edch konzol\u00ed, po\u010d\u00edta\u010d\u016f a televizn\u00edch p\u0159ij\u00edma\u010d\u016f. Anal\u00fdza odhalila slo\u017eit\u00fd vztah mezi \u010dasem str\u00e1ven\u00fdm p\u0159ed obrazovkou a rizikem kr\u00e1tkozrakosti.<\/span><\/p>\n

V\u011bdci, kte\u0159\u00ed jsou znepokojeni v\u0161udyp\u0159\u00edtomnost\u00ed digit\u00e1ln\u00edch obrazovek v modern\u00edm \u017eivot\u011b, zd\u016fraznili pot\u0159ebu lep\u0161\u00edho pochopen\u00ed toho, jak tato za\u0159\u00edzen\u00ed ovliv\u0148uj\u00ed zdrav\u00ed o\u010d\u00ed, zejm\u00e9na u d\u011bt\u00ed.<\/span><\/p>\n

\u201eJeliko\u017e d\u011bti st\u00e1le v\u00edce pou\u017e\u00edvaj\u00ed inteligentn\u00ed za\u0159\u00edzen\u00ed ve st\u00e1le mlad\u0161\u00edm v\u011bku a tr\u00e1v\u00ed v\u00edce \u010dasu na digit\u00e1ln\u00edch obrazovk\u00e1ch, existuje nal\u00e9hav\u00e1 pot\u0159eba l\u00e9pe pochopit souvislost mezi \u010dasem str\u00e1ven\u00fdm na digit\u00e1ln\u00ed obrazovce a kr\u00e1tkozrakost\u00ed,\u201c<\/span><\/em>\u00a0napsali v\u011bdci ve sv\u00e9m \u010dl\u00e1nku.<\/span><\/p>\n

Tuto nal\u00e9havost podtrhuje zvy\u0161uj\u00edc\u00ed se v\u00fdskyt kr\u00e1tkozrakosti, kter\u00fd postihuje p\u0159ibli\u017en\u011b 42 procent populace lid\u00ed na Z\u00e1pad\u011b, v\u010detn\u011b zna\u010dn\u00e9ho po\u010dtu d\u011bt\u00ed \u2013 a\u017e 41 procent v m\u011bstsk\u00fdch oblastech a 16 procent ve venkovsk\u00fdch oblastech.<\/span><\/p>\n

Studie nazna\u010duje, \u017ee omezen\u00ed \u010dasu str\u00e1ven\u00e9ho za den p\u0159ed obrazovkou na m\u00e9n\u011b ne\u017e jednu hodinu by mohlo potenci\u00e1ln\u011b sn\u00ed\u017eit riziko vzniku kr\u00e1tkozrakosti.<\/span><\/p>\n

Toto doporu\u010den\u00ed vych\u00e1z\u00ed z p\u0159edchoz\u00edho v\u00fdzkumu, kter\u00fd zjistil, \u017ee jen \u010das str\u00e1ven\u00fd na inteligentn\u00edch za\u0159\u00edzen\u00edch byl spojen s 26procentn\u00edm zv\u00fd\u0161en\u00edm pravd\u011bpodobnosti vzniku kr\u00e1tkozrakosti.<\/span><\/p>\n

Kdy\u017e se mezi p\u0159isp\u00edvaj\u00edc\u00ed faktory zahrnulo i pou\u017e\u00edv\u00e1n\u00ed po\u010d\u00edta\u010de, pravd\u011bpodobnost vzrostla o 77 procent.<\/span><\/p>\n

Pro\u010d to zv\u00fd\u0161en\u00e9 riziko?<\/span><\/h2>\n

Kr\u00e1tkozrakost (myopatie) nastane, kdy\u017e se oko prodlou\u017e\u00ed zep\u0159edu dozadu, co\u017e zp\u016fsob\u00ed, \u017ee se sv\u011btlo zaost\u0159\u00ed p\u0159ed s\u00edtnic\u00ed, a ne p\u0159\u00edmo na ni. To m\u00e1 za n\u00e1sledek, \u017ee vzd\u00e1len\u00e9 objekty vypadaj\u00ed rozmazan\u011b.<\/span><\/p>\n

Optometristka Dr. Meenal Agarwalov\u00e1, majitelka n\u011bkolika optometrick\u00fdch klinik, vysv\u011btlila mechanismus tohoto jevu:<\/span><\/p>\n

