A few days ago, a two-half-year old girl walked into a clinic with
her parents. She was smiling and playful. Her parents were worried after
she displayed signs of delayed hearing. An oral examination
revealed that she had congenital bilateral deafness. This invisible
condition was the cause of her delayed speech. Thirty out of every 1000
children have mild to severe hearing impairment (30-70 dB loss) that
affects growth and progress of life in infants. One child out of every
1000 suffers from profound deafness. Read more to learn about the causes and effects of hearing impairment.