{"id":889,"date":"2024-07-04T13:52:00","date_gmt":"2024-07-04T11:52:00","guid":{"rendered":"https:\/\/cottet.com\/blog\/que-es-y-para-que-sirve-una-lente-asferica\/"},"modified":"2025-04-01T13:14:03","modified_gmt":"2025-04-01T11:14:03","slug":"que-es-i-per-a-que-serveix-una-lent-asferica","status":"publish","type":"post","link":"https:\/\/www.cottet.com\/blog\/ca\/que-es-i-per-a-que-serveix-una-lent-asferica\/","title":{"rendered":"Qu\u00e8 \u00e9s i per a qu\u00e8 serveix una lent asf\u00e8rica?"},"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;][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>Qu\u00e8 \u00e9s i per a qu\u00e8 serveix una lent asf\u00e8rica?<br \/>\n<\/h1>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/cottet.com\/blog\/wp-content\/uploads\/2025\/03\/113-thumb.jpg&#8221; title_text=&#8221;113-thumb&#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>Potser mai has escoltat aquest terme, ja que no \u00e9s un concepte molt conegut, o potser et soni si ets aficionat a la fotografia, ja que aquestes lents s&#8217;utilitzen molt en una gran part de dispositius d&#8217;aquest tipus, com c\u00e0meres i telescopis.<\/p>\n<p>Com que les lents asf\u00e8riques tamb\u00e9 s\u00f3n comunes en el m\u00f3n de l&#8217;\u00f2ptica i tenen molts usos diferents, en la publicaci\u00f3 d&#8217;avui veurem qu\u00e8 s\u00f3n i per a qu\u00e8 serveix una lent asf\u00e8rica.<\/p>\n<p><strong>Lents asf\u00e8riques, qu\u00e8 s\u00f3n?<\/strong><\/p>\n<p>Una lent asf\u00e8rica \u00e9s un tipus de lent que no t\u00e9 una esfera perfecta. Aquestes lents estan dissenyades amb una forma esferoide, \u00e9s a dir, amb una forma arrodonida per\u00f2 allargada als extrems, similar a una pilota de futbol americ\u00e0. Aquesta forma especial enfoca millor la llum i redueix les distorsions que s\u00f3n comunes en les lents esf\u00e9riques.<\/p>\n<p>Les lents asf\u00e8riques han revolucionat molts camps de l&#8217;\u00f2ptica moderna per haver redu\u00eft les distorsions de les lents tradicionals, permetent imatges m\u00e9s n\u00edtides i clares. En la fotografia professional, l&#8217;\u00f2ptica m\u00e8dica i la tecnologia de consum, s\u00f3n cada cop m\u00e9s utilitzades per aquesta millor precisi\u00f3.<\/p>\n<p dir=\"ltr\">\n<p>No nom\u00e9s s\u00f3n \u00fatils per millorar la qualitat de les imatges, sin\u00f3 tamb\u00e9 per alleugerir el pes de les c\u00e0meres, fent-les m\u00e9s petites i lleugeres. Tamb\u00e9 en els equips m\u00e8dics, fent-los m\u00e9s petits i pr\u00e0ctics, ja que les lents asf\u00e8riques permeten el disseny de dispositius m\u00e9s compactes i lleugers.<\/p>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/www.cottet.com\/es\/cita-online&#8221; button_text=&#8221;Demana cita pr\u00e8via ara&#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-v9xpac0 elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<h2 class=\"elementor-heading-title elementor-size-default none\"><span>Usos de les lents asf\u00e8riques en diferents \u00e0mbits<\/span><\/h2>\n<\/div>\n<\/div>\n<div class=\"elementor-widget elementor-element elementor-element-3ssea7z 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><strong>A llarg de la hist\u00f2ria, la lent asf\u00e8rica ha tingut molts usos per a diferents aplicacions. Ja al segle XVII, Ren\u00e9 Descartes va proposar utilitzar aquestes superf\u00edcies per millorar la qualitat de la imatge dels telescopis; lamentablement, la tecnologia de l&#8217;\u00e8poca no permetia la seva fabricaci\u00f3. No va ser fins al segle XX que les lents asf\u00e8riques van comen\u00e7ar a ser una realitat pr\u00e0ctica.<\/strong><\/p>\n<p>Gr\u00e0cies als aven\u00e7os tecnol\u00f2gics, la introducci\u00f3 de noves t\u00e8cniques de modelatge i poliment va permetre fabricar lents asf\u00e8riques amb m\u00e9s precisi\u00f3, obrint el cam\u00ed per poder usar-les en diferents camps.<\/p>\n<p>En l&#8217;\u00e0mbit de la fotografia, les lents asf\u00e8riques han perm\u00e8s la creaci\u00f3 de gran angulars i teleobjectius.