Diplopia is characteristic feature of: (A) Concomitant squint, (B) Non-paralytic squint, (C) Paralytic squint, (D) Latent squint
Answer is C. Signs of paralytic squint:
1. Primary deviation.  
2. Secondary deviation.  
3. Restriction of ocular movements. 
4. Compensatory head posture.  
5. False protection.