{"id":79031,"date":"2025-05-18T00:16:08","date_gmt":"2025-05-17T22:16:08","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=79031"},"modified":"2025-05-17T15:49:02","modified_gmt":"2025-05-17T13:49:02","slug":"jak-predchazet-a-lecit-digitalni-unavu-oci","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/05\/18\/jak-predchazet-a-lecit-digitalni-unavu-oci\/","title":{"rendered":"Jak p\u0159edch\u00e1zet a l\u00e9\u010dit digit\u00e1ln\u00ed \u00fanavu o\u010d\u00ed"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<div class=\"elementor-element elementor-element-1fb4c2c elementor-widget elementor-widget-theme-post-content\" data-id=\"1fb4c2c\" data-element_type=\"widget\" data-widget_type=\"theme-post-content.default\">\n<div class=\"elementor-widget-container\">\n<p class=\"has-medium-font-size\"><strong><span>P\u0159\u00edb\u011bh v kostce<\/span><\/strong><\/p>\n<ul>\n<li><span>55 % a\u017e 81 % u\u017eivatel\u016f obrazovek trp\u00ed digit\u00e1ln\u00ed \u00fanavou o\u010d\u00ed, kter\u00e1 vede k rozmazan\u00e9mu vid\u011bn\u00ed, \u00fanav\u011b o\u010d\u00ed, bolestem hlavy a krku v d\u016fsledku dlouhodob\u00e9ho pou\u017e\u00edv\u00e1n\u00ed digit\u00e1ln\u00edch za\u0159\u00edzen\u00ed.<\/span><\/li>\n<li><span>Faktory prost\u0159ed\u00ed, jako je nespr\u00e1vn\u00e9 osv\u011btlen\u00ed, uspo\u0159\u00e1d\u00e1n\u00ed pracovi\u0161t\u011b a um\u00edst\u011bn\u00ed obrazovky, p\u0159isp\u00edvaj\u00ed k nam\u00e1h\u00e1n\u00ed o\u010d\u00ed a zhor\u0161uj\u00ed p\u0159\u00edznaky.<\/span><\/li>\n<li><span>Pravideln\u00e9 p\u0159est\u00e1vky a omezen\u00ed \u010dasu str\u00e1ven\u00e9ho u obrazovky pom\u00e1haj\u00ed sni\u017eovat nam\u00e1h\u00e1n\u00ed o\u010d\u00ed t\u00edm, \u017ee uvol\u0148uj\u00ed o\u010dn\u00ed svaly a normalizuj\u00ed frekvenci mrk\u00e1n\u00ed.<\/span><\/li>\n<li><span>Strava hraje d\u016fle\u017eitou roli ve zdrav\u00ed o\u010d\u00ed, p\u0159i\u010dem\u017e antokyany z bobulovin a karotenoidy (lutein a zeaxanthin) z vaje\u010dn\u00e9ho \u017eloutku p\u016fsob\u00ed jako p\u0159irozen\u00e9 filtry modr\u00e9ho sv\u011btla.<\/span><\/li>\n<li><span>Digit\u00e1ln\u00ed z\u00e1t\u011b\u017e ovliv\u0148uje nejen o\u010di, ale i celkov\u00e9 zdrav\u00ed a vede k poruch\u00e1m sp\u00e1nku, muskuloskelet\u00e1ln\u00edm probl\u00e9m\u016fm a dokonce i ko\u017en\u00edm onemocn\u011bn\u00edm, jako je \u201escreen dermatitida\u201c.<\/span><\/li>\n<\/ul>\n<p><span>N\u00e1\u0161 modern\u00ed sv\u011bt je nepopirateln\u011b spjat s digit\u00e1ln\u00edmi za\u0159\u00edzen\u00edmi. Ve skute\u010dnosti se pou\u017e\u00edv\u00e1n\u00ed digit\u00e1ln\u00edch za\u0159\u00edzen\u00ed za posledn\u00ed desetilet\u00ed masivn\u011b zv\u00fd\u0161ilo nap\u0159\u00ed\u010d v\u0161emi v\u011bkov\u00fdmi skupinami. Toto neust\u00e1l\u00e9 p\u0159ipojen\u00ed s sebou p\u0159ineslo v\u00fdznamn\u00fd zdravotn\u00ed probl\u00e9m: digit\u00e1ln\u00ed \u00fanavu o\u010d\u00ed.<\/span><\/p>\n<p><span>Digit\u00e1ln\u00ed \u00fanava o\u010d\u00ed, zn\u00e1m\u00e1 tak\u00e9 jako syndrom po\u010d\u00edta\u010dov\u00e9ho vid\u011bn\u00ed (CVS), je soubor o\u010dn\u00edch, muskuloskelet\u00e1ln\u00edch a dokonce i behavior\u00e1ln\u00edch probl\u00e9m\u016f vyvolan\u00fdch dlouhodob\u00fdm pou\u017e\u00edv\u00e1n\u00edm digit\u00e1ln\u00edch obrazovek, v\u010detn\u011b rozmazan\u00e9ho vid\u011bn\u00ed, unaven\u00fdch o\u010d\u00ed, bolest\u00ed hlavy a krku.<\/span><\/p>\n<p><span>Vzhledem k tomu, \u017ee se st\u00e1le v\u00edce spol\u00e9h\u00e1me na obrazovky, je st\u00e1le d\u016fle\u017eit\u011bj\u0161\u00ed porozum\u011bt digit\u00e1ln\u00ed \u00fanav\u011b o\u010d\u00ed a tomu, jak zm\u00edrnit jej\u00ed dopady. Dobrou zpr\u00e1vou je, \u017ee v\u00fdzkum poskytuje cenn\u00e9 poznatky o p\u0159\u00ed\u010din\u00e1ch a \u0159e\u0161en\u00edch tohoto roz\u0161\u00ed\u0159en\u00e9ho probl\u00e9mu.