![]() Scientific research on feline corneal sequestrum are not yet fully conclusive and have not fully established its cause. ![]() Now that we know the nature of sequestrum in cats and its symptoms, we are going to see its underlying causes. Learn more about frequent medical issues for the Persian cat breed with the common diseases of Persian cats. The Persian cat appears to have greater prevalence to this condition, although it is also relatively more frequent in the following breeds: It is a condition which has a certain predisposition according to breed. it affects only one of the feline's two eyes. This corneal disorder appears mainly in cats between 2 and 7 years of age and usually only unilateral, i.e. This ocular disorder produces a lot of pain in our cats due to the degree of penetration into the cornea. It does not stain when fluorescein dye is applied. In the initial stages it can be confused with a corneal ulcer, but the sequestrum evolves to a dark color. This can lead to perforation and even the eventual loss of the affected eye. This plaque appears as a black spot which is sometimes surrounded by new blood vessels. This pigment is diffusely located in the upper stroma of the cornea and gradually transforms into an irregular black plaque. It results in the presence of porphyrins, a dark brown pigment. Also known as feline corneal degeneration, corneal sequestrum in cats is a condition of the cornea which causes focal degeneration of collagen.
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