\u201eSlzy jsou pro zdrav\u00ed oka nepostradateln\u00e9. N\u011bkte\u0159\u00ed lid\u00e9 ale plakat nedovedou,\u201c uvedl prim\u00e1\u0159 zl\u00ednsk\u00e9 o\u010dn\u00ed kliniky Gemini Pavel Stod\u016flka. Kv\u016fli nedostatku slz v extr\u00e9mn\u00edch p\u0159\u00edpadech hroz\u00ed a\u017e oslepnut\u00ed. <\/p>\n
\u201eSlzy jsou v ur\u010dit\u00e9m mno\u017estv\u00ed pro zdrav\u00ed oka nepostradateln\u00e9. Zvlh\u010duj\u00ed povrch oka, aby byl hladk\u00fd a leskl\u00fd. To je d\u016fle\u017eit\u00e9 pro kvalitu vid\u011bn\u00ed a pro to, aby v\u00ed\u010dko mohlo po oku jemn\u011b klouzat. N\u011bkte\u0159\u00ed lid\u00e9 ale plakat nedovedou,\u201c\u00a0 uvedl prim\u00e1\u0159 zl\u00ednsk\u00e9 o\u010dn\u00ed kliniky Gemini Pavel Stod\u016flka.<\/p>\n
Nedostatek slz m\u016f\u017ee v\u00e9st k oslepnut\u00ed<\/strong><\/p>\n Nedostatek slz se vyskytuje nap\u0159\u00edklad u lid\u00ed trp\u00edc\u00edch autoimunitn\u00ed nemoc\u00ed zvanou Sj\u00f6gren\u016fv syndrom, kter\u00fd se \u010dast\u011bji se vyskytuje u \u017een. Plakat paradoxn\u011b nemohou n\u011bkte\u0159\u00ed pacienti s t\u011b\u017ekou depres\u00ed, co\u017e je zp\u016fsobeno jejich psychick\u00fdm stavem. D\u00e1le se slzy netvo\u0159\u00ed p\u0159i nedostatku vitaminu A nebo vz\u00e1cn\u011bji p\u0159i nemoc\u00edch mozku \u010di vz\u00e1cn\u00e9m vrozen\u00e9m onemocn\u011bn\u00ed vegetativn\u00edho syst\u00e9mu s n\u00e1zvem famili\u00e1rn\u00ed dysautonomie \u010di Rileyho-Day\u016fv syndrom.<\/p>\n \u201ePokud m\u00e1 \u010dlov\u011bk m\u00e1lo slz nebo jsou nekvalitn\u00ed, vede to ke zrakov\u00fdm obt\u00ed\u017e\u00edm, k podr\u00e1\u017ed\u011bn\u00ed oka a zvy\u0161uje se riziko infekce oka, co\u017e v extr\u00e9mn\u00edch p\u0159\u00edpadech m\u016f\u017ee v\u00e9st a\u017e ke slepot\u011b. Paradoxn\u011b v po\u010d\u00e1te\u010dn\u00edch stadi\u00edch n\u011bkter\u00fdch onemocn\u011bn\u00ed, kdy je slz m\u00e9n\u011b nebo nejsou dostate\u010dn\u011b kvalitn\u00ed, m\u016f\u017ee oko po n\u011bjakou dobu d\u00edky podr\u00e1\u017ed\u011bn\u00ed slzet v\u00edce,\u201c popsal prim\u00e1\u0159 Stod\u016flka.<\/p>\n Slzy se tvo\u0159\u00ed v slzn\u00e9 \u017el\u00e1ze, kter\u00e1 je ulo\u017eena pod horn\u00edm v\u00ed\u010dkem. Slzy odt\u00e9kaj\u00ed z oka slzn\u00fdmi kan\u00e1lky v o\u010dn\u00edch v\u00ed\u010dk\u00e1ch do nosu. D\u00e1le v oku existuj\u00ed mal\u00e9 p\u0159\u00eddatn\u00e9 \u017el\u00e1zky, kter\u00e9 produkuj\u00ed slzy neust\u00e1le a zaji\u0161\u0165uj\u00ed pot\u0159ebnou vlhkost povrchu oka, odplavuj\u00ed ne\u010distoty a chr\u00e1n\u00ed oko p\u0159ed infekc\u00ed.