Fungal infections of the cornea
Fungal inflammatory lesions of the cornea called keratomikozy otherwise. They occur when the cornea is damaged items that may have on their surface fungi or their spores. This hay, straw, flax trash, grass, dry leaves, bark of trees. Fall into the cornea usually two types of mushrooms: white - and gray-Candida fungi.
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Syphilitic keratitis
Syphilitic keratitis is also called parenchymal, or diffuse deep. Usually it occurs in congenital syphilis, when the baby is born already syphilis, infected by the mother in utero.
Syphilitic keratitis is manifested in age from 5 to 20 years, at an older age before he vstechalsya, but
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Tuberculous keratitis
Tuberculous keratitis can occur when the penetration of Mycobacterium tuberculosis in the corneal tissue from other sites of infection, then it is called metastatic or hematogenous. In another case tuberculous keratitis develops as an allergic process due to effects on the tubercle bacillus. There are three forms of hematogenous or metastatic
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Herpetic keratitis
Among the viral keratitis most often affects the cornea of the herpes virus. Common to all viral infections is that they are always accompanied by damage to the nervous tissue, which shows a violation of the innervation of the cornea and decrease its sensitivity. Often, viral keratitis occur for a long time and very often recur.
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Congenital and degenerative changes of the cornea
For congenital anomalies include anomalies of the size and shape of the cornea.
Mikrokornea.
Mikrokornea or small cornea - corneal anomaly of development characterized by a decrease in its size. Typically, such an anomaly is combined with
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Malformations of the optic nerve
The optic nerve in its development and structure of a brain region which is submitted to the periphery. It consists of processes of third nerve cells of the retina. These processes and form the optic nerve.
On the back of the eye can see part of the intraocular optic nerve - the optic disc. In the area of t
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Congested optic disk
Congested optic disk - are seen from the fundus. It is a papilledema noninflammatory nature. Most often this is not a disease but a sign of increased intracranial pressure.
The causes of increased intracranial pressure are:
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