This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Treatment of uniocular retinoblastoma in 1st and 2nd stages is: March 2004 
Select and explain. 
A. Enucleation, B. Radiotherapy, C. Chemotherapy, D. None
A: Enucleation
Answer: A: Enucleation 
Explanation: Ans. A i.e. Enucleation