<\/span><\/p>\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\">\n<div class=\"wp-block-embed__wrapper\"><iframe loading=\"lazy\" title=\"Co z\u00edr\u00e1n\u00ed na obrazovky skute\u010dn\u011b d\u011bl\u00e1 s va\u0161\u00edm t\u011blem | Mercola Cellular Wisdom\" src=\"https:\/\/www.youtube.com\/embed\/jEHgII6V0so?feature=oembed\" width=\"800\" height=\"450\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<\/figure>\n<h2 class=\"wp-block-heading has-medium-font-size\"><span>K digit\u00e1ln\u00ed \u00fanav\u011b o\u010d\u00ed p\u0159isp\u00edv\u00e1 mnoho faktor\u016f<\/span><\/h2>\n<p><span>Recenze publikovan\u00e1 v \u010dasopise Medicina zkoumala environment\u00e1ln\u00ed, vizu\u00e1ln\u00ed a fyzik\u00e1ln\u00ed faktory, kter\u00e9 p\u0159isp\u00edvaj\u00ed k digit\u00e1ln\u00ed \u00fanav\u011b o\u010d\u00ed. C\u00edlem t\u00e9to recenze bylo shrnout nejnov\u011bj\u0161\u00ed v\u011bdeck\u00e9 d\u016fkazy, kter\u00e9 by oftalmolog\u016fm i jednotlivc\u016fm poskytly \u00fa\u010dinn\u00e9 strategie pro zvl\u00e1d\u00e1n\u00ed tohoto roz\u0161\u00ed\u0159en\u00e9ho onemocn\u011bn\u00ed.<\/span><\/p>\n<p><span>Vyhodnocen\u00ed \u010detn\u00fdch studi\u00ed zjistilo, \u017ee astenopie, stav b\u011b\u017en\u011b zn\u00e1m\u00fd jako \u00fanava o\u010d\u00ed nebo nam\u00e1h\u00e1n\u00ed o\u010d\u00ed, je pozoruhodn\u011b \u010dast\u00fd u lid\u00ed, kte\u0159\u00ed pravideln\u011b pou\u017e\u00edvaj\u00ed vizu\u00e1ln\u00ed zobrazovac\u00ed za\u0159\u00edzen\u00ed, jako jsou obrazovky po\u010d\u00edta\u010d\u016f. Studie ve skute\u010dnosti ukazuj\u00ed, \u017ee 55 % a\u017e 81 % u\u017eivatel\u016f obrazovek trp\u00ed astenopi\u00ed.<\/span><\/p>\n<p><span>Je zaj\u00edmav\u00e9, \u017ee a\u010dkoliv zat\u00edm nen\u00ed jasn\u00e9, zda m\u00e1 v\u011bk p\u0159\u00edm\u00fd vliv na rozvoj astenopie p\u0159i pou\u017e\u00edv\u00e1n\u00ed po\u010d\u00edta\u010de, existuj\u00ed d\u016fkazy o tom, \u017ee pravd\u011bpodobnost astenopie se zvy\u0161uje, pokud za\u010dnete pou\u017e\u00edvat obrazovky v mlad\u00e9m v\u011bku.<\/span><\/p>\n<p><span>Krom\u011b toho jsou lid\u00e9 nad 30 let n\u00e1chyln\u011bj\u0161\u00ed k rozvoji syndromu such\u00fdch o\u010d\u00ed, kter\u00fd souvis\u00ed konkr\u00e9tn\u011b s pou\u017e\u00edv\u00e1n\u00edm digit\u00e1ln\u00edch obrazovek. Za zm\u00ednku tak\u00e9 stoj\u00ed, \u017ee \u017eeny uv\u00e1d\u011bj\u00ed astenopii \u010dast\u011bji ne\u017e mu\u017ei, co\u017e nazna\u010duje, \u017ee pohlav\u00ed m\u016f\u017ee hr\u00e1t roli v projevech t\u011bchto symptom\u016f.<\/span><\/p>\n<p><span>Krom\u011b obecn\u00e9 \u00fanavy o\u010d\u00ed studie Medicina zd\u016fraznila, \u017ee dlouhodob\u00e9 pou\u017e\u00edv\u00e1n\u00ed obrazovek naru\u0161uje r\u016fzn\u00e9 aspekty zraku a funkce o\u010d\u00ed. Nap\u0159\u00edklad dlouhodob\u00e1 pr\u00e1ce zbl\u00edzka na za\u0159\u00edzen\u00edch, jako jsou mobiln\u00ed telefony, byla spojov\u00e1na se stavem zvan\u00fdm akutn\u00ed z\u00edskan\u00e1 komorbidita (AACE), zejm\u00e9na u mlad\u0161\u00edch lid\u00ed. Tento stav, kdy se o\u010di st\u00e1\u010d\u00ed dovnit\u0159, vede k dvojit\u00e9mu vid\u011bn\u00ed a pokud p\u0159etrv\u00e1v\u00e1, k amblyopii, zn\u00e1m\u00e9 tak\u00e9 jako l\u00edn\u00e9 oko.<\/span><\/p>\n<p><span>Typ za\u0159\u00edzen\u00ed a zp\u016fsob jeho pou\u017e\u00edv\u00e1n\u00ed maj\u00ed tak\u00e9 v\u00fdznamn\u00fd vliv na \u00farove\u0148 nam\u00e1h\u00e1n\u00ed o\u010d\u00ed. Studie poukazuje na to, \u017ee dlouhodob\u00e9 pou\u017e\u00edv\u00e1n\u00ed chytr\u00fdch telefon\u016f a po\u010d\u00edta\u010d\u016f\u00a0je spojeno s vy\u0161\u0161\u00ed \u00farovn\u00ed\u00a0<\/span><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2025\/01\/14\/screen-time-during-lockdowns-myopia-epidemic.aspx\" target=\"_blank\" rel=\"noreferrer noopener\"><span>kr\u00e1tkozrakosti (myopie)<\/span><\/a><span>\u00a0ve srovn\u00e1n\u00ed s pou\u017e\u00edv\u00e1n\u00edm tablet\u016f nebo televize .