{"id":37,"date":"2020-09-14T12:18:20","date_gmt":"2020-09-14T10:18:20","guid":{"rendered":"https:\/\/cottet.com\/blog\/2025\/03\/27\/el-ojo-seco-una-dolencia-cada-vez-mas-frecuente\/"},"modified":"2025-03-27T12:24:57","modified_gmt":"2025-03-27T11:24:57","slug":"l-ull-sec-una-malaltia-cada-vegada-mes-frequeent","status":"publish","type":"post","link":"https:\/\/www.cottet.com\/blog\/ca\/l-ull-sec-una-malaltia-cada-vegada-mes-frequeent\/","title":{"rendered":"L&#8217;Ull sec, una malaltia cada vegada m\u00e9s freq\u00fcent"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; custom_padding=&#8221;51px|||||&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h1>S\u00edndrome de l&#8217;Ull sec: com protegir la vista de les pantalles i com afecta l&#8217;arribada de la primavera<br \/>\n<\/h1>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/cottet.com\/blog\/wp-content\/uploads\/2025\/03\/ojo-seco.jpg&#8221; title_text=&#8221;ojo seco&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h2 class=\"elementor-heading-title elementor-size-default none\"><span>Les llargues hores que passem mirant a l&#8217;ordinador o el m\u00f2bil sense a penes parpellejar, la contaminaci\u00f3 o l&#8217;arribada de la primavera, poden fer que aparegui sequedat ocular arribant a convertir-se en una malaltia cr\u00f2nica si no es tracta correctament.<\/span><\/h2>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p>El S\u00edndrome de l&#8217;Ull Sec (SOS) \u00e9s un trastorn ocular d&#8217;origen multifactorial que es produeix per un d\u00e8ficit d&#8217;hidrataci\u00f3, per falta de ll\u00e0grimes (escassa producci\u00f3 o excessiva evaporaci\u00f3) o per produir ll\u00e0grimes de mala qualitat. Aquesta malaltia ha crescut en l&#8217;\u00faltima d\u00e8cada fins a aconseguir a m\u00e9s de 5 milions d&#8217;espanyols.<\/p>\n<p>&nbsp;<\/p>\n<p>Cada vegada que parpellegem, els nostres ulls es cobreixen de pel\u00b7l\u00edcula lacrimal, una capa protectora necess\u00e0ria per a mantenir una funci\u00f3 ocular saludable, que es compon d&#8217;aigua, a m\u00e9s d&#8217;oli, mucosa i altres components que funcionen com a antibi\u00f2tics naturals. En parpellejar, aquest conjunt de treball serveix per a hidratar la superf\u00edcie ocular i protegir-la dels agents irritants que causen infeccions, com la pols i altres cossos estranys. Al seu torn un moviment horitzontal en la parpella fa que les deixalles de l&#8217;ull es desplacin cap al llagrimer.<\/p>\n<p>&nbsp;<\/p>\n<p>Quan qualsevol part de la pel\u00b7l\u00edcula lacrimal es veu alterada per alguna obstrucci\u00f3 en els conductes, la superf\u00edcie de l&#8217;ull pot provocar s\u00edmptomes com a fatiga ocular, seq\u00fcela, sensaci\u00f3 de co\u00efssor i cremor, inflamaci\u00f3 i mal de la superf\u00edcie ocular.<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p><span style=\"font-family: Calibri, sans-serif;\"><span style=\"font-size: 16px;\">\u201cQuan apareixen els s\u00edmptomes m\u00e9s comuns com a sequedat ocular, picor, enrogiment, visi\u00f3 borrosa o sensaci\u00f3 de sorra en els ulls, ho solem associar a una cosa passatgera i sense massa import\u00e0ncia. No som conscients que podem tenir alguna afecci\u00f3 que ens impedeix tenir els ulls hidratats i que comen\u00e7a amb una sensaci\u00f3 de malestar per\u00f2 pot ocasionar altres problemes majors. Per aix\u00f2 \u00e9s recomanable la realitzaci\u00f3 de revisions peri\u00f2diques de 3 a 6 mesos una vegada detectada la sequedat ocular i valorar l&#8217;\u00fas d&#8217;ulleres amb filtre blau&#8221;<\/span><\/span><\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/cottet.com\/blog\/wp-content\/uploads\/2025\/03\/Captura-de-pantalla-2022-03-23-a-las-11-44-56.png&#8221; title_text=&#8221;Captura