Sometimes only one eye is affected (unilateral-retinoblastoma ), but in about two fifths of patients both eyes have the disease (bilateral-retinoblastoma ). Some cases are known to be hereditary.
Sometimes only one eye is affected (unilateral-retinoblastoma ), but in about two fifths of patients both eyes have the disease (bilateral-retinoblastoma ). Some cases are known to be hereditary.
Retinoblastoma is a rare tumor of the eye which develops in the cells of the retina, most patients are under 5 years old.