\u00a0Je zaj\u00edmav\u00e9, \u017ee studie zkoumaj\u00edc\u00ed vztah mezi pou\u017e\u00edv\u00e1n\u00edm obrazovky a nitroo\u010dn\u00edm tlakem (IOP), tlakem uvnit\u0159 oka, tak\u00e9 poskytly d\u016fle\u017eit\u00e9 poznatky.<\/span><\/p>\n<p><span>Jedna studie zjistila mal\u00e9, ale znateln\u00e9 zv\u00fd\u0161en\u00ed nitroo\u010dn\u00edho tlaku spojen\u00e9 s pou\u017e\u00edv\u00e1n\u00edm chytr\u00fdch telefon\u016f a tato zm\u011bna tlaku byla je\u0161t\u011b v\u00fdrazn\u011bj\u0161\u00ed za zhor\u0161en\u00fdch sv\u011bteln\u00fdch podm\u00ednek. To je obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e9 pro lidi s onemocn\u011bn\u00edmi, jako je norm\u00e1ln\u00ed\u00a0<\/span><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2025\/02\/10\/statins-raise-glaucoma-risk.aspx\" target=\"_blank\" rel=\"noreferrer noopener\"><span>tenzn\u00ed glaukom<\/span><\/a><span>\u00a0, u kter\u00fdch by pou\u017e\u00edv\u00e1n\u00ed chytr\u00fdch telefon\u016f v tmav\u00e9m prost\u0159ed\u00ed mohlo d\u00e1le zv\u00fd\u0161it nitroo\u010dn\u00ed tlak.<\/span><\/p>\n<p><span>Podle studie maj\u00ed faktory prost\u0159ed\u00ed na pracovi\u0161ti tak\u00e9 v\u00fdznamn\u00fd vliv na vizu\u00e1ln\u00ed pohodl\u00ed p\u0159i pr\u00e1ci s obrazovkami. Osv\u011btlen\u00ed sm\u011b\u0159uj\u00edc\u00ed na obrazovku sni\u017euje kontrast textu, co\u017e vede ke zv\u00fd\u0161en\u00e9 \u00fanav\u011b a nepohodl\u00ed o\u010d\u00ed. Naopak, nastaviteln\u00e9 osv\u011btlen\u00ed pracovi\u0161t\u011b prokazateln\u011b sni\u017euje jak zrakovou, tak svalovou z\u00e1t\u011b\u017e a z\u00e1rove\u0148 zlep\u0161uje dr\u017een\u00ed t\u011bla.<\/span><\/p>\n<h2 class=\"wp-block-heading has-medium-font-size\"><span>Pracovn\u00ed a \u017eivotn\u00ed n\u00e1vyky ovliv\u0148uj\u00ed digit\u00e1ln\u00ed nam\u00e1h\u00e1n\u00ed o\u010d\u00ed<\/span><\/h2>\n<p><span>Pracovn\u00ed n\u00e1vyky, zejm\u00e9na doba pou\u017e\u00edv\u00e1n\u00ed obrazovky, hraj\u00ed kl\u00ed\u010dovou roli v digit\u00e1ln\u00edm nam\u00e1h\u00e1n\u00ed o\u010d\u00ed. Studie spole\u010dnosti Medicina zd\u016fraz\u0148uje, \u017ee del\u0161\u00ed \u010das str\u00e1ven\u00fd u obrazovky p\u0159\u00edmo koreluje s v\u00fdrazn\u011bj\u0161\u00edmi zrakov\u00fdmi p\u0159\u00edznaky. Abyste tomu p\u0159ede\u0161li, je nezbytn\u00e9 strukturovat pr\u00e1ci na po\u010d\u00edta\u010di s \u010dast\u00fdmi p\u0159est\u00e1vkami.<\/span><\/p>\n<p><span>Rozvrhy, kter\u00e9 zahrnuj\u00ed kr\u00e1tk\u00e9 p\u0159est\u00e1vky, jako nap\u0159\u00edklad: mikrop\u0159est\u00e1vky ka\u017ed\u00fdch 15 minut nebo p\u011btiminutov\u00e9 p\u0159est\u00e1vky ka\u017ed\u00fdch 30 minut, nejen zvy\u0161uj\u00ed efektivitu pr\u00e1ce, ale tak\u00e9 pom\u00e1haj\u00ed sni\u017eovat nam\u00e1h\u00e1n\u00ed o\u010d\u00ed a sval\u016f.<\/span><\/p>\n<p><span>Nadm\u011brn\u00fd \u010das str\u00e1ven\u00fd u obrazovek, zejm\u00e9na pou\u017e\u00edv\u00e1n\u00ed chytr\u00fdch telefon\u016f, nav\u00edc v\u00fdznamn\u011b ovliv\u0148uje kvalitu sp\u00e1nku, co\u017e m\u00e1 za n\u00e1sledek krat\u0161\u00ed dobu sp\u00e1nku a ni\u017e\u0161\u00ed jeho \u00fa\u010dinnost. Studie potvrdily, \u017ee toto\u00a0<\/span><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2025\/01\/21\/screen-time-children.aspx\" target=\"_blank\" rel=\"noreferrer noopener\"><span>naru\u0161en\u00ed sp\u00e1nkov\u00fdch vzorc\u016f<\/span><\/a><span>\u00a0je jen jedn\u00edm z mnoha fyzick\u00fdch a psychologick\u00fdch vedlej\u0161\u00edch \u00fa\u010dink\u016f spojen\u00fdch s p\u0159\u00edli\u0161 dlouh\u00fdm \u010dasem str\u00e1ven\u00fdm u obrazovky. Bylo tak\u00e9 zji\u0161t\u011bno, \u017ee v\u00edce ne\u017e \u010dty\u0159i hodiny str\u00e1ven\u00e9 u obrazovky denn\u011b v\u00fdznamn\u011b zvy\u0161uj\u00ed riziko vzniku syndromu\u00a0<\/span><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2024\/07\/18\/castor-oil-dry-eye-disease.aspx\" target=\"_blank\" rel=\"noreferrer noopener\"><span>such\u00e9ho oka<\/span><\/a><span>\u00a0, zejm\u00e9na u star\u0161\u00edch dosp\u011bl\u00fdch.