de pantalla 2022-03-23 a las 11-44-56&#8243; align=&#8221;center&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>Fabio Delgado<br \/>Director \u00d3ptic a Cottet<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p style=\"text-align: left;\"><span>Un estudi de la Societat Espanyola de Superf\u00edcie Ocular i C\u00f2rnia (SESOC), en el qual van participar oftalm\u00f2legs europeus, reflectint que els participants espanyols van referir que en les seves consultes el 42% de pacients amb ull sec eren majors de 65 anys, i un 39% tenen entre 45 i 65 anys.<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_image src=&#8221;https:\/\/cottet.com\/blog\/wp-content\/uploads\/2025\/03\/LENTILAS.jpg&#8221; title_text=&#8221;LENTILAS&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<div class=\"elementor-widget elementor-element elementor-element-s4iesn0 elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<div class=\"elementor-widget elementor-element elementor-element-s4iesn0 elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<h3 class=\"elementor-heading-title elementor-size-default none\"><span>L&#8217;increment de casos per l&#8217;\u00fas de pantalles<\/span><\/h3>\n<\/div>\n<\/div>\n<div class=\"elementor-widget elementor-element elementor-element-t67j1ll elementor-widget-text-editor\" data-element_type=\"text-editor\">\n<div class=\"elementor-widget-container\">\n<div class=\"elementor-text-editor rte-content\">\n<p>La s\u00edndrome de l&#8217;ull sec es pot produir per diverses causes com l&#8217;edat, canvis hormonals m\u00e9s comuns en dones, perqu\u00e8 alteren les gl\u00e0ndules lacrimals, la contaminaci\u00f3, o per l&#8217;\u00fas intensiu de les pantalles. L&#8217;activitat tecnol\u00f2gica di\u00e0ria est\u00e0 molt lligada al dia a dia de la poblaci\u00f3 i sobretot amb una incid\u00e8ncia creixent en els \u00faltims anys entre els joves, associada a l&#8217;estil de vida actual.<\/p>\n<p>La pand\u00e8mia ha tingut molt a veure en l&#8217;augment de problemes i s\u00edmptomes que han afectat la vista com el mal de l&#8217;ull sec, com apunta la Dra. Elena Barraquer, presidenta Fundaci\u00f3 Elena Barraquer<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: Calibri, sans-serif;\"><span style=\"font-size: 14.6667px;\"><i>&#8220;En alguns casos de Covid, sobretot en la primera ona, els pacients presentaven s\u00edmptomes lleus de conjuntivitis. La major exposici\u00f3 a pantalles (m\u00f2bil, tauleta, TV) durant el confinament i el teletreball han incrementat els casos d&#8217;ull sec\u201d. Quant a la patologia visual que m\u00e9s ha augmentat, segons la seva pr\u00e0ctica di\u00e0ria, ha estat \u201cel nombre de pacients a operar de catarata, probablement per la saturaci\u00f3 als hospitals p\u00fablics donant prioritat a malalts de Covid, com \u00e9s fins a un cert punt l\u00f2gic<\/i><\/span><\/span><\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/cottet.com\/blog\/wp-content\/uploads\/2025\/03\/elena-barraquer.jpeg&#8221; title_text=&#8221;elena barraquer&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p>Dra. Elena Barraquer<br \/>Presidenta Funcaci\u00f3n Elena Barraquer<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>Quant a la patologia visual que m\u00e9s ha sorgit, segons la seva pr\u00e0ctica di\u00e0ria, ha estat \u201cel nombre de pacients a operar de catarata, probablement per la saturaci\u00f3 als hospitals p\u00fablics donant prioritat a malalts de Covid, com \u00e9s fins a un cert punt l\u00f2gic\u201d\u00a0<\/p>\n<p>&nbsp;<\/p>\n<p>Respecte als consells i cures de la gent jove tan