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Aqueous humor is produced by the ciliary body by active secretion and filtration of plasma. Most of the aqueous humor flows from the posterior chamber, through the pupil, to the anterior chamber, and goes out at the iridocorneal angle into the intrascleral venous plexus. The balance between formation and drainage maintains intraocular pressure. In glaucoma the pressure in the eye increased. Prolonged...
Entropium i Ektropium zaliczają się do powszechnie spotykanych przypadków okulistycznych u psów i kotów. Są przyczyną wielu poważnych powikłań, a nie leczone doprowadzić mogą do utraty wzroku. Prawidłowe rozpoznanie jest warunkiem zastosowania odpowiedniej procedury chirurgicznej, prowadzącej do pełnego wyleczenia.
Physical and functional abnormalities of the lids or adnexal ocular structures may result in abnormalities of the cornea and subsequently vision. Cancer begins when normal cells start to change and grow uncontrollably, forming a mass called a tumor. Eyelid tumors can be either benign or malignant. The most common malignant eyelid tumors include basal cell carcinoma, sebaceous gland carcinoma, squamous...
Przewlekłe powierzchowne zapalenie rogówki (PPZR) - keratitis superficialis chronica jest jedną z najgroźniejszych chorób narządu wzroku psów. Choroba przebiega z objawami nacieku włóknisto-naczyniowej tkanki, wrastania naczyń krwionośnych i pigmentacji, które pojawiają się w dolnych kwadrantach rogówki. Jest to choroba o podłożu immunologicznym ale dokładny czynnik etiologiczny pozostaje nieustalony...
The uvea includes the iris, the ciliary body and the choroids. An inflammation of the uvea tract can be defined as uveitis. Uveitis is usually classified into anterior uveitis – involving the iris and ciliary body, intermediate uveitis and posterior uveitis – involving the choroid and retina. There are many known causes of uveitis e.g. (infections, trauma, parasites, immune-mediated, tumors). A specific...
Collie with other several breeds share collie eye anomaly (CEA). It is an inherited and congenital eye diseases affecting choroid and sclera. Affected dogs share deletion in intron 4 of the NHEJ1 gene. The symptoms and signs can vary among affected dogs within one breed. CEA is not progressive in the usual sense. The lesion appears as an area lateral to the optic disc. In severely affected dogs, there...
Opisano przypadek klinicznego grzybicze zapalenie rogówki o złożonej etiologii u konia. Chorobę rozpoznano u klaczy, maści gniadej, w wieku 7 lat. Badanie okulistyczne wykazało w dolnym skroniowym kwadrancie rogówki: wrastanie naczyń krwionośnych, naciek zapalny, obrzęk, wieloogniskowe nacieki podnabłonkowe oraz powierzchowne owrzodzenie rogówki z oddzieleniem nabłonka. Cytologia impresyjna oraz badania...
Aqueous humor is produced by the ciliary body by active secretion and filtration of plasma. Most of the aqueous humor flows from the posterior chamber, through the pupil, to the anterior chamber, and exit at the iridocorneal angle into the intrascleral venous plexus. The balance between formation and drainage maintains intraocular pressure. In glaucoma the pressure in the eye increased. Prolonged...
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