<\/span><\/p>\n<p><span>Krom\u011b toho p\u0159edstavuj\u00ed dal\u0161\u00ed rizika \u017eivotn\u00ed n\u00e1vyky, jako je kou\u0159en\u00ed, proto\u017ee kou\u0159en\u00ed je zn\u00e1m\u00fdm rizikov\u00fdm faktorem pro r\u016fzn\u00e9 o\u010dn\u00ed onemocn\u011bn\u00ed, v\u010detn\u011b syndromu such\u00fdch o\u010d\u00ed a \u0161ed\u00e9ho z\u00e1kalu, co\u017e d\u00e1le komplikuje nam\u00e1h\u00e1n\u00ed o\u010d\u00ed z digit\u00e1ln\u00edch za\u0159\u00edzen\u00ed. Roli hraj\u00ed tak\u00e9 faktory souvisej\u00edc\u00ed se za\u0159\u00edzen\u00edm, jako je \u00fahel obrazovky a kvalita zobrazen\u00ed. Nevhodn\u00e9 pozorovac\u00ed \u00fahly, zejm\u00e9na obrazovky um\u00edst\u011bn\u00e9 p\u0159\u00edli\u0161 vysoko, jsou pova\u017eov\u00e1ny za hlavn\u00ed rizikov\u00fd faktor nam\u00e1h\u00e1n\u00ed o\u010d\u00ed zp\u016fsoben\u00e9 digit\u00e1ln\u00edmi za\u0159\u00edzen\u00edmi.<\/span><\/p>\n<p><span>\u0160patn\u00e9 rozli\u0161en\u00ed obrazovky a odlesky zhor\u0161uj\u00ed nam\u00e1h\u00e1n\u00ed o\u010d\u00ed, mal\u00e9 obrazovky a velikosti p\u00edsma zvy\u0161uj\u00ed nam\u00e1h\u00e1n\u00ed o\u010d\u00ed kv\u016fli probl\u00e9m\u016fm se zaost\u0159ov\u00e1n\u00edm. Stereoskopick\u00e9 3D displeje a headsety pro virtu\u00e1ln\u00ed realitu nav\u00edc zat\u011b\u017euj\u00ed akomodaci, konvergenci a dynamiku slzn\u00e9ho filmu, co\u017e vede k symptom\u016fm, jako je kinet\u00f3za a \u00fanava, zejm\u00e9na u \u017een pou\u017e\u00edvaj\u00edc\u00edch VR headsety.<\/span><\/p>\n<h2 class=\"wp-block-heading has-medium-font-size\"><span>Pou\u017e\u00edv\u00e1n\u00ed digit\u00e1ln\u00edch obrazovek ovliv\u0148uje va\u0161e o\u010di a celkov\u00e9 zdrav\u00ed<\/span><\/h2>\n<p><span>Zdrav\u00ed va\u0161eho o\u010dn\u00edho povrchu je jen jednou z oblast\u00ed, kter\u00e1 je ovlivn\u011bna pou\u017e\u00edv\u00e1n\u00edm digit\u00e1ln\u00edch obrazovek. Recenze \u010dasopisu Medicina pojedn\u00e1v\u00e1 o tom, jak dlouhodob\u00e9 pou\u017e\u00edv\u00e1n\u00ed obrazovky zhor\u0161uje spont\u00e1nn\u00ed mrk\u00e1n\u00ed, co\u017e vede ke zv\u00fd\u0161en\u00e9mu odpa\u0159ov\u00e1n\u00ed slzn\u00e9ho filmu a nepohodl\u00ed o\u010d\u00ed. Sn\u00ed\u017een\u00e1 frekvence a d\u00e9lka mrk\u00e1n\u00ed p\u0159isp\u00edv\u00e1 k rozvoji syndromu such\u00e9ho oka.<\/span><\/p>\n<p><span>Aby se tomu zabr\u00e1nilo, zpr\u00e1va doporu\u010duje preventivn\u00ed opat\u0159en\u00ed, jako jsou p\u0159est\u00e1vky na o\u010di, mrk\u00e1n\u00ed a \u00faprava faktor\u016f prost\u0159ed\u00ed, jako je vlhkost. Mrkac\u00ed cvi\u010den\u00ed, jako je kr\u00e1tk\u00e9 zav\u0159en\u00ed o\u010d\u00ed a stisknut\u00ed v\u00ed\u010dek k sob\u011b, pom\u00e1haj\u00ed zm\u00edrnit p\u0159\u00edznaky such\u00e9ho oka a zlep\u0161it kvalitu slzn\u00e9ho filmu. Pou\u017eit\u00ed stoln\u00edch zvlh\u010dova\u010d\u016f vzduchu tak\u00e9 zvy\u0161uje stabilitu slzn\u00e9ho filmu a pohodl\u00ed o\u010d\u00ed.<\/span><\/p>\n<p><span>Digit\u00e1ln\u00ed nam\u00e1h\u00e1n\u00ed o\u010d\u00ed v\u0161ak p\u0159esahuje r\u00e1mec o\u010d\u00ed. Lid\u00e9, kte\u0159\u00ed tr\u00e1v\u00ed a\u017e 12 hodin denn\u011b u digit\u00e1ln\u00edch obrazovek, mohou trp\u011bt bolestmi hlavy, poruchami sp\u00e1nku a muskuloskelet\u00e1ln\u00edmi probl\u00e9my, v\u010detn\u011b bolest\u00ed krku, ramen a zad.