\u201eJe to kontraintuitivn\u00ed, ale teorie \u0159\u00edk\u00e1, \u017ee zaost\u0159ov\u00e1n\u00ed na bl\u00edzk\u00e9 p\u0159edm\u011bty na del\u0161\u00ed dobu m\u016f\u017ee zp\u016fsobit p\u0159et\u00ed\u017een\u00ed zaost\u0159ovac\u00edho syst\u00e9mu oka, co\u017e n\u00e1sledn\u011b ovlivn\u00ed jeho tvar. To zp\u016fsob\u00ed, \u017ee se prodlou\u017e\u00ed v\u00edce, ne\u017e by bylo p\u0159irozen\u00e9,\u201c<\/span><\/em> uvedla Dr. Agarwalov\u00e1 pro port\u00e1l The Epoch Times.<\/span><\/p>\n

D\u00e1le poznamenala, \u017ee toto p\u0159et\u00ed\u017een\u00ed je obzvl\u00e1\u0161t\u011b v\u00fdrazn\u00e9 p\u0159i pohledu na p\u0159edm\u011bty bl\u00ed\u017ee ne\u017e 56 centimetr\u016f k obli\u010deji, co\u017e je b\u011b\u017en\u00fd sc\u00e9n\u00e1\u0159 p\u0159i pou\u017e\u00edv\u00e1n\u00ed digit\u00e1ln\u00edch obrazovek.<\/span><\/p>\n

P\u0159i pohledu na obrazovku si o\u010di zachov\u00e1vaj\u00ed pevn\u00e9 zaost\u0159en\u00ed na bl\u00edzkou vzd\u00e1lenost, \u010d\u00edm\u017e br\u00e1n\u00ed p\u0159irozen\u00e9mu p\u0159ep\u00edn\u00e1n\u00ed mezi zaost\u0159ov\u00e1n\u00edm na bl\u00edzk\u00e9 a vzd\u00e1len\u00e9 p\u0159edm\u011bty v p\u0159irozen\u00e9m prost\u0159ed\u00ed.<\/span><\/p>\n

Toto \u010dasov\u011b dlouh\u00e9 zaost\u0159en\u00ed na bl\u00edzko m\u016f\u017ee nam\u00e1hat o\u010dn\u00ed svaly a potenci\u00e1ln\u011b p\u0159isp\u00edvat k prodlu\u017eov\u00e1n\u00ed oka, \u010d\u00edm\u017e se zvy\u0161uje riziko kr\u00e1tkozrakosti.<\/span><\/p>\n

Jak sn\u00ed\u017eit riziko kr\u00e1tkozrakosti<\/span><\/h2>\n

Dr. Agarwalov\u00e1 doporu\u010duje n\u011bkolik strategi\u00ed ke zm\u00edrn\u011bn\u00ed rizika kr\u00e1tkozrakosti, se zvl\u00e1\u0161tn\u00edm d\u016frazem na zv\u00fd\u0161en\u00ed \u010dasu p\u0159i aktivit\u00e1ch venku.<\/span><\/p>\n

\u201eStudie zjistily, \u017ee d\u011bti, kter\u00e9 tr\u00e1v\u00ed v\u00edce \u010dasu venku, se vyzna\u010duj\u00ed tendenc\u00ed m\u00edt ni\u017e\u0161\u00ed riziko vzniku kr\u00e1tkozrakosti,\u201c<\/span><\/em>\u00a0\u0159ekla.<\/span><\/p>\n

\u201eVystaven\u00ed p\u0159irozen\u00e9mu sv\u011btlu a zaost\u0159ov\u00e1n\u00ed na p\u0159edm\u011bty v r\u016fzn\u00fdch vzd\u00e1lenostech, jak to b\u011b\u017en\u011b d\u011bl\u00e1me venku, pom\u00e1h\u00e1 zabra\u0148ovat vzniku kr\u00e1tkozrakosti.\u201c<\/span><\/em><\/p>\n

Dr. Agarwalov\u00e1 navrhuje, aby d\u011bti a dosp\u011bl\u00ed tr\u00e1vili venku p\u0159ibli\u017en\u011b dv\u011b hodiny denn\u011b, co\u017e jim v\u00fdrazn\u011b pom\u016f\u017ee p\u0159edch\u00e1zet nebo odd\u00e1lit n\u00e1stup kr\u00e1tkozrakosti. Rozhoduj\u00edc\u00ed jsou tak\u00e9 opat\u0159en\u00ed p\u0159i pr\u00e1ci jako nap\u0159\u00edklad pravideln\u00e9 p\u0159est\u00e1vky.<\/span><\/p>\n

