Survival rates for children with retinoblastoma are favorable, with more than 93% alive five years after diagnosis. Males and females have similar five-year survival rates for the period 1976-1994, namely 93 and 94%

retinoblastoma

Yes, there is, and it is recommended if you have a family history of retinoblastoma. One lab that performs genetic testing is Retinoblastoma Solutions,

Individuals with intraocular retinoblastoma who do not have trilateral retinoblastoma usually have a good survival rate with a 90% chance of disease-free survival for five years.

Approximately 40% of people with retinoblastoma have an inherited form of the condition and approximately 60% have a sporadic (not inherited) form.