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: Pediatrics
Which of the following is not true about the autistic specific disorder - 
Select and explain. 
A. Impaired communication, B. Impaired imagination, C. Language developmental delay, D. Vision problems
D: Vision problems
Answer: D: Vision problems 
Explanation: Ans. is 'd' i.e., Vision problems o Autism is characterized by Impaired social interaction, impaired communication, and restricted repetitive & stereotyped pattern of behavior. o Restricted repetitive stereotypes pattern of behavior is due to impaired imagination. o So, Diagnostic triad of features is : ? i) Impaired social interaction ii) Impaired communication iii) Impaired imagination o Language development is often quite delayed.