Doporu\u010duje dodr\u017eovat \u201epravidlo 20-20-20\u201c, kter\u00e9 zahrnuje d\u00e1t si p\u0159est\u00e1vku ka\u017ed\u00fdch 20 minut a 20 sekund se d\u00edvat na n\u011bco vzd\u00e1len\u00e9ho 20 stop (6 metr\u016f). Pro d\u011bti, kter\u00e9 u\u017e jsou kr\u00e1tkozrak\u00e9, Dr. Agarwalov\u00e1 doporu\u010duje prodiskutovat mo\u017enosti \u0159e\u0161en\u00ed kr\u00e1tkozrakosti s o\u010dn\u00edm l\u00e9ka\u0159em.<\/span><\/p>\n

Tyto mo\u017enosti zahrnuj\u00ed br\u00fdle, kontaktn\u00ed \u010do\u010dky a l\u00e9\u010dby, jako jsou atropinov\u00e9 o\u010dn\u00ed kapky, z nich\u017e v\u0161echny prokazateln\u011b zpomaluj\u00ed progresi kr\u00e1tkozrakosti.<\/span><\/p>\n

Zji\u0161t\u011bn\u00ed t\u00e9to komplexn\u00ed studie zd\u016fraz\u0148uj\u00ed nal\u00e9havou pot\u0159ebu, aby rodi\u010de, pedagogov\u00e9 a poskytovatel\u00e9 zdravotn\u00ed p\u00e9\u010de byli ostra\u017eit\u00ed, pokud jde o \u010das str\u00e1ven\u00fd d\u011btmi p\u0159ed obrazovkami.<\/span><\/p>\n

Zaveden\u00edm jednoduch\u00fdch strategi\u00ed, jako je zv\u00fd\u0161en\u00ed \u010dasu venku a dodr\u017eov\u00e1n\u00ed pravidla 20-20-20, lze v\u00fdrazn\u011b sn\u00ed\u017eit riziko vzniku kr\u00e1tkozrakosti. (Souvisej\u00edc\u00ed:\u00a0<\/span>Slune\u010dn\u00ed sv\u011btlo<\/span><\/a>\u00a0je zdrav\u00e9 pro o\u010di \u2013 miliony d\u011bt\u00ed maj\u00ed zhor\u0161en\u00fd zrak v d\u016fsledku nedostatku p\u0159irozen\u00e9ho sv\u011btla.)<\/span><\/p>\n

Z\u00e1v\u011br<\/span><\/h2>\n

O p\u0159\u00edrodn\u00edm zp\u016fsobu zlep\u0161en\u00ed zraku jsme p\u0159ed \u010dasem publikovali tak\u00e9 samostatnou elektronickou knihu. V\u00edce informac\u00ed o n\u00ed naleznete\u00a0<\/span>ZDE<\/span><\/strong><\/a>\u00a0\u00a0(o jej\u00ed \u010desk\u00e9 verzi\u00a0\u00a0<\/span>ZDE<\/span><\/strong><\/a>\u00a0).<\/span><\/p>\n

V t\u00e9to e-knize se dozv\u00edte v\u0161e pot\u0159ebn\u00e9 k tomu, abyste si zlep\u0161ili ostrost vid\u011bn\u00ed p\u0159i kr\u00e1tkozrakosti i dlouhozrakosti. Kniha se v\u011bnuje nap\u0159\u00edklad i jedn\u00e9 speci\u00e1ln\u00ed, p\u0159es 100 let star\u00e9 metod\u011b procvi\u010dov\u00e1n\u00ed zraku, kter\u00e1 byla natolik \u00fa\u010dinn\u00e1, \u017ee se proti n\u00ed ameri\u010dt\u00ed o\u010dn\u00ed l\u00e9ka\u0159i vzbou\u0159ili a cht\u011bli ji zak\u00e1zat, nebo\u0165 se ob\u00e1vali, \u017ee z\u016fstanou bez pr\u00e1ce.<\/span><\/p>\n

Autor: Belle Carter, Zdroj:\u00a0<\/span>naturalnews.com<\/span><\/a><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

V p\u0159evratn\u00e9 studii publikovan\u00e9 v odborn\u00e9m \u010dasopise\u00a0JAMA Network Open\u00a0v\u00fdzkumn\u00edci potvrdili p\u0159\u00edmou korelaci mezi del\u0161\u00edm \u010dasem…<\/p>\n","protected":false},"author":2,"featured_media":73650,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[8672,839,1561,8673],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/73649"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=73649"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/73649\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/73650"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=73649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=73649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=73649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}