Samoyed dog (detail introduction)
There are many reasons that can cause leukoplasty diseases. This disease generally occurs on elderly dogs, but it cannot exclude canine leukoplasty caused by congenital cataracts, secondary cataracts, and trauma cataracts. The classification of the etiology of dog cataracts is described in detail below.
1. Congenital cataract
Congenital cataracts can be divided into two types, one is genetic, and the other is irregular. Incredible congenital cataracts are due to the abnormality of the crystal and its capsule when developing in the mother, and the developmental malformations. The cataracts expressed after birth generally need to be observed after the eyelids of the dog are opened. The hereditary cataract is determined by genetic genes.
2. Elderly cataract
It is mainly seen in aging dogs 8 to 12, and one of the most common cataracts. It is the turbid body caused by crystal fiber degeneration. The mechanism has not yet been fully clear. It only knows that free radicals, ultraviolet rays, and systemic diseases. Such as many factors such as diabetes and hypertension.
3. Internal cataract
Cataracts caused by crystal nutritional disorders caused by mechanical damage caused by various blunt or sharp objects pierced corneal or other orbital tissues.
Four, concurrent cataract
Refers to cataracts caused by the lesions of the whole body or eye, such as the increased blood sugar caused by diabetes, which causes the body's metabolic disorders, which often occurs with white internal incompletes. According to data, the chance of diabetes is as high as 60%.
5. Secondary cataract
Subsidies in severe eye inflammation, such as uveitis and retinopathy.
Among pet dogs, the most common is senile cataracts, congenital cataracts and trauma cataracts, followed by cataracts caused by hormone abnormalities and poisoning. When the editor believes that before the 6 -year -old dog has no other reasons and cataracts occur, it is suspected that congenital cataracts caused by genetic factors are suspected.