{"id":64,"date":"2018-05-23T14:55:07","date_gmt":"2018-05-23T14:55:07","guid":{"rendered":"http:\/\/www.barnaclinic.com\/blog\/oftalmologia\/ca\/?p=64"},"modified":"2019-02-22T10:30:50","modified_gmt":"2019-02-22T10:30:50","slug":"glaucoma","status":"publish","type":"post","link":"https:\/\/www.barnaclinic.com\/blog\/oftalmologia\/ca\/glaucoma\/","title":{"rendered":"Qu\u00e8 \u00e9s el glaucoma? La ceguesa silenciosa"},"content":{"rendered":"

POST DEL DRA. ELENA MILLA<\/a><\/p>\n

El\u00a0glaucoma<\/strong>\u00a0\u00e9s una malaltia ocular que consisteix en un\u00a0dany del nervi \u00f2ptic<\/strong>\u00a0causat per un excessiu augment de la\u00a0pressi\u00f3 intraocular<\/strong>.<\/span>\u00a0La\u00a0pressi\u00f3 intraocular (PIO)<\/strong>\u00a0est\u00e0 determinada per la\u00a0quantitat de l\u00edquid intraocular<\/strong>\u00a0anomenat\u00a0humor aqu\u00f3s,<\/strong>\u00a0que s’emmagatzema en la part anterior de l’ull.<\/span><\/p>\n

A mesura que avancen els anys i\u00a0sobretot a partir dels 40 anys,<\/strong>\u00a0els sistemes de drenatge de l’ull (malla trabecular<\/em><\/a>) encarregats d’eliminar l’humor aqu\u00f3s van patint una\u00a0fibrosi progressiva<\/strong>\u00a0fins que s\u00f3n incapa\u00e7os de filtrar i eliminar aquest l\u00edquid intraocular.<\/span><\/span><\/p>\n

EL GLAUCOMA, LA CEGUESA SILENCIOSA<\/strong><\/span><\/h2>\n

El\u00a0nervi \u00f2ptic<\/strong>\u00a0\u00e9s una estructura molt delicada situada a la part posterior del globus ocular i encarregada de transportar els est\u00edmuls visuals al cervell.<\/span>\u00a0La pressi\u00f3 elevada comprimeix els petits capil\u00b7lars que nodreixen al nervi \u00f2ptic, dificultant l’aportaci\u00f3 d’oxigen i nutrients i danyant la seva estructura fibril\u00b7lar.<\/span>\u00a0Per aquest motiu, el nervi \u00f2ptic comen\u00e7a a perdre fibres nervioses de manera lenta i progressiva comen\u00e7ant per les m\u00e9s perif\u00e8riques de manera que el pacient va perdent la part lateral del seu camp visual.<\/span>\u00a0Com es produeix de manera lenta i comen\u00e7ant a la perif\u00e8ria, els pacients al principi no s\u00f3n conscients d’aquesta p\u00e8rdua visual fins que aquesta afecta les zones mes centrals, moment en qu\u00e8 el\u00a0glaucoma<\/strong>\u00a0ja es troba en fases avan\u00e7ades.<\/span>\u00a0Per tot aix\u00f2 es coneix aquesta patologia com\u00a0la ceguesa silenciosa,<\/strong>\u00a0ja que\u00a0la p\u00e8rdua visual \u00e9s irreversible.<\/strong><\/span><\/p>\n

\n

\"\"<\/a>“Els pacients amb glaucoma al principi no s\u00f3n conscients d’aquesta p\u00e8rdua visual.<\/span>\u00a0Per aquest motiu se li coneix com\u00a0la ceguesa silenciosa,<\/strong>\u00a0ja que\u00a0la p\u00e8rdua visual \u00e9s irreversible “<\/strong><\/span><\/h4>\n

Dra.\u00a0Elena Mill\u00e1<\/strong><\/a><\/span><\/p><\/blockquote>\n

<\/h2>\n

QUAN PARLEM D’HIPERTENSI\u00d3 OCULAR I QUAN DE GLAUCOMA<\/strong><\/span><\/h2>\n