exposats a pantalles de forma continuada, l&#8217;experta recomana:<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<div class=\"elementor-widget elementor-element elementor-element-m28nux5 elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<div class=\"elementor-widget elementor-element elementor-element-m28nux5 elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<h5 class=\"elementor-heading-title elementor-size-large none\"><span>&#8220;<\/span><\/h5>\n<\/div>\n<\/div>\n<div class=\"elementor-widget elementor-element elementor-element-alnfnxy elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<h5 class=\"elementor-heading-title elementor-size-default none\"><span>Utilitzar ll\u00e0grimes artificials per a mantenir els ulls sempre ben lubrificats i intentar descansar la vista durant uns 2 minuts de cada 20 minutos de pantalla, mirant al lluny sense fixar la mirada en res concret<\/span><\/h5>\n<\/div>\n<\/div>\n<div class=\"elementor-widget elementor-element elementor-element-q7jqhw7 elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<h5 class=\"elementor-heading-title elementor-size-default none\"><span>&#8220;<\/span><\/h5>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_4,1_4,1_4,1_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<div class=\"thumbnail-container reviews-loading\">\n<div class=\"thumbnail-container reviews-loading\">\n<p><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/solucion-unica-systane-gel-drops-10-ml-alcon.html\" class=\"thumbnail product-thumbnail\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cottet.com\/63223-home_default\/solucion-unica-systane-gel-drops-10-ml-alcon.jpg\" alt=\"Ll\u00e1grima Artifical SYSTANE\u00ae...\" data-full-size-image-url=\"https:\/\/www.cottet.com\/63223-thickbox_default\/solucion-unica-systane-gel-drops-10-ml-alcon.jpg\" width=\"305\" height=\"305\" class=\"img-fluid   product-thumbnail-first  \" \/><\/a><\/p>\n<div class=\"product-functional-buttons product-functional-buttons-bottom\">\n<div class=\"product-functional-buttons-links\">\n<div class=\"product-add-cart js-product-add-cart-258-0\">\n<form action=\"https:\/\/www.cottet.com\/ca\/carro-de-la-compra?add=1&amp;id_product=258&amp;id_product_attribute=0\" method=\"post\">\n<div class=\"input-group-add-cart\">\n<p><button class=\"btn btn-product-list add-to-cart\" data-button-action=\"add-to-cart\" type=\"submit\"><ion-icon name=\"bag-outline\" role=\"img\" class=\"md hydrated\" aria-label=\"bag outline\"><\/p>\n<div class=\"icon-inner\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"ionicon s-ion-icon\" viewbox=\"0 0 512 512\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M80 176a16 16 0 00-16 16v216c0 30.24 25.76 56 56 56h272c30.24 0 56-24.51 56-54.75V192a16 16 0 00-16-16zM160 176v-32a96 96 0 0196-96h0a96 96 0 0196 96v32\" class=\"ionicon-fill-none ionicon-stroke-width\"><\/path><\/svg><\/div>\n<p><\/ion-icon><span>\u00a0<\/span>Afegeix a la cistella<\/button><\/div>\n<\/form>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"product-availability d-block\"><\/div>\n<\/div>\n<div class=\"product-description\">\n<div class=\"row extra-small-gutters justify-content-end\">\n<div class=\"col-12\">\n<div class=\"row-flags\"><\/div>\n<\/div>\n<div class=\"col-12\">\n<div class=\"product-brand\"><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/solucion-unica-systane-gel-drops-10-ml-alcon.html\">Alcon<\/a><\/div>\n<div class=\"h3 product-title\"><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/solucion-unica-systane-gel-drops-10-ml-alcon.html\">Ll\u00e1grima Artifical SYSTANE\u00ae Gel Drops 10 ML Alcon<\/a><\/div>\n<\/div>\n<div class=\"col-12 