Common age for otosclerosis is: (A) 5-10 years, (B) 10-20 years, (C) 20-30 years, (D) 30-45 years
Answer is C. Hearing loss usually stas between 20 to 30 years of age and is rare before 10 and after 40 years. (Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 95)