cryotherapy

The retinoblastoma

Retinoblastoma is a malignant tumor that affects the retina and occurs in children under the age of three, in a ratio of 1 in 20,000. It is a rather rare disease that leads to blindness, the causes are unknown, however it seems to have a hereditary character when it affects both eyes. The tumor manifests… Continua a leggere The retinoblastoma