product-miniature-left\">\n<div class=\"product-price-and-shipping\"><span class=\"product-price\" content=\"13.5\" aria-label=\"Preu\">13,50\u00a0\u20ac<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"product-description\">\n<div class=\"row extra-small-gutters justify-content-end\">\n<div class=\"col-12 product-miniature-left\">\n<div class=\"product-price-and-shipping\">\n<div class=\"msg_discount\"><\/div>\n<\/div>\n<div class=\"productlist-stars\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<div class=\"thumbnail-container reviews-loading\">\n<div class=\"thumbnail-container reviews-loading\">\n<p><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/lagrima-artificial-systane-complete-alcon-10ml.html\" class=\"thumbnail product-thumbnail\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cottet.com\/64028-home_default\/lagrima-artificial-systane-complete-alcon-10ml.jpg\" data-src=\"https:\/\/www.cottet.com\/64028-home_default\/lagrima-artificial-systane-complete-alcon-10ml.jpg\" width=\"305\" height=\"305\" alt=\"Ll\u00e0grima Artificial... 2\" class=\"img-fluid js-lazy-product-image lazy-product-image product-thumbnail-second entered loaded\" data-ll-status=\"loaded\" \/><\/a><\/p>\n<div class=\"product-functional-buttons product-functional-buttons-bottom\">\n<div class=\"product-functional-buttons-links\">\n<div class=\"product-add-cart js-product-add-cart-260-0\">\n<form action=\"https:\/\/www.cottet.com\/ca\/carro-de-la-compra?add=1&amp;id_product=260&amp;id_product_attribute=0\" method=\"post\">\n<div class=\"input-group-add-cart\">\n<p><button class=\"btn btn-product-list add-to-cart\" data-button-action=\"add-to-cart\" type=\"submit\"><ion-icon name=\"bag-outline\" role=\"img\" class=\"md hydrated\" aria-label=\"bag outline\"><\/p>\n<div class=\"icon-inner\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"ionicon s-ion-icon\" viewbox=\"0 0 512 512\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M80 176a16 16 0 00-16 16v216c0 30.24 25.76 56 56 56h272c30.24 0 56-24.51 56-54.75V192a16 16 0 00-16-16zM160 176v-32a96 96 0 0196-96h0a96 96 0 0196 96v32\" class=\"ionicon-fill-none ionicon-stroke-width\"><\/path><\/svg><\/div>\n<p><\/ion-icon><span>\u00a0<\/span>Afegeix a la cistella<\/button><\/div>\n<\/form>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"product-availability d-block\"><\/div>\n<\/div>\n<div class=\"product-description\">\n<div class=\"row extra-small-gutters justify-content-end\">\n<div class=\"col-12\">\n<div class=\"row-flags\"><\/div>\n<\/div>\n<div class=\"col-12\">\n<div class=\"product-brand\"><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/lagrima-artificial-systane-complete-alcon-10ml.html\">Alcon<\/a><\/div>\n<div class=\"h3 product-title\"><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/lagrima-artificial-systane-complete-alcon-10ml.html\">Ll\u00e0grima Artificial SYSTANE\u00ae COMPLETE Alcon 10ML<\/a><\/div>\n<\/div>\n<div class=\"col-12 product-miniature-left\">\n<div class=\"product-price-and-shipping\"><span class=\"product-price\" content=\"16\" aria-label=\"Preu\">16,00\u00a0\u20ac<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"product-description\">\n<div class=\"row extra-small-gutters justify-content-end\">\n<div class=\"col-12 product-miniature-left\">\n<div class=\"product-price-and-shipping\">\n<div class=\"msg_discount\"><\/div>\n<\/div>\n<div class=\"productlist-stars\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<div class=\"thumbnail-container reviews-loading\">\n<div class=\"thumbnail-container reviews-loading\">\n<p><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/lagrima-artifical-systane-hidratacion-md-alcon.html\" class=\"thumbnail