Chorioretinitis Tuberculous

**Chorioretinitis** are inflammatory diseases of the posterior part of the eye, caused by various infectious and inflammatory processes, mainly of an inflammatory nature, developing in the choroid of the eye.

**Tuberculous (purulent) chorioretinitis** (tuberculosis chorioretinum) is an acute or chronic inflammatory disease of the choroid, retina and optic nerve. The disease is caused by mycobacterium tuberculosis.

Tuberculous lesions of the vascular tract are usually divided into two periods: acute, affecting the peripheral part of the eye and the posterior segment when the pathogen penetrates from the air cavity, which is accompanied by the appearance of subcutaneous abscesses and follicle roots; chronic - damage to the central part of the iris, ciliary body, swelling of the internal membranes and chemolysis.

Depending on which part of the vascular tract the purulent lesion is localized under, the following forms of tuberculosis are distinguished:

tuberculosis