This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Retinoblastoma differs from pseudoglioma by 
Select and explain. 
A. Decreasing Intraocular pressure, B. Blurring of vision, C. Enlargement of optic foramen, D. All the above
C: Enlargement of optic foramen
Answer: C: Enlargement of optic foramen 
Explanation: There is increased intraocular pressure in retinoblastoma. Blurring of vision can be seen in pseudo glioma also Refer khurana 6/e p 303