product-thumbnail\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cottet.com\/63225-home_default\/lagrima-artifical-systane-hidratacion-md-alcon.jpg\" data-src=\"https:\/\/www.cottet.com\/63225-home_default\/lagrima-artifical-systane-hidratacion-md-alcon.jpg\" width=\"305\" height=\"305\" alt=\"Ll\u00e0grima Artifical SYSTANE\u00ae... 2\" class=\"img-fluid js-lazy-product-image lazy-product-image product-thumbnail-second entered loaded\" data-ll-status=\"loaded\" \/><\/a><\/p>\n<div class=\"product-functional-buttons product-functional-buttons-bottom\">\n<div class=\"product-functional-buttons-links\">\n<div class=\"product-add-cart js-product-add-cart-263-0\">\n<form action=\"https:\/\/www.cottet.com\/ca\/carro-de-la-compra?add=1&amp;id_product=263&amp;id_product_attribute=0\" method=\"post\">\n<div class=\"input-group-add-cart\">\n<p><button class=\"btn btn-product-list add-to-cart\" data-button-action=\"add-to-cart\" type=\"submit\"><ion-icon name=\"bag-outline\" role=\"img\" class=\"md hydrated\" aria-label=\"bag outline\"><\/p>\n<div class=\"icon-inner\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"ionicon s-ion-icon\" viewbox=\"0 0 512 512\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M80 176a16 16 0 00-16 16v216c0 30.24 25.76 56 56 56h272c30.24 0 56-24.51 56-54.75V192a16 16 0 00-16-16zM160 176v-32a96 96 0 0196-96h0a96 96 0 0196 96v32\" class=\"ionicon-fill-none ionicon-stroke-width\"><\/path><\/svg><\/div>\n<p><\/ion-icon><span>\u00a0<\/span>Afegeix a la cistella<\/button><\/div>\n<\/form>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"product-availability d-block\"><\/div>\n<\/div>\n<div class=\"product-description\">\n<div class=\"row extra-small-gutters justify-content-end\">\n<div class=\"col-12\">\n<div class=\"row-flags\"><\/div>\n<\/div>\n<div class=\"col-12\">\n<div class=\"product-brand\"><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/lagrima-artifical-systane-hidratacion-md-alcon.html\">Alcon<\/a><\/div>\n<div class=\"h3 product-title\"><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/lagrima-artifical-systane-hidratacion-md-alcon.html\">Ll\u00e0grima Artifical SYSTANE\u00ae HIDRATACI\u00d3N MD Alcon<\/a><\/div>\n<\/div>\n<div class=\"col-12 product-miniature-left\">\n<div class=\"product-price-and-shipping\"><span class=\"product-price\" content=\"15.7\" aria-label=\"Preu\">15,70\u00a0\u20ac<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"product-description\">\n<div class=\"row extra-small-gutters justify-content-end\">\n<div class=\"col-12 product-miniature-left\"><\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<div class=\"thumbnail-container reviews-loading\">\n<div class=\"thumbnail-container reviews-loading\">\n<p><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/lagrima-artificial-systane-ultra-plus-hidratacion-monodosis-30-uds-alcon.html\" class=\"thumbnail product-thumbnail\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cottet.com\/64030-home_default\/lagrima-artificial-systane-ultra-plus-hidratacion-monodosis-30-uds-alcon.jpg\" alt=\"Ll\u00e0grima Artificial...\" data-full-size-image-url=\"https:\/\/www.cottet.com\/64030-thickbox_default\/lagrima-artificial-systane-ultra-plus-hidratacion-monodosis-30-uds-alcon.jpg\" width=\"305\" height=\"305\" class=\"img-fluid   product-thumbnail-first  \" \/><\/a><\/p>\n<div class=\"product-functional-buttons product-functional-buttons-bottom\">\n<div class=\"product-functional-buttons-links\">\n<div class=\"product-add-cart js-product-add-cart-268-0\">\n<form action=\"https:\/\/www.cottet.com\/ca\/carro-de-la-compra?add=1&amp;id_product=268&amp;id_product_attribute=0\" method=\"post\">\n<div