When was her deafness first noticed? when was it confirmed?​

Deafness is usually the result of inner ear or nerve damage. It may be caused by a congenital defect, injury, disease, certain medication, exposure to loud noise or age- related wear and tear. Evelyn was seventeen years old when she went to the royal academy of music. Her deafness was first noticed when she was eight years old. But it was confirmed when she was eleven.