<\/p>\n<p>En el camp de l&#8217;\u00f2ptica i la ind\u00fastria m\u00e8dica, la lent asf\u00e8rica s&#8217;ha utilitzat per fabricar lents de contacte i equips de diagn\u00f2stic com els microscopis i els oftalmoscopis.<\/p>\n<p>En l&#8217;astronomia, els telescopis moderns utilitzen la lent asf\u00e8rica per obtenir imatges n\u00edtides i clares d&#8217;objectes celestes cada vegada m\u00e9s distants de nosaltres.<\/p>\n<p><strong>Aplicacions de les lents asf\u00e8riques<\/strong><\/p>\n<p>Actualment, les lents asf\u00e8riques destaquen per la seva funci\u00f3 en tres tipus d&#8217;aplicacions:<\/p>\n<p dir=\"ltr\">\n<ul>\n<li>\n<p><strong>Fotografia i v\u00eddeo<\/strong>: avui dia, les millors lents del mercat inclouen lents asf\u00e8riques, ja que corregeixen les deformacions \u00f2ptiques i ajuden a millorar la imatge en objectius gran angular i teleobjectius.<\/p>\n<\/li>\n<li>\n<p><strong>\u00d2ptica i medicina<\/strong>: s&#8217;utilitzen en la fabricaci\u00f3 de lents de contacte. Ofereixen una major correcci\u00f3 visual gr\u00e0cies a que la llum es distribueix millor a la retina, especialment en condicions de poca llum.<\/p>\n<\/li>\n<li>\n<p><strong>En els microscopis<\/strong>, les lents asf\u00e8riques s\u00f3n essencials per obtenir imatges d&#8217;alta resoluci\u00f3 i major precisi\u00f3 en l&#8217;observaci\u00f3 de les mostres.<\/p>\n<\/li>\n<li>\n<p><strong>Tecnologia de consum<\/strong>: els tel\u00e8fons m\u00f2bils s\u00f3n actualment dispositius de fotografia i v\u00eddeo, no nom\u00e9s per trucar. Les lents asf\u00e8riques s&#8217;han integrat en les c\u00e0meres de moltes marques d&#8217;smartphones per millorar la qualitat de les fotos i v\u00eddeos.<\/p>\n<\/li>\n<li>\n<p><strong>En els dispositius de realitat virtual<\/strong>, les lents asf\u00e8riques tamb\u00e9 s\u00f3n importants per la qualitat d&#8217;imatge que ofereixen i la reducci\u00f3 de la distorsi\u00f3 de la imatge, per fer l&#8217;experi\u00e8ncia el m\u00e9s propera a la realitat possible.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/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\/122-thumb.png&#8221; title_text=&#8221;122-thumb&#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_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\/es\/cita-online&#8221; button_text=&#8221;Demana cita pr\u00e8via ara&#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_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\/gafas-de-sol-mujer-legacy-1840-macba-920-animal-print-grey-51.html\" class=\"thumbnail product-thumbnail\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cottet.com\/85355-home_default\/gafas-de-sol-mujer-legacy-1840-macba-920-animal-print-grey-51.jpg\" data-src=\"https:\/\/www.cottet.com\/85355-home_default\/gafas-de-sol-mujer-legacy-1840-macba-920-animal-print-grey-51.jpg\" width=\"305\" height=\"305\" alt=\"Ulleres de sol Legacy 1840... 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-20449-0\">\n<form action=\"https:\/\/www.cottet.com\/ca\/carro-de-la-compra?add=1&amp;id_product=20449&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\/gafas-de-sol-mujer-legacy-1840-macba-920-animal-print-grey-51.html\">Legacy 1840<\/a><\/div>\n<div class=\"h3 product-title\"><a href=\"https:\/\/www.cottet.com\/ca\/gafas-de-sol-mujer-legacy-1840-macba-920-animal-print-grey-51.html\">Ulleres de sol Legacy 1840 &#8211; Macba 920 Animal Print Grey 51<\/a><\/div>\n<\/div>\n<div class=\"col-12 product-miniature-left\">\n<div class=\"product-price-and-shipping\"><span class=\"product-price\" content=\"189\" aria-label=\"Preu\">189,00\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_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\/ulleres-de-sol\/gafas-de-sol-hombre-oakley-0oo9436-54-943603_.html\" class=\"thumbnail product-thumbnail\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cottet.com\/42988-home_default\/gafas-de-sol-hombre-oakley-0oo9436-54-943603_.jpg\" alt=\"Ulleres de Sol Oakley...