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: Autism is characterized by Impaired social interaction, impaired communication,,and restricted repetitive & stereotyped pattern of behavior.
Restricted repetitive stereotypes pattern of behavior is due to impaired imagination.
So, Diagnostic triad of features is : -


Impaired social interaction
Impaired communication
Impaired imagination


Language development is often quite delayed.