<\/p>\n \u201eB\u011bhem pl\u00e1\u010de doch\u00e1z\u00ed k vyplavov\u00e1n\u00ed slz do oka v nadm\u011brn\u00e9m mno\u017estv\u00ed, kter\u00e9 nesta\u010d\u00ed odt\u00e9kat slzn\u00fdmi odvodn\u00fdmi cestami do nosu, a slzy p\u0159et\u00e9kaj\u00ed p\u0159es okraj v\u00ed\u010dka na tv\u00e1\u0159. Proto\u017ee slzy \u010d\u00e1ste\u010dn\u011b odt\u00e9kaj\u00ed do nosu, p\u0159i pl\u00e1\u010di nebo po n\u011bm lid\u00e9 \u010dasto smrkaj\u00ed,\u201c dodal Pavel Stod\u016flka.<\/p>\n \u017deny pl\u00e1\u010dou a\u017e \u010dty\u0159ikr\u00e1t \u010dast\u011bji ne\u017e mu\u017ei <\/strong><\/p>\n O\u010dn\u00ed l\u00e9ka\u0159i z mnichovsk\u00e9 Ludv\u00edkovy-Maxmili\u00e1novy univerzity b\u011bhem v\u00fdzkumu zjistili, \u017ee \u017eeny pl\u00e1\u010dou a\u017e 64kr\u00e1t do roka, mu\u017ei maxim\u00e1ln\u011b 17kr\u00e1t. Tak\u00e9 d\u00e9lka pl\u00e1\u010de se li\u0161\u00ed, \u017eeny ron\u00ed slzy pr\u016fm\u011brn\u011b \u0161est minut, co\u017e je zhruba o dv\u011b minuty d\u00e9le ne\u017e u mu\u017e\u016f. Pl\u00e1\u010d je a\u017e v 95 procentech spojen s emocemi.<\/p>\n U d\u011btsk\u00e9ho pl\u00e1\u010de rozd\u00edly podle pohlav\u00ed nejsou. Ty se za\u010dnou objevovat a\u017e kolem 13 let. \u017deny jsou v\u00edce citov\u011b zalo\u017een\u00e9 a \u010dast\u011bji projevuj\u00ed sv\u00e9 emoce pl\u00e1\u010dem ne\u017e mu\u017ei. Krom\u011b v\u011bku a pohlav\u00ed ovliv\u0148uj\u00ed sklon k pl\u00e1\u010di i kultura a v\u00fdchova. Nap\u0159\u00edklad obl\u00edben\u00e9 r\u010den\u00ed otc\u016f \u201echlapi p\u0159ece nepl\u00e1\u010dou\u201c m\u016f\u017ee b\u00fdt pro zrak nebezpe\u010dn\u00e9. Slzy jsou pro spr\u00e1vnou funkci oka nezbytn\u00e9.<\/p>\n invArena<\/p>\n MUDr. Jan \u010cin\u010dura<\/p>\n","protected":false},"excerpt":{"rendered":" \u201eSlzy jsou pro zdrav\u00ed oka nepostradateln\u00e9. N\u011bkte\u0159\u00ed lid\u00e9 ale plakat nedovedou,\u201c uvedl prim\u00e1\u0159 zl\u00ednsk\u00e9 o\u010dn\u00ed kliniky Gemini Pavel Stod\u016flka. Kv\u016fli nedostatku slz v extr\u00e9mn\u00edch p\u0159\u00edpadech […]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,9],"tags":[],"class_list":["post-1526","post","type-post","status-publish","format-standard","hentry","category-zdravi","category-zpravy"],"_links":{"self":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/1526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1526"}],"version-history":[{"count":0,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/1526\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}