\" data-full-size-image-url=\"https:\/\/www.cottet.com\/42988-thickbox_default\/gafas-de-sol-hombre-oakley-0oo9436-54-943603_.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-1974-0\">\n<form action=\"https:\/\/www.cottet.com\/ca\/carro-de-la-compra?add=1&amp;id_product=1974&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\/ulleres-de-sol\/gafas-de-sol-hombre-oakley-0oo9436-54-943603_.html\">Oakley<\/a><\/div>\n<div class=\"h3 product-title\"><a href=\"https:\/\/www.cottet.com\/ca\/ulleres-de-sol\/gafas-de-sol-hombre-oakley-0oo9436-54-943603_.html\">Ulleres de Sol Oakley 0OO9436 54 943603<\/a><\/div>\n<\/div>\n<div class=\"col-12 product-miniature-left\">\n<div class=\"product-price-and-shipping\"><span class=\"product-price\" content=\"172\" aria-label=\"Preu\">172,00\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_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\/outlet\/gafas-premontadas-moleskine-mr31008020-gris-cristal-200.html\" class=\"thumbnail product-thumbnail\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cottet.com\/46527-home_default\/gafas-premontadas-moleskine-mr31008020-gris-cristal-200.jpg\" data-src=\"https:\/\/www.cottet.com\/46527-home_default\/gafas-premontadas-moleskine-mr31008020-gris-cristal-200.jpg\" width=\"305\" height=\"305\" alt=\"Ulleres de lectura... 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-8985-0\">\n<form action=\"https:\/\/www.cottet.com\/ca\/carro-de-la-compra?add=1&amp;id_product=8985&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\/outlet\/gafas-premontadas-moleskine-mr31008020-gris-cristal-200.html\">MOLESKINE<\/a><\/div>\n<div class=\"h3 product-title\"><a href=\"https:\/\/www.cottet.com\/ca\/outlet\/gafas-premontadas-moleskine-mr31008020-gris-cristal-200.html\">Ulleres de lectura pregraduades MOLESKINE MR31008020 GRIS CRISTAL +2,00<\/a><\/div>\n<\/div>\n<div class=\"col-12 product-miniature-left\">\n<div class=\"product-price-and-shipping\">\n<p><span class=\"product-price\" content=\"22\" aria-label=\"Preu\"><span class=\"red\">22,00\u00a0\u20ac<\/span><span>\u00a0<\/span><\/span><span class=\"regular-price text-muted\">44,00\u00a0\u20ac<\/span><span>\u00a0<\/span><span class=\"flag-has-disc\">-50%<\/span><\/p>\n<div class=\"msg_discount\"><\/div>\n<\/div>\n<div class=\"productlist-stars\"><\/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\/ulleres-graduades\/gafas-graduadas-hombre-tom-ford-ft5629-b-052.html#\/17-como_quieres_tu_gafa-graduada\/18-tipo_de_lente-lentes_progresivas\" class=\"thumbnail product-thumbnail\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cottet.com\/63159-home_default\/gafas-graduadas-hombre-tom-ford-ft5629-b-052.jpg\" data-src=\"https:\/\/www.cottet.com\/63159-home_default\/gafas-graduadas-hombre-tom-ford-ft5629-b-052.jpg\" width=\"305\" height=\"305\" alt=\"Ulleres Graduades - Tom... 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-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\/ulleres-graduades\/gafas-graduadas-hombre-tom-ford-ft5629-b-052.html#\/17-como_quieres_tu_gafa-graduada\/18-tipo_de_lente-lentes_progresivas\">Tom Ford<\/a><\/div>\n<div class=\"h3 product-title\"><a href=\"https:\/\/www.cottet.com\/ca\/ulleres-graduades\/gafas-graduadas-hombre-tom-ford-ft5629-b-052.html#\/17-como_quieres_tu_gafa-graduada\/18-tipo_de_lente-lentes_progresivas\">Ulleres Graduades &#8211; Tom Ford FT5629-B 052<\/a><\/div>\n<\/div>\n<div class=\"col-12 product-miniature-left\">\n<div class=\"product-price-and-shipping\">\n<p><span class=\"product-price\" content=\"290\" aria-label=\"Preu\">290,00\u00a0\u20ac<\/span><\/p>\n<div class=\"msg_discount\"><\/div>\n<\/div>\n<div class=\"productlist-stars\"><\/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<div class=\"elementor-widget elementor-element elementor-element-kxnh3yk elementor-widget-heading\" data-element_type=\"heading\">\n<div