[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.certnakoze.cz\/spravne-osvetleni-setri-vas-zrak\/#Article","mainEntityOfPage":"https:\/\/www.certnakoze.cz\/spravne-osvetleni-setri-vas-zrak\/","headline":"Spr\u00e1vn\u00e9 osv\u011btlen\u00ed \u0161et\u0159\u00ed v\u00e1\u0161 zrak","name":"Spr\u00e1vn\u00e9 osv\u011btlen\u00ed \u0161et\u0159\u00ed v\u00e1\u0161 zrak","description":"Vid\u00edme bu\u010f sv\u00edtic\u00ed zdroj, nebo osv\u011btlen\u00e9 p\u0159edm\u011bty, od nich\u017e se sv\u011btlo odr\u00e1\u017e\u00ed nebo jimi\u017e proch\u00e1z\u00ed do na\u0161eho oka. Oko je org\u00e1n velmi citliv\u00fd, reaguje na […]","datePublished":"2017-08-31","dateModified":"2023-04-28","author":{"@type":"Person","@id":"https:\/\/www.certnakoze.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.certnakoze.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/40308b9402d145b1dc164f447b6506e9dadca8c8362c3ffb52df95e789c0fd10?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/40308b9402d145b1dc164f447b6506e9dadca8c8362c3ffb52df95e789c0fd10?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"certnakoze.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.certnakoze.cz\/wp-content\/uploads\/img_a299526_w1782_t1509466616.jpg","url":"https:\/\/www.certnakoze.cz\/wp-content\/uploads\/img_a299526_w1782_t1509466616.jpg","height":0,"width":0},"url":"https:\/\/www.certnakoze.cz\/spravne-osvetleni-setri-vas-zrak\/","about":["Vzd\u011bl\u00e1n\u00ed"],"wordCount":438,"articleBody":"\tVid\u00edme bu\u010f sv\u00edtic\u00ed zdroj, nebo osv\u011btlen\u00e9 p\u0159edm\u011bty, od nich\u017e se sv\u011btlo odr\u00e1\u017e\u00ed nebo jimi\u017e proch\u00e1z\u00ed do na\u0161eho oka.Oko je org\u00e1n velmi citliv\u00fd, reaguje na velmi mal\u00e9 intenzity sv\u011btla a snese i velmi vysok\u00e9 osv\u011btlen\u00ed, ale m\u016f\u017ee b\u00fdt osln\u011bno, ba i t\u011b\u017ece po\u0161kozeno siln\u00fdm zdrojem sv\u011btla nebo st\u0159\u00edd\u00e1n\u00edm sv\u011btla a tmy nebo odrazem sv\u011btla od leskl\u00fdch p\u0159edm\u011bt\u016f. M\u016f\u017ee b\u00fdt unaveno prac\u00ed p\u0159i \u0161patn\u00e9m osv\u011btlen\u00ed a p\u0159i takov\u00e9 trval\u00e9 situaci se st\u00e1le v\u00edce po\u0161kozuje. Proto mus\u00edme d\u00e1t ji\u017e d\u011btem po\u0159\u00e1dn\u00e9 osv\u011btlen\u00ed, aby se jejich zrak neunavoval a nepo\u0161kodil se natrvalo. Se stoupaj\u00edc\u00edm v\u011bkem zrak sl\u00e1bne, star\u0161\u00ed \u010dlov\u011bk pot\u0159ebuje p\u0159i pr\u00e1ci v\u00edce sv\u011btla ne\u017e mlad\u00fd.P\u00e1r slov o \u017e\u00e1rovk\u00e1ch\t\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u017d\u00c1ROVKA \u2013 v\u00a0d\u0159\u00edv\u011bj\u0161\u00edch \u017e\u00e1rovk\u00e1ch sv\u00edtilo \u017ehav\u00e9 uhl\u00edkov\u00e9 vl\u00e1kno, ba\u0148ka byla \u010dir\u00e1, aby to m\u00e1lo sv\u011btla nebylo ni\u010d\u00edm brzd\u011bno. Jas vl\u00e1kna byl mal\u00fd a pohled do zdroje nijak zvl\u00e1\u0161\u0165 neosl\u0148oval. Kdy\u017e v\u0161ak se za\u010dalo pou\u017e\u00edvat vl\u00e1kna kovov\u00e9ho, jeho\u017e teplota byla mnohem vy\u0161\u0161\u00ed, jeho jas stoupal a zdroj osl\u0148oval, Proto se ba\u0148ka matovala bu\u010f vn\u011b, nebo pozd\u011bji p\u0159i zdokonalen\u00ed v\u00fdroby uvnit\u0159. Sv\u011btlo takov\u00e9 \u017e\u00e1rovky se v\u00edce rozpt\u00fdl\u00ed, jas se sn\u00ed\u017e\u00ed, a je \u2013 li takov\u00e1 \u017e\u00e1rovka ve sklen\u011bn\u00e9 rozpt\u00fdlen\u00e9 b\u00e1ni (nap\u0159. b\u00edl\u00e9 kouli), neobjev\u00ed se na n\u00ed odraz vl\u00e1kna a b\u00e1\u0148 je rovnom\u011brn\u011bji prosv\u00edcen\u00e1.\t\u017d\u00c1ROVKY B\u00cdL\u00c9 \u2013 maj\u00ed ba\u0148ky ze skla op\u00e1lov\u00e9ho. Toto sklo rozptyluje sv\u011btlo vl\u00e1kna tak dokonale, \u017ee \u017ehav\u00edc\u00ed vl\u00e1kno v\u016fbec nevid\u00edme. Tyto \u017e\u00e1rovky maj\u00ed ov\u0161em v\u011bt\u0161\u00ed ztr\u00e1ty sv\u011btla (pr\u016fm\u011brn\u011b asi 12% podle p\u0159\u00edkonu). Nepat\u0159\u00ed do b\u00e1n\u011b. M\u016f\u017eeme je nej\u010dast\u011bji pou\u017e\u00edt do plechov\u00e9ho \u010di pap\u00edrov\u00e9ho st\u00edn\u00edtka, proto\u017ee vych\u00e1zej\u00edc\u00ed sv\u011btlo je kr\u00e1sn\u011b b\u00edl\u00e9 a m\u011bkk\u00e9 st\u00edny jsou prosv\u011btlen\u00e9.\t\u017d\u00c1ROVKY KRYPTONOV\u00c9 \u2013 maj\u00ed op\u00e1lovou ba\u0148ku, \u00dapravou vl\u00e1kna a druhem n\u00e1pln\u011b maj\u00ed mnohem v\u011bt\u0161\u00ed sv\u011bteln\u00fd v\u00fdkon ne\u017e \u017e\u00e1rovky oby\u010dejn\u00e9. Jsou ale dost citliv\u00e9 na nap\u011bt\u00ed v\u00a0s\u00edti. Jejich jas je dost velk\u00fd a osl\u0148uj\u00edc\u00ed. Nepou\u017e\u00edv\u00e1me jich tedy bez st\u00edn\u00edtka, jsou \u2013 li v\u00a0zorn\u00e9m poli oka.                                                                                                                                                                                                                                                                                                                                                                                        3.8\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Spr\u00e1vn\u00e9 osv\u011btlen\u00ed \u0161et\u0159\u00ed v\u00e1\u0161 zrak","item":"https:\/\/www.certnakoze.cz\/spravne-osvetleni-setri-vas-zrak\/#breadcrumbitem"}]}]