{"id":2161,"date":"2026-05-27T12:39:10","date_gmt":"2026-05-27T12:39:10","guid":{"rendered":"https:\/\/dev.megopro.cz\/?page_id=2161"},"modified":"2026-06-02T07:29:11","modified_gmt":"2026-06-02T07:29:11","slug":"fotochromaticke-bryle","status":"publish","type":"page","link":"https:\/\/dev.megopro.cz\/?page_id=2161","title":{"rendered":"Fotochromatick\u00e9 br\u00fdle"},"content":{"rendered":"

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Fotochromatick\u00e9 \u2013 samozabarvuj\u00edc\u00ed se br\u00fdle<\/h1>\n<\/h1>\n
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Fotochromatick\u00e9 br\u00fdle, jsou br\u00fdle jejich\u017e \u010do\u010dky reaguj\u00ed na sv\u011btlo tak, \u017ee se zabarvuj\u00ed, nebo naopak odbarvuj\u00ed. Nej\u010dast\u011bji tyto \u010do\u010dky reaguj\u00ed na neviditeln\u00e9 UV z\u00e1\u0159en\u00ed a funguj\u00ed tak pouze v otev\u0159en\u00e9m prostoru. D\u00edky technick\u00e9mu pokroku jsou dnes ji\u017e na trhu tak\u00e9 fotochromatick\u00e9 br\u00fdlov\u00e9 \u010do\u010dky, kter\u00e9 reaguj\u00ed na viditeln\u00e9 spektrum sv\u011btla a dok\u00e1\u017e\u00ed se tak zabarvit i za sklem, nej\u010dast\u011bji uvnit\u0159 vozu. Asi nejzn\u00e1m\u011bj\u0161\u00ed jsou fotochromatick\u00e9 \u010do\u010dky Transitions\u00ae stejnojmenn\u00e9 americk\u00e9 firmy Transitions optical. Na trhu jsou v\u0161ak tak\u00e9 fotochromatick\u00e9 \u010do\u010dky nov\u00e9 generace \u2013 Sensity\u00ae, vyvinut\u00e9 a prod\u00e1van\u00e9 japonskou firmou HOYA.<\/span><\/p>\n<\/div>\n

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Jak fotochromatick\u00e9 br\u00fdle (br\u00fdlov\u00e9 \u010do\u010dky) vlastn\u011b funguj\u00ed?<\/h2>\n<\/h1>\n
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Na povrchu ka\u017ed\u00e9 samozabarvuj\u00edc\u00ed se br\u00fdlov\u00e9 \u010do\u010dky je tenk\u00e1 vrstva obsahuj\u00edc\u00ed mal\u00e9 krystaly halogenid\u016f st\u0159\u00edbra, kter\u00e9 tmavnou, pokud jsou vystaveny sv\u011btlu. Jde o stejn\u00fd princip, na jak\u00e9m pracovaly p\u016fvodn\u00ed fotografick\u00e9 materi\u00e1ly. Na rozd\u00edl od film\u016f je ztmavnut\u00ed br\u00fdlov\u00fdch \u010do\u010dek vratn\u00fd proces. Jakmile dojde ke sn\u00ed\u017een\u00ed intenzity sv\u011btla, br\u00fdlov\u00e9 \u010do\u010dky se op\u011bt st\u00e1vaj\u00ed bezbarv\u00fdmi. Modern\u00ed fotochromatick\u00e9 br\u00fdlov\u00e9 \u010do\u010dky obsahuj\u00ed m\u00edsto st\u0159\u00edbrn\u00fdch slou\u010denin, slou\u010deniny na b\u00e1zi molekul uhl\u00edku. Takov\u00e9 slou\u010deniny jsou pak rychlej\u0161\u00ed jak v zabarven\u00ed, tak v odbarven\u00ed. Proces zabarven\u00ed prob\u00edh\u00e1 v \u0159\u00e1dech n\u011bkolika sekund, proto aby Va\u0161e o\u010di byly chr\u00e1n\u011bny co mo\u017en\u00e1 nejrychleji pro vystaven\u00ed slune\u010dn\u00edm paprsk\u016fm a \u0161kodliv\u00e9mu UV z\u00e1\u0159en\u00ed a dosahuje intenzity a\u017e 85 % Odbarven\u00ed trv\u00e1 d\u00e9le a je zpravidla rozd\u011bleno do dvou \u00fasek\u016f. V prvn\u00edm se \u010do\u010dka odbarv\u00ed velmi rychle na intenzitu, kter\u00e1 V\u00e1m umo\u017en\u00ed orientaci ve vnit\u0159n\u00edm prostoru bez slune\u010dn\u00edho svitu. Druh\u00e1 f\u00e1ze, do \u00fapln\u00e9ho odbarven\u00ed, pak trv\u00e1 mnohem d\u00e9le, v \u0159\u00e1dech n\u011bkolika minut a br\u00fdlov\u00e1 \u010do\u010dka se p\u0159i n\u00ed odbarv\u00ed a\u017e na kone\u010dn\u00fdch cca 7 %.<\/span><\/p>\n<\/div>\n

