Cataract

Cataract

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Cataract- eye disease, DOS. the manifestation of the cut is the partial or complete clouding of the substance or capsule of the lens with a decrease in visual acuity up to its complete loss. There are K. primary and secondary, acquired and congenital. In a healthy child, the pupil is black in color, due to the transparency of the deep environments of the eye, a considerable distance from the opaque back wall. The white color of the pupil is caused by clouding of the lens - cataract. For acquired C., the progressive nature of the process is as a result, as a result, the entire crystalline lens becomes turbid, and the vision is reduced to light perception with the correct projection. K. congenital in most cases does not progress, is often a symptom of other diseases (Low syndrome, Alpfta syndrome, Hallermann).

ETIOLOGY and PATHOGENESIS: hereditary conditionality, hereditary metabolic disorders in the body of the fetus - newborn, infection (usually viral), toxicosis of pregnant women, injuries and diseases of the eye membranes, common diseases.

CLINICAL SYMPTOMATIC: visual disturbances of varying degrees depending on the location of opacitiesand its intensity.

DIAGNOSIS is based on the detection of turbidity behind the plane of the iris.

TREATMENT is surgical.

SCHEMATIC IMAGE OF DIFFERENT FORMS CATARACT:
(Forms 1-6 are found in congenital cataracts, forms 4-6, and for acquired cataracts): 1 - polar anterior (a) and posterior (b); 2 - fusiform; 3 - layered (zonular); 4 - nuclear; 5 - cortical; 6 - complete.

Cataract images, pictures

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