\u00a0<\/span><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2025\/01\/19\/postural-restoration.aspx\" target=\"_blank\" rel=\"noreferrer noopener\"><span>Nespr\u00e1vn\u00e9 dr\u017een\u00ed t\u011bla<\/span><\/a><span>\u00a0, poloha obrazovky a neergonomick\u00fd n\u00e1bytek p\u0159isp\u00edvaj\u00ed k t\u011bmto muskuloskelet\u00e1ln\u00edm probl\u00e9m\u016fm.<\/span><\/p>\n<p><span>Zejm\u00e9na pou\u017e\u00edv\u00e1n\u00ed chytr\u00fdch telefon\u016f \u010dasto vede k nep\u0159irozen\u00e9mu oh\u00fdb\u00e1n\u00ed krku, co\u017e zp\u016fsobuje \u00fanavu a bolest sval\u016f. Krom\u011b toho dlouhodob\u00e9 pou\u017e\u00edv\u00e1n\u00ed obrazovky ovliv\u0148uje tak\u00e9 z\u00e1p\u011bst\u00ed, pa\u017ee a ruce a vede k syndromu karp\u00e1ln\u00edho tunelu v d\u016fsledku tlaku na \u0161lachy z\u00e1p\u011bst\u00ed. U n\u011bkter\u00fdch lid\u00ed se tak\u00e9 rozvine \u201escreen dermatitida\u201c, ko\u017en\u00ed onemocn\u011bn\u00ed charakterizovan\u00e9 zarudnut\u00edm a podr\u00e1\u017ed\u011bn\u00edm.<\/span><\/p>\n<h2 class=\"wp-block-heading has-medium-font-size\"><span>V\u00fd\u017eiva je d\u016fle\u017eit\u00fdm faktorem pro zm\u00edrn\u011bn\u00ed digit\u00e1ln\u00ed \u00fanavy o\u010d\u00ed<\/span><\/h2>\n<p><span>M\u016f\u017ee dieta skute\u010dn\u011b pomoci va\u0161im o\u010d\u00edm l\u00e9pe zvl\u00e1dat pr\u00e1ci s obrazovkou? Tuto ot\u00e1zku zkoum\u00e1 p\u0159esv\u011bd\u010div\u00e1 studie publikovan\u00e1 v \u010dasopise Nutrients. Tato studie zkoum\u00e1 roli v\u00fd\u017eivy, zejm\u00e9na n\u011bkter\u00fdch mikro\u017eivin obsa\u017een\u00fdch v dopl\u0148c\u00edch stravy a potravin\u00e1ch, p\u0159i zm\u00edr\u0148ov\u00e1n\u00ed p\u0159\u00edznak\u016f digit\u00e1ln\u00ed \u00fanavy o\u010d\u00ed.<\/span><\/p>\n<p><span>Oxida\u010dn\u00ed po\u0161kozen\u00ed a p\u0159etrv\u00e1vaj\u00edc\u00ed z\u00e1n\u011bt jsou hlavn\u00edmi p\u0159\u00ed\u010dinami digit\u00e1ln\u00ed \u00fanavy o\u010d\u00ed. Podle studie Nutrients je konzumace spr\u00e1vn\u00fdch \u017eivin jedn\u00edm ze zp\u016fsob\u016f, jak zm\u00edrnit tyto nep\u0159\u00edjemn\u00e9 o\u010dn\u00ed p\u0159\u00edznaky.\u00a0<\/span><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2024\/05\/10\/organic-red-onions.aspx\" target=\"_blank\" rel=\"noreferrer noopener\"><span>Antokyany<\/span><\/a><span>\u00a0jsou nap\u0159\u00edklad pigmenty, kter\u00e9 dod\u00e1vaj\u00ed bobul\u00edm a barevn\u00e9 zelenin\u011b jejich z\u00e1\u0159iv\u00e9 barvy, a jsou oslavov\u00e1ny pro sv\u00e9 antioxida\u010dn\u00ed, protiz\u00e1n\u011btliv\u00e9 a imunitu posiluj\u00edc\u00ed vlastnosti.<\/span><\/p>\n<p><span>Studie zahrnut\u00e9 v p\u0159ehledu ukazuj\u00ed, \u017ee antokyany zlep\u0161uj\u00ed funkci o\u010dn\u00edch sval\u016f, co\u017e je kl\u00ed\u010dov\u00e9 pro zaost\u0159en\u00ed a sn\u00ed\u017een\u00ed nam\u00e1h\u00e1n\u00ed o\u010d\u00ed. Zejm\u00e9na\u00a0<\/span><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2023\/01\/13\/top-foods-to-improve-vision.aspx\" target=\"_blank\" rel=\"noreferrer noopener\"><span>extrakt z bor\u016fvek<\/span><\/a><span>\u00a0, kter\u00fd je bohat\u00fd na antokyany, prokazateln\u011b prosp\u00edv\u00e1 reaktivit\u011b o\u010dn\u00edch sval\u016f po kr\u00e1tk\u00e9m pou\u017e\u00edv\u00e1n\u00ed obrazovky, co\u017e nazna\u010duje, \u017ee tyto \u017eiviny by mohly pomoci o\u010d\u00edm zotavit se z nam\u00e1h\u00e1n\u00ed digit\u00e1ln\u00edch za\u0159\u00edzen\u00ed.<\/span><\/p>\n<p><span>Antokyany nav\u00edc zm\u00edr\u0148uj\u00ed subjektivn\u00ed pocit \u00fanavy o\u010d\u00ed a rozmazan\u00e9ho vid\u011bn\u00ed, ke kter\u00e9mu \u010dasto doch\u00e1z\u00ed u u\u017eivatel\u016f intenzivn\u00edho sledov\u00e1n\u00ed obrazovky.