It is a most common intraocular tumor in children ( 1:20000 ). It is diagnosed by presence of white reflex from pupil and squint. Patients have positive family history in 25% of cases.
Both the eyes should be examined under general anaesthesia and all children in family should be examined. There are various treatment modalities depending
on the tumor size, location and numbers.
1) If tumor is smaller than 4 mm and 2 mm thickness, can be treated by cryotherapy or lasers.
2) Radiotherapy by radioactive plaques and external beam irradiation.
3) Removal of eye.
Upto age of 3 years every 4 months.
Age 3 to 5 years every 6 months.
After 5 years every year.