class=\"elementor-widget-container\">\n<h2 class=\"elementor-heading-title elementor-size-default none\"><span>Lents asf\u00e8riques i la miopia alta<\/span><\/h2>\n<\/div>\n<\/div>\n<div class=\"elementor-widget elementor-element elementor-element-rnrxwzz 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><strong>La miopia \u00e9s una condici\u00f3 que afecta la refracci\u00f3 en qu\u00e8 els objectes propers es veuen de manera clara, per\u00f2 els objectes llunyans no. Quan es parla de miopia alta, tamb\u00e9 anomenada miopia magna, es fa refer\u00e8ncia als casos m\u00e9s greus, en aquells que superen les 6-8 di\u00f2ptries.<\/strong><\/p>\n<p>La principal avantatge de les lents asf\u00e8riques en la miopia alta \u00e9s la qualitat de la imatge, oferint una millor visi\u00f3 amb elles que amb les lents esf\u00e9riques tradicionals. Les persones afectades per miopia alta poden experimentar una visi\u00f3 borrosa i distorsionada amb les lents m\u00e9s convencionals, i les lents asf\u00e8riques la redueixen, fent la visi\u00f3 m\u00e9s c\u00f2moda i reduint la fatiga ocular.<\/p>\n<p><strong>Millora del camp visual<\/strong><br \/>Les lents asf\u00e8riques ofereixen un camp de visi\u00f3 m\u00e9s ampli que les esf\u00e9riques, sobretot als extrems, i aix\u00f2 pot representar un problema per a les persones amb miopia alta. Algunes persones necessiten adaptar-se durant un temps a aquestes lents, quan les han portades de tipus diferent abans, per\u00f2 val la pena per aquests beneficis addicionals que ofereixen.<\/p>\n<p><strong>Millora est\u00e8tica<\/strong><br \/>Les lents asf\u00e8riques ajuden les persones amb miopia alta tamb\u00e9 en l&#8217;aspecte est\u00e8tic, ja que les ulleres per a di\u00f2ptries m\u00e9s altes, hist\u00f2ricament, han tingut unes lents molt gruixudes que distorsionaven l&#8217;ull vist des de fora, no sent gens afavoridores des del punt de vista de la imatge.<\/p>\n<p>Les lents asf\u00e8riques alleugereixen el pes de les lents i l&#8217;ull vist des de fora es veu m\u00e9s natural en la seva forma i mida.<\/p>\n<p><strong>Cost<\/strong><br \/>Es podria dir que el \u00fanic inconvenient de les lents asf\u00e8riques \u00e9s el cost de les mateixes. Aix\u00f2 pot ser un impediment per a moltes persones, tot i que considerant les millores en la visi\u00f3, la qualitat afegida, la comoditat per la reducci\u00f3 del pes de les ulleres i les m\u00faltiples opcions de muntures (menors amb lents m\u00e9s gruixudes), malgrat el major cost, \u00e9s una molt bona opci\u00f3 a considerar.<\/p>\n<p>En resum, les lents asf\u00e8riques s\u00f3n una excel\u00b7lent opci\u00f3 per millorar la qualitat de visi\u00f3 i l&#8217;est\u00e8tica de les ulleres, per a les persones amb miopia alta, que al final es tradueix en una millor qualitat de vida.<\/p>\n<p>Les lents asf\u00e8riques han suposat una revoluci\u00f3 no nom\u00e9s en el m\u00f3n de la visi\u00f3, sin\u00f3 tamb\u00e9 en altres camps com el m\u00e8dic i les noves tecnologies.<\/p>\n<p dir=\"ltr\">\n<p>Recorda que, si sents que pateixes algun tipus de problema de visi\u00f3, i el que hem descrit sobre la lent asf\u00e8rica et pot ser \u00fatil, potser pateixes de miopia. En aquest cas, el millor \u00e9s acudir a l&#8217;\u00f2ptica i fer-te una revisi\u00f3.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/www.cottet.com\/es\/cita-online&#8221; button_text=&#8221;Demana cita pr\u00e8via ara&#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>En aquesta ocasi\u00f3 t&#8217;expliquem qu\u00e8 \u00e9s una lent asf\u00e8rica, quins usos t\u00e9 i com ens beneficia en el m\u00f3n de l&#8217;\u00f2ptica.<\/p>\n","protected":false},"author":1,"featured_media":884,"comment_status":"open","ping_status":"open","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-889","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>Qu\u00e8 \u00e9s i per a qu\u00e8 serveix una lent asf\u00e8rica? 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