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
Increased LDH in Aqueous Humor suggest a diagnosis of – 
Select and explain. 
A. Galactosemia, B. Retinoblstoma, C. Glaucoma, D. Gyrate atrophy
B: Retinoblstoma
Answer: B: Retinoblstoma 
Explanation: LDH of aqueous humor is often used as a marker for retinoblastoma.