class=\"input-group-add-cart\">\n<p><button class=\"btn btn-product-list add-to-cart\" data-button-action=\"add-to-cart\" type=\"submit\"><ion-icon name=\"bag-outline\" role=\"img\" class=\"md hydrated\" aria-label=\"bag outline\"><\/p>\n<div class=\"icon-inner\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"ionicon s-ion-icon\" viewbox=\"0 0 512 512\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M80 176a16 16 0 00-16 16v216c0 30.24 25.76 56 56 56h272c30.24 0 56-24.51 56-54.75V192a16 16 0 00-16-16zM160 176v-32a96 96 0 0196-96h0a96 96 0 0196 96v32\" class=\"ionicon-fill-none ionicon-stroke-width\"><\/path><\/svg><\/div>\n<p><\/ion-icon><span>\u00a0<\/span>Afegeix a la cistella<\/button><\/div>\n<\/form>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"product-availability d-block\"><\/div>\n<\/div>\n<div class=\"product-description\">\n<div class=\"row extra-small-gutters justify-content-end\">\n<div class=\"col-12\">\n<div class=\"row-flags\"><\/div>\n<\/div>\n<div class=\"col-12\">\n<div class=\"product-brand\"><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/lagrima-artificial-systane-ultra-plus-hidratacion-monodosis-30-uds-alcon.html\">Alcon<\/a><\/div>\n<div class=\"h3 product-title\"><a href=\"https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/lagrima-artificial-systane-ultra-plus-hidratacion-monodosis-30-uds-alcon.html\">Ll\u00e0grima Artificial SYSTANE\u00ae ULTRA PLUS HIDRATACI\u00d3N Monodosis 30 UDS Alcon<\/a><\/div>\n<\/div>\n<div class=\"col-12 product-miniature-left\">\n<div class=\"product-price-and-shipping\"><span class=\"product-price\" content=\"16\" aria-label=\"Preu\">16,00\u00a0\u20ac<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"product-description\">\n<div class=\"row extra-small-gutters justify-content-end\">\n<div class=\"col-12 product-miniature-left\"><\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_button button_url=&#8221;https:\/\/www.cottet.com\/ca\/lentilles-de-contacte-\/llagrima-artifical\/&#8221; button_text=&#8221;Veure models&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_button][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<div class=\"elementor-widget elementor-element elementor-element-nq3pia4 elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<div class=\"elementor-widget elementor-element elementor-element-nq3pia4 elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<h3 class=\"elementor-heading-title elementor-size-default none\"><span>Ull sec a la primavera<\/span><\/h3>\n<\/div>\n<\/div>\n<div class=\"elementor-widget elementor-element elementor-element-9hz1sqy elementor-widget-text-editor\" data-element_type=\"text-editor\">\n<div class=\"elementor-widget-container\">\n<div class=\"elementor-text-editor rte-content\">\n<p>Amb l&#8217;arribada de la nova estaci\u00f3 apareixen efectes ambientals propis com el canvi de temperatura i la pres\u00e8ncia de pol\u00b7len en l&#8217;aire, que afavoreixen l&#8217;aparici\u00f3 d&#8217;ull sec. En aquest sentit la prevenci\u00f3 \u00e9s important perqu\u00e8 \u00e9s una \u00e8poca especialment delicada per a la salut ocular de la poblaci\u00f3. \u201cQuan arriba la primavera s&#8217;incrementen els casos d&#8217;ull sec i al\u00b7l\u00e8rgies oculars, per aquest motiu s&#8217;aconsella l&#8217;\u00fas d&#8217;ulleres o ulleres de sol per a minimitzar el contacte amb el pol\u00b7len mentre caminem, en circular amb moto o patinet per la ciutat o en qualsevol altre espai a l&#8217;aire lliure\u201d, explica Fabio Delgado de Cottet.