Parlem de\u00a0glaucoma<\/strong>\u00a0quan el nervi \u00f2ptic d\u00f3na senyals d’estar danyat.<\/span>\u00a0En les fases inicials en qu\u00e8 \u00fanicament es constata un augment de la PIO per\u00f2 el nervi encara est\u00e0 sa, es parla\u00a0d’hipertensi\u00f3 ocular<\/strong>\u00a0i no de\u00a0glaucoma.<\/strong><\/span>\u00a0\u00c9s de vital import\u00e0ncia diagnosticar els pacients en aquesta fase per posar-li tractament preco\u00e7ment i evitar que evolucioni.<\/span><\/p>\n

\n

\"\"<\/a><\/h4>\n

“En les fases inicials es parla\u00a0d’hipertensi\u00f3 ocular, no glaucoma.<\/strong><\/span>\u00a0\u00c9s de vital import\u00e0ncia diagnosticar els pacients en aquesta fase per evitar que evolucioni a glaucoma”<\/strong><\/span><\/h4>\n

Dra.\u00a0Elena Mill\u00e1<\/strong><\/a><\/p><\/blockquote>\n

Fases:<\/span><\/h5>\n

A\/<\/strong>\u00a0L’humor aqu\u00f3s<\/strong>\u00a0no pot drenar a trav\u00e9s de les estructures de drenatge que es troben obliteradas i s’acumula a la part anterior de l’ull causant la hipertensi\u00f3 ocular<\/span><\/p>\n

B\/<\/strong>\u00a0Cap del nervi \u00f2ptic des d’on surt aquest nervi cap al cervell i que mostra canvis patol\u00f2gics caracter\u00edstics davant un augment de PIO mantingut causant el\u00a0glaucoma<\/strong><\/span><\/p>\n

\n
El Glaucoma com un lavabo obstru\u00eft<\/strong><\/span><\/h6>\n

En certa manera, es pot fer un s\u00edmil entre el\u00a0glaucoma<\/strong>\u00a0i un lavabo les canonades estan obstru\u00efdes.<\/small><\/span>\u00a0La “canonada” per on ha d’eliminar\u00a0l’humor aqu\u00f3s<\/strong>\u00a0\u00e9s un canal que d\u00f3na la volta 360\u00ba al voltant de la part anterior de l’ull i \u00e9s com un cintur\u00f3 que l’envolta (canal de Schlemm<\/a>).<\/small><\/span>\u00a0Est\u00e0 situat a l’interior de l’angle format entre la c\u00f2rnia i l’iris de l’ull.<\/small><\/span>\u00a0Quan aquest angle t\u00e9 una obertura suficient es diu que es troba obert, en canvi, quan la dist\u00e0ncia entre la c\u00f2rnia i l’iris disminueix, es produeix un estrenyiment de l’angle de la cambra anterior de l’ull.<\/small><\/span><\/p>\n

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<\/p>\n

\u00bfQUIERE CONTACTAR CON LA DRA. ELENA MILLA?<\/span><\/h1>\n

PEDIR CITA<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

POST DEL DRA. ELENA MILLA El\u00a0glaucoma\u00a0\u00e9s una malaltia ocular que consisteix en un\u00a0dany del nervi \u00f2ptic\u00a0causat per un excessiu augment de la\u00a0pressi\u00f3 intraocular.\u00a0La\u00a0pressi\u00f3 intraocular (PIO)\u00a0est\u00e0 determinada per la\u00a0quantitat de l\u00edquid intraocular\u00a0anomenat\u00a0humor aqu\u00f3s,\u00a0que s’emmagatzema en la part anterior de l’ull. A mesura que avancen els anys i\u00a0sobretot a partir dels 40 anys,\u00a0els sistemes de drenatge de […]<\/p>\n","protected":false},"author":2,"featured_media":53,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[29,30],"yoast_head":"\nQu\u00e8 \u00e9s el glaucoma? 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