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V\u00fdhody fotochromatick\u00fdch br\u00fdl\u00ed<\/h2>\n<\/h1>\n
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    jsou pohodln\u00e9. M\u016f\u017eete pou\u017e\u00edvat ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f, a\u0165 u\u017e uvnit\u0159 nebo venku. Nen\u00ed tak t\u0159eba sund\u00e1vat br\u00fdle p\u0159i p\u0159\u00edchodu z venku, br\u00fdle se V\u00e1m samy odbarv\u00ed.<\/div>\n<\/div>\n
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    nab\u00edzej\u00ed trvalou ochranu proti UV z\u00e1\u0159en\u00ed. U\u017e nebudete zapom\u00ednat na slune\u010dn\u00ed br\u00fdle. Nemus\u00edte myslet na to kdy je vhodn\u00e9 nasadit slune\u010dn\u00ed br\u00fdle a kdy je naopak zase sundat, t\u00e9to starosti V\u00e1s fotochromatick\u00e9 \u010do\u010dky zbav\u00ed.<\/div>\n<\/div>\n
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    jsou k dispozici v mnoha barv\u00e1ch a variant\u00e1ch a daj\u00ed se vyrobit prakticky pro jak\u00fdkoliv dioptrick\u00fd p\u0159edpis.<\/div>\n<\/div>\n
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    jsou k dispozici pro v\u011bt\u0161inu typ\u016f br\u00fdlov\u00fdch \u010do\u010dek, a\u0165 u\u017e jednoohniskov\u00fdch, bifok\u00e1ln\u00edch nebo multifok\u00e1ln\u00edch.<\/div>\n<\/div>\n
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    mohou V\u00e1m u\u0161et\u0159it pen\u00edze, zvl\u00e1\u0161t\u011b pak u br\u00fdl\u00ed na p\u0159edpis, kdy m\u00e1te \u010dir\u00e9 a slune\u010dn\u00ed v jedn\u00e9 obrub\u011b za jedny pen\u00edze. Finan\u010dn\u00ed prost\u0159edky takto u\u0161et\u0159en\u00e9 mohou b\u00fdt, zvl\u00e1\u0161t\u011b u dra\u017e\u0161\u00edch br\u00fdlov\u00fdch \u010do\u010dek, nezanedbateln\u00e9.<\/div>\n<\/div>\n
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    Modern\u00ed fotochromatick\u00e9 \u010do\u010dky se zabarvuj\u00ed tak\u00e9 za sklem auta, tedy bez UV z\u00e1\u0159en\u00ed.<\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/div>\n

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    Nev\u00fdhody fotochromatick\u00fdch br\u00fdl\u00ed<\/h2>\n<\/h1>\n
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      v z\u00e1vislosti na zna\u010dce mohou b\u00fdt rozd\u00edly v rychlosti zabarvov\u00e1n\u00ed a odbarvov\u00e1n\u00ed. U p\u0159edn\u00edch sv\u011btov\u00fdch v\u00fdrobc\u016f, jsou tyto rozd\u00edly minim\u00e1ln\u00ed.<\/div>\n<\/div>\n
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      za chladn\u00e9ho po\u010das\u00ed se zabarvuj\u00ed v\u00edce a za hork\u00e9ho pak naopak m\u00e9n\u011b. Tato nedokonalost je \u010d\u00e1ste\u010dn\u011b vy\u0159e\u0161ena u fotochromatick\u00fdch br\u00fdlov\u00fdch \u010do\u010dek Sensity Dark\u00ae a Transitions X-tractive\u00ae. Tyto dva druhy nepot\u0159ebuj\u00ed k zabarven\u00ed UV z\u00e1\u0159en\u00ed a jsou tedy dost tmav\u00e9 i p\u0159i vysok\u00fdch teplot\u00e1ch.<\/div>\n<\/div>\n
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      ztmavuj\u00ed se v z\u00e1vislosti na intenzit\u011b UV z\u00e1\u0159en\u00ed. Mohou tak nastat situace, kdy i bez slune\u010dn\u00edho svitu budou Va\u0161e \u010do\u010dky zabarven\u00e9, co\u017e je sice v po\u0159\u00e1dku z pohledu ochrany p\u0159ed UV paprsky, nicm\u00e9n\u011b z estetick\u00e9ho hlediska to m\u016f\u017ee b\u00fdt na obt\u00ed\u017e.<\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/div>\n


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

      Fotochromatick\u00e9 \u2013 samozabarvuj\u00edc\u00ed se br\u00fdle Fotochromatick\u00e9 br\u00fdle, jsou br\u00fdle jejich\u017e \u010do\u010dky reaguj\u00ed na sv\u011btlo tak, \u017ee se zabarvuj\u00ed, nebo naopak odbarvuj\u00ed. Nej\u010dast\u011bji tyto \u010do\u010dky reaguj\u00ed na neviditeln\u00e9 UV z\u00e1\u0159en\u00ed a funguj\u00ed tak pouze v otev\u0159en\u00e9m prostoru. D\u00edky technick\u00e9mu pokroku jsou dnes ji\u017e na trhu tak\u00e9 fotochromatick\u00e9 br\u00fdlov\u00e9 \u010do\u010dky, kter\u00e9 reaguj\u00ed na viditeln\u00e9 spektrum sv\u011btla a […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2161","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/dev.megopro.cz\/index.php?rest_route=\/wp\/v2\/pages\/2161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dev.megopro.cz\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dev.megopro.cz\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dev.megopro.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/dev.megopro.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2161"}],"version-history":[{"count":17,"href":"https:\/\/dev.megopro.cz\/index.php?rest_route=\/wp\/v2\/pages\/2161\/revisions"}],"predecessor-version":[{"id":2456,"href":"https:\/\/dev.megopro.cz\/index.php?rest_route=\/wp\/v2\/pages\/2161\/revisions\/2456"}],"wp:attachment":[{"href":"https:\/\/dev.megopro.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}