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Owrzodzenia rogówki u małych zwierząt - Vetkompleksowo – serwis dla lekarzy weterynarii
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Wyszukaj w serwisie


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Owrzodzenia rogówki u małych zwierząt – klasyfikacja, diagnostyka i leczenie


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Owrzodzenie rogówki należy do schorzeń okulistycznych najczęściej występujących u małych zwierząt, przede wszystkim u psów i kotów. Stan ten może prowadzić do poważnych powikłań, takich jak perforacja rogówki lub zapalenie wnętrza gałki ocznej (łac. endophthalmitis), a w skrajnych przypadkach do całkowitej utraty wzroku. Ze względu na kluczową rolę rogówki w ochronie wnętrza oka oraz prawidłowym załamywaniu światła, szybkie rozpoznanie i właściwe leczenie stanowią fundament skutecznej terapii. Niniejszy artykuł kompleksowo omawia przyczyny i mechanizmy powstawania owrzodzeń rogówki oraz metody diagnostyczne i strategie terapeutyczne – zarówno farmakologiczne, jak i chirurgiczne – stosowane w ich leczeniu u małych zwierząt.

Anatomia i funkcja rogówki

Rogówka, będąca przezroczystą przednią powłoką gałki ocznej, spełnia dwie zasadnicze funkcje: ochronną oraz optyczną. Jej budowa opiera się na kilku warstwach, z których każda pełni określoną rolę. Zewnętrzny nabłonek rogówki stanowi pierwszą linię obrony, charakteryzując się szybkim procesem regeneracji, co umożliwia przywrócenie ciągłości powierzchni w przypadku drobnych uszkodzeń. Bezpośrednio pod nabłonkiem znajduje się błona Bowmana – cienka, ale wytrzymała struktura, która wspiera i stabilizuje nabłonek. Główna część rogówki, zwana istotą właściwą lub zrębem, składa się z równolegle ułożonych włókien kolagenowych, co nadaje jej wytrzymałość mechaniczną, jednakże ogranicza zdolność do regeneracji ze względu na brak naczyń krwionośnych. Kolejną warstwą jest błona Descemeta, cienka, lecz bardzo odporna, stanowiąca granicę między zrębem a śródbłonkiem, który z kolei odpowiada za utrzymanie równowagi wodnej w rogówce oraz zapobiega jej obrzękowi.

Uszkodzenie którejkolwiek [...]

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Mogą zainteresować Cię również


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Wizytówka firmy


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Sklep


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