This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors, Subject name: Ophthalmology
[{'content': 'All are presentation of retinoblastoma except - \nSelect and explain. \nA. Leucocoria, B. Accommodative squint, C. Cataract, D. Glaucoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Leucocoria(60%), strabismus (20%) ,accommodative squint,glaucoma, nystagmus and painfull red eye. Ref: ak khurana 6th edition', 'role': 'assistant'}]