<\/p>\n<p>&nbsp;<\/p>\n<p>Segons L&#8217;Institut Catal\u00e0 de la Retina la contaminaci\u00f3 en les grans ciutats associades amb el pol\u00b7len que apareix en arribar la primavera pot provocar problemes en els ulls i les vies respirat\u00f2ries en algunes persones, que enfront d&#8217;aquests factors poden experimentar una reacci\u00f3 inflamat\u00f2ria que irriti mucoses , com pot ser la conjuntiva. Els seus s\u00edmptomes poden ser semblats als de les al\u00b7l\u00e8rgies oculars, per la qual cosa hi ha molts pacients que es visiten pensant que presenten un quadre d&#8217;ull sec o al\u00b7l\u00e8rgia ocular, per\u00f2 en alguns casos els s\u00edmptomes provenen d&#8217;una associaci\u00f3 de causes.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/www.cottet.com\/ca\/cita-online&#8221; button_text=&#8221;Demana cita&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_button][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_image src=&#8221;https:\/\/cottet.com\/blog\/wp-content\/uploads\/2025\/03\/ojo-seco-2.jpg&#8221; title_text=&#8221;ojo seco 2&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<div class=\"elementor-section elementor-element elementor-element-x1c7mqt elementor-top-section elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-element_type=\"section\">\n<div class=\"elementor-container elementor-column-gap-default\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column elementor-element elementor-element-y2f0ilg elementor-col-100 elementor-top-column\" data-element_type=\"column\">\n<div class=\"elementor-column-wrap elementor-element-populated\">\n<div class=\"elementor-widget-wrap\">\n<div class=\"elementor-widget elementor-element elementor-element-q0ram1l elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<div class=\"elementor-section elementor-element elementor-element-x1c7mqt elementor-top-section elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-element_type=\"section\">\n<div class=\"elementor-container elementor-column-gap-default\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column elementor-element elementor-element-y2f0ilg elementor-col-100 elementor-top-column\" data-element_type=\"column\">\n<div class=\"elementor-column-wrap elementor-element-populated\">\n<div class=\"elementor-widget-wrap\">\n<div class=\"elementor-widget elementor-element elementor-element-q0ram1l elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<h3 class=\"elementor-heading-title elementor-size-default none\"><span>Consells per a alleujar l&#8217;ull sec<\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"elementor-section elementor-element elementor-element-9yu8m10 elementor-top-section elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-element_type=\"section\">\n<div class=\"elementor-container elementor-column-gap-default\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column elementor-element elementor-element-jtkz96b elementor-col-100 elementor-top-column\" data-element_type=\"column\">\n<div class=\"elementor-column-wrap elementor-element-populated\">\n<div class=\"elementor-widget-wrap\">\n<div class=\"elementor-widget elementor-element elementor-element-7o685ur elementor-widget-icon-list\" data-element_type=\"icon-list\">\n<div class=\"elementor-widget-container\">\n<ul class=\"elementor-icon-list-items\">\n<li class=\"elementor-icon-list-item\"><span class=\"elementor-icon-list-icon\"><i class=\"fa fa-check\"><\/i><\/span><span>\u00a0<\/span><span class=\"elementor-icon-list-text\">Descansar la vista de les pantalles de manera freq\u00fcent. En mirar fixament a una pantalla els parpellejos es redueixen des dels 22 per minut habituals a una mitjana de 7.<\/span><\/li>\n<li class=\"elementor-icon-list-item\"><span class=\"elementor-icon-list-icon\"><i class=\"fa fa-check\"><\/i><\/span><span>\u00a0<\/span><span class=\"elementor-icon-list-text\">\u00das d&#8217;ulleres amb filtre blau.