<\/span><\/p>\n<p><span>Dal\u0161\u00ed skupinou \u017eivin diskutovan\u00fdch ve studii jsou karotenoidy, zejm\u00e9na\u00a0<\/span><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2023\/07\/26\/natural-remedies-for-cataracts.aspx\" target=\"_blank\" rel=\"noreferrer noopener\"><span>lutein<\/span><\/a><span>\u00a0a zeaxanthin. Jedn\u00e1 se o makul\u00e1rn\u00ed karotenoidy, co\u017e znamen\u00e1, \u017ee jsou vysoce koncentrovan\u00e9 v makule, centr\u00e1ln\u00ed \u010d\u00e1sti s\u00edtnice, kter\u00e1 je zodpov\u011bdn\u00e1 za ostr\u00e9, centr\u00e1ln\u00ed vid\u011bn\u00ed. Lutein a zeaxanthin p\u016fsob\u00ed jako p\u0159irozen\u00e1 ochrana proti modr\u00e9mu sv\u011btlu, vysoce energetick\u00e9mu sv\u011btlu vyza\u0159ovan\u00e9mu digit\u00e1ln\u00edmi obrazovkami, jeho filtrov\u00e1n\u00edm a neutralizac\u00ed \u0161kodliv\u00fdch voln\u00fdch radik\u00e1l\u016f produkovan\u00fdch vystaven\u00edm modr\u00e9mu sv\u011btlu.<\/span><\/p>\n<p><span>Studie nazna\u010duje, \u017ee dobr\u00e9 hladiny karotenoid\u016f jsou spojeny s lep\u0161\u00edm zrakov\u00fdm v\u00fdkonem, ni\u017e\u0161\u00ed citlivost\u00ed na osln\u011bn\u00ed, lep\u0161\u00edm kontrastem a men\u0161\u00ed celkovou zrakovou \u00fanavou \u2013 to v\u0161e jsou p\u0159\u00edznaky spojen\u00e9 s digit\u00e1ln\u00edm nam\u00e1h\u00e1n\u00edm o\u010d\u00ed. Tyto karotenoidy nejsou prosp\u011b\u0161n\u00e9 jen pro zrak. V\u00fdzkum nazna\u010duje, \u017ee hraj\u00ed tak\u00e9 roli p\u0159i sni\u017eov\u00e1n\u00ed psychick\u00e9ho stresu a zlep\u0161ov\u00e1n\u00ed kvality sp\u00e1nku, kter\u00e9 jsou \u010dasto naru\u0161eny nadm\u011brn\u00fdm \u010dasem str\u00e1ven\u00fdm u obrazovek.<\/span><\/p>\n<h2 class=\"wp-block-heading has-medium-font-size\"><span>Praktick\u00e9 tipy pro prevenci a zm\u00edrn\u011bn\u00ed digit\u00e1ln\u00ed \u00fanavy o\u010d\u00ed<\/span><\/h2>\n<p><span>\u0158e\u0161en\u00ed digit\u00e1ln\u00ed \u00fanavy o\u010d\u00ed v na\u0161ich \u017eivotech zahlcen\u00fdch obrazovkami se m\u016f\u017ee zd\u00e1t jako nevyhnuteln\u00e1 sou\u010d\u00e1st dne, ale nemus\u00ed to tak b\u00fdt. Dobrou zpr\u00e1vou je, \u017ee existuj\u00ed jednoduch\u00e9 kroky, kter\u00e9 m\u016f\u017eete podniknout ke sn\u00ed\u017een\u00ed nam\u00e1h\u00e1n\u00ed o\u010d\u00ed a ochran\u011b jejich zraku. Proveden\u00edm n\u011bkolika jednoduch\u00fdch \u00faprav va\u0161ich n\u00e1vyk\u016f a prost\u0159ed\u00ed m\u016f\u017eete sn\u00ed\u017eit dopad digit\u00e1ln\u00edch za\u0159\u00edzen\u00ed na v\u00e1\u0161 zrak a celkovou pohodu. Poj\u010fme se dnes pod\u00edvat na n\u011bkolik praktick\u00fdch zp\u016fsob\u016f, jak si m\u016f\u017eete chr\u00e1nit o\u010di.<\/span><\/p>\n<ul>\n<li><strong><span>1. D\u011blejte si pravideln\u00e9 p\u0159est\u00e1vky pro o\u010di \u2013<\/span><\/strong><span>\u00a0Pokud sed\u00edte p\u0159ed obrazovkou cel\u00e9 hodiny, jsou pravideln\u00e9 vizu\u00e1ln\u00ed p\u0159est\u00e1vky z\u00e1sadn\u00ed. I kdy\u017e je pravidlo 20\/20\/20 \u2013 d\u00edvat se ze vzd\u00e1lenosti 6 metr\u016f po dobu 20 sekund ka\u017ed\u00fdch 20 minut \u2013 b\u011b\u017en\u00fdm doporu\u010den\u00edm, ned\u00e1vn\u00e9 studie nazna\u010duj\u00ed, \u017ee ani toto nesta\u010d\u00ed pro ka\u017ed\u00e9ho a jsou nutn\u00e9 del\u0161\u00ed p\u0159est\u00e1vky.<\/span><\/li>\n<li><span>Zkuste si po ka\u017ed\u00e9 hodin\u011b str\u00e1ven\u00e9 u obrazovky ud\u011blat p\u011btiminutovou pauzu. B\u011bhem t\u011bchto p\u0159est\u00e1vek se ujist\u011bte, \u017ee nep\u0159ep\u00edn\u00e1te na jinou obrazovku. M\u00edsto toho se postavte, projd\u011bte se, prot\u00e1hn\u011bte se a nechte o\u010di pln\u011b se zotavit z vid\u011bn\u00ed zbl\u00edzka. To je d\u016fle\u017eit\u00e9 pro to, aby si unaven\u00e9 o\u010dn\u00ed svaly mohly odpo\u010dinout a va\u0161e mrk\u00e1n\u00ed se vr\u00e1tilo k norm\u00e1lu, a t\u00edm si udr\u017eely o\u010di hydratovan\u00e9.