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
Which of the following will not cause pupillary white reflex? 
Select and explain. 
A. Retinoblastoma, B. Glaucoma, C. Cataract, D. Retrolental fibroplasia
B: Glaucoma
Answer: B: Glaucoma 
Explanation: Glaucoma is not a cause of white pupillary reflex (cat's eye reflex). The patient should be evaluated immediately as an impoant differential diagnosis is retinoblastoma. Ref: A.K KHURANA (2005), In the book, "Opthalmology", 3rd Edition, Newdelhi, Page 23, 170, 269