Types of Hearing Lose

 Their are four types of Hearing Lose

1) According to Age onset

2) According to Nature

3) According to degree 

4) According to Type 

✅ 1) According to age on set :- 

                     1. Congenital Hearing Lose 

                     2. Acquired Hearing Lose 

                               1. pre lingual H.L

                              2 .post Lingual Hearing Lose

✅ 2) According to Type :- 

                 1.Conductive Hearing Lose 

                 2. Sensory Neural Hearing Lose 

                 3. Mixed Hearing Lose 

✅ 3) According to Degree :-

          1) Acc to good man - 

 0db - 15 db = Normal Hearing sensitivity 

16db - 25 db = Minimal Hearing Lose 

26 db - 40 db = Mld H/L 

41db - 55 db. = Moderate H/L

56 db - 70 db = Moderate sever H/L

71 db - 90 db = sever H/L 

91 db - 120 db. = profound Hearing Lose 

.        2) Acc to WHO :- 

Normal = 0db - 25 db

Mild = 26 db - 40 db

Moderate = 41 db - 55 db 

Moderately Sever =56 db - 70 db 

Sever = 71db - 90 db 

Profound = 91 db -120 db 

✅ 4 ) According to Nature :- 

1) Suddenly Hearing 

2) Progressive Hearing lose