<\/span><\/li>\n<li><strong><span>2. Vyh\u00fdbejte se modr\u00e9mu sv\u011btlu p\u0159ed span\u00edm \u2013<\/span><\/strong><span>\u00a0Je opravdu d\u016fle\u017eit\u00e9, abyste omezili vystaven\u00ed se\u00a0<\/span><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2023\/09\/27\/blue-light-blindness-study.aspx\" target=\"_blank\" rel=\"noreferrer noopener\"><span>modr\u00e9mu sv\u011btlu<\/span><\/a><span>\u00a0z obrazovek, zejm\u00e9na v hodin\u00e1ch p\u0159ed span\u00edm. Pou\u017e\u00edv\u00e1n\u00ed obrazovek p\u0159ed span\u00edm naru\u0161uje sp\u00e1nek a nedostatek kvalitn\u00edho sp\u00e1nku zhor\u0161uje nam\u00e1h\u00e1n\u00ed o\u010d\u00ed.<\/span><\/li>\n<li><span>Abyste tomu p\u0159ede\u0161li, sna\u017ete se po z\u00e1padu slunce vyh\u00fdbat obrazovk\u00e1m. Tak\u00e9 ve\u010der m\u00e1 vliv, kdy\u017e ztlum\u00edte sv\u011btla ve va\u0161\u00ed dom\u00e1cnosti a pou\u017eijete teplej\u0161\u00ed sv\u011bteln\u00e9 zdroje m\u00edsto jasn\u00e9ho, \u200b\u200bstuden\u00e9ho sv\u011btla. Pokud mus\u00edte v noci bezpodm\u00edne\u010dn\u011b pou\u017e\u00edvat obrazovky, zva\u017ete pou\u017eit\u00ed filtr\u016f modr\u00e9ho sv\u011btla na sv\u00fdch za\u0159\u00edzen\u00edch nebo no\u0161en\u00ed br\u00fdl\u00ed blokuj\u00edc\u00edch modr\u00e9 sv\u011btlo.<\/span><\/li>\n<li><strong><span>3. Omezte celkov\u00fd \u010das str\u00e1ven\u00fd u obrazovky \u2013<\/span><\/strong><span>\u00a0Jedn\u00edm z nejp\u0159\u00edm\u011bj\u0161\u00edch zp\u016fsob\u016f, jak sn\u00ed\u017eit nam\u00e1h\u00e1n\u00ed o\u010d\u00ed z digit\u00e1ln\u00edch za\u0159\u00edzen\u00ed, je jednodu\u0161e omezit \u010das str\u00e1ven\u00fd u obrazovky. Zamyslete se nad t\u00edm, kolik \u010dasu ve skute\u010dnosti tr\u00e1v\u00edte sledov\u00e1n\u00edm obrazovek z pracovn\u00edch i osobn\u00edch d\u016fvod\u016f. Existuj\u00ed oblasti, kde m\u016f\u017eete sn\u00ed\u017eit spot\u0159ebu?<\/span><\/li>\n<li><span>Zva\u017ete vyhrazen\u00ed si konkr\u00e9tn\u00edho \u010dasu na kontrolu e-mail\u016f nebo pou\u017e\u00edv\u00e1n\u00ed soci\u00e1ln\u00edch m\u00e9di\u00ed, m\u00edsto abyste byli neust\u00e1le online. Mo\u017en\u00e1 byste m\u011bli vym\u011bnit n\u011bkter\u00e9 volno\u010dasov\u00e9 aktivity u obrazovky za kon\u00ed\u010dky, kter\u00e9 obrazovky nezahrnuj\u00ed, jako je \u010dten\u00ed skute\u010dn\u00e9 knihy, proch\u00e1zka nebo tr\u00e1ven\u00ed \u010dasu tv\u00e1\u0159\u00ed v tv\u00e1\u0159 s p\u0159\u00e1teli a rodinou.<\/span><\/li>\n<li><strong><span>4. Optimalizujte sv\u016fj j\u00eddeln\u00ed\u010dek pro zdrav\u00ed o\u010d\u00ed \u2013<\/span><\/strong><span>\u00a0Antokyany, barevn\u00e9 pigmenty v bobul\u00edch, pom\u00e1haj\u00ed sni\u017eovat \u00fanavu o\u010d\u00ed a zlep\u0161uj\u00ed funkci sval\u016f. Lutein a zeaxanthin, karotenoidy nach\u00e1zej\u00edc\u00ed se v zelen\u00e9 listov\u00e9 zelenin\u011b a vaje\u010dn\u00fdch \u017eloutc\u00edch, funguj\u00ed jako vnit\u0159n\u00ed filtry modr\u00e9ho sv\u011btla a antioxidanty.<\/span><\/li>\n<li><span>Va\u0161e o\u010di jsou tak\u00e9 velmi citliv\u00e9 na polynenasycen\u00e9 tuky (PUFA), jako je\u00a0<\/span><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2023\/07\/17\/linoleic-acid.aspx\" target=\"_blank\" rel=\"noreferrer noopener\"><span>kyselina linolov\u00e1<\/span><\/a><span>\u00a0(LA), a mohou je po\u0161kozovat. Proto se vyh\u00fdbejte konzumaci semenn\u00fdch olej\u016f (zn\u00e1m\u00fdch tak\u00e9 jako rostlinn\u00e9 oleje) a vyh\u00fdbejte se zpracovan\u00fdm potravin\u00e1m, j\u00eddl\u016fm z rychl\u00e9ho ob\u010derstven\u00ed a v\u011bt\u0161in\u011b restaura\u010dn\u00edch pokrm\u016f, kter\u00e9 je obvykle obsahuj\u00ed.