<\/span><\/li>\n<li class=\"elementor-icon-list-item\"><span class=\"elementor-icon-list-icon\"><i class=\"fa fa-check\"><\/i><\/span><span>\u00a0<\/span><span class=\"elementor-icon-list-text\">\u00das de lubrificants oculars com a ll\u00e0grimes artificials 3 o 4 vegades al dia o quan tinguem alguna mol\u00e8stia.<\/span><\/li>\n<li class=\"elementor-icon-list-item\"><span class=\"elementor-icon-list-icon\"><i class=\"fa fa-check\"><\/i><\/span><span>\u00a0<\/span><span class=\"elementor-icon-list-text\">Prevenir l&#8217;exposici\u00f3 directa als corrents de calefacci\u00f3.<\/span><\/li>\n<li class=\"elementor-icon-list-item\"><span class=\"elementor-icon-list-icon\"><i class=\"fa fa-check\"><\/i><\/span><span>\u00a0<\/span><span class=\"elementor-icon-list-text\">Evitar fregar-se els ulls si hi ha sensaci\u00f3 de sorra.<\/span><\/li>\n<li class=\"elementor-icon-list-item\"><span class=\"elementor-icon-list-icon\"><i class=\"fa fa-check\"><\/i><\/span><span>\u00a0<\/span><span class=\"elementor-icon-list-text\">Utilitzar ulleres i ulleres de sol per a minimitzar el contacte dels ulls amb el pol\u00b7len a la primavera i protegir-se del sol.<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"elementor-section elementor-element elementor-element-0z1xe7l elementor-top-section elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-element_type=\"section\">\n<div class=\"elementor-container elementor-column-gap-default\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column elementor-element elementor-element-byglw6w elementor-col-100 elementor-top-column\" data-element_type=\"column\">\n<div class=\"elementor-column-wrap elementor-element-populated\">\n<div class=\"elementor-widget-wrap\">\n<div class=\"elementor-widget elementor-element elementor-element-3w4aqsm elementor-widget-text-editor\" data-element_type=\"text-editor\">\n<div class=\"elementor-widget-container\">\n<div class=\"elementor-text-editor rte-content\">\n<p>Si vens a la teva botiga Cottet m\u00e9s pr\u00f2xima podr\u00e0s resoldre tots els teus dubtes i realitzar una revisi\u00f3 de la vista amb les millors garanties..<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/www.cottet.com\/ca\/cita-online&#8221; button_text=&#8221;Demana cita&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La S\u00edndrome de l&#8217;Ull Sec (SOS) \u00e9s un trastorn ocular d&#8217;origen multifactorial que es produeix per un d\u00e8ficit d&#8217;hidrataci\u00f3, per falta de ll\u00e0grimes (escassa producci\u00f3 o excessiva evaporaci\u00f3) o per produir ll\u00e0grimes de mala qualitat. Aquesta malaltia ha crescut en l&#8217;\u00faltima d\u00e8cada fins a aconseguir a m\u00e9s de 5 milions d&#8217;espanyols<\/p>\n","protected":false},"author":1,"featured_media":760,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-37","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L&#039;Ull sec, una malaltia cada vegada m\u00e9s freq\u00fcent - Cottet Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cottet.com\/blog\/ca\/l-ull-sec-una-malaltia-cada-vegada-mes-frequeent\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L&#039;Ull sec, una malaltia cada vegada m\u00e9s freq\u00fcent - Cottet Blog\" \/>\n<meta property=\"og:description\" content=\"La S\u00edndrome de l&#039;Ull Sec (SOS) \u00e9s un trastorn ocular d&#039;origen multifactorial que es produeix per un d\u00e8ficit d&#039;hidrataci\u00f3, per falta de ll\u00e0grimes (escassa producci\u00f3 o excessiva evaporaci\u00f3) o per produir ll\u00e0grimes de mala qualitat. 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