<\/span><\/li>\n<li><strong><span>5. Tr\u00e1vte v\u00edce \u010dasu venku \u2013<\/span><\/strong><span>\u00a0\u010dast\u011bj\u0161\u00ed pobyt venku je dobr\u00fd pro va\u0161e o\u010di. Kdy\u017e jste venku, p\u0159irozen\u011b se d\u00edv\u00e1te na v\u011bci v d\u00e1lce, co\u017e va\u0161im o\u010dn\u00edm sval\u016fm d\u00e1v\u00e1 odpo\u010dinek od neust\u00e1l\u00e9ho vid\u011bn\u00ed zbl\u00edzka, kter\u00e9 vy\u017eaduje obrazovka.<\/span><\/li>\n<li><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2024\/09\/27\/sunlight-reduce-risk-nearsightedness.aspx\"><span>Slune\u010dn\u00ed sv\u011btlo<\/span><\/a><span>\u00a0se tak\u00e9 li\u0161\u00ed od um\u011bl\u00e9ho vnit\u0159n\u00edho osv\u011btlen\u00ed a sv\u011btla obrazovky, co\u017e m\u00e1 pozitivn\u00ed vliv na zdrav\u00ed o\u010d\u00ed. Tr\u00e1ven\u00ed \u010dasu venku je tak\u00e9 dobr\u00e9 pro va\u0161i celkovou pohodu, proto\u017ee sni\u017euje stres a zlep\u0161uje n\u00e1ladu, co\u017e nep\u0159\u00edmo pom\u00e1h\u00e1 s fyzick\u00fdmi p\u0159\u00edznaky, jako je nam\u00e1h\u00e1n\u00ed o\u010d\u00ed. Sna\u017ete se pravideln\u011b za\u0159azovat \u010das venku do sv\u00e9ho denn\u00edho re\u017eimu, i kdyby to m\u011bla b\u00fdt jen proch\u00e1zka b\u011bhem poledn\u00ed pauzy.<\/span><\/li>\n<\/ul>\n<p><em>Anal\u00fdza Dr. Josepha Mercoly<\/em><\/p>\n<h3><span>Zdroje:<\/span><\/h3>\n<ul class=\"wp-block-list\">\n<li><sup><span>1,\u00a0<\/span><\/sup>\u00a0<sup><span>2\u00a0<\/span><\/sup>\u00a0<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9961559\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span>L\u00e9ka\u0159stv\u00ed (Kaunas). 20. \u00fanora 2023;59(2):412<\/span><\/a><\/li>\n<li><sup><span>3\u00a0<\/span><\/sup>\u00a0<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9570730\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span>\u017eiviny. 27. z\u00e1\u0159\u00ed 2022;14(19):4005<\/span><\/a><\/li>\n<li><sup><span>4,\u00a0<\/span><\/sup>\u00a0<sup><span>6,\u00a0<\/span><\/sup>\u00a0<sup><span>7,\u00a0<\/span><\/sup>\u00a0<sup><span>8\u00a0<\/span><\/sup>\u00a0<a href=\"https:\/\/time.com\/7213841\/digital-eye-strain-blurry-vision\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span>\u010cAS 7. \u00fanora 2025<\/span><\/a><\/li>\n<li><sup><span>5\u00a0<\/span><\/sup>\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/36473088\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span>Optom Vis Sci. 1. ledna 2023; 100(1): 52\u201356<\/span><\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-8c57238 quelle dc-has-condition dc-condition-empty elementor-widget elementor-widget-heading\" data-id=\"8c57238\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n<div class=\"elementor-widget-container\">\n<h3 class=\"elementor-heading-title elementor-size-default\"><span style=\"font-size: 10pt;\"><a href=\"https:\/\/articles.mercola.com\/sites\/articles\/archive\/2025\/03\/27\/digital-eye-strain.aspx\" target=\"_blank\" rel=\"nofollow noopener\">Zdroj<\/a><\/span><\/h3>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>P\u0159\u00edb\u011bh v kostce 55 % a\u017e 81 % u\u017eivatel\u016f obrazovek trp\u00ed digit\u00e1ln\u00ed \u00fanavou o\u010d\u00ed, kter\u00e1&#8230;<\/p>\n","protected":false},"author":2,"featured_media":79032,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[9146,2120,5610,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/79031"}],"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=79031"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/79031\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/79032"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=79031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=79031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=79031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}