Calculation of Hearing Handicap
and Presbycusis
Frequency
250
500
1000
2000
3000
4000
6000
8000
Right Ear (dB)
10
15
20
25
45
65
50
70
Left Ear (dB)
10
20
20
25
35
60
45
50
http://www.occupationalhearingloss.com/master_calculator.htm
Frequency
250
500
1000
2000
3000
4000
6000
8000
Right Ear (dB)
15
20
25
35
60
80
70
90
Left Ear (dB)
15
25
25
35
50
75
70
80
Pre-employment:  30 yr old white male
Post-employment:  65 yr old white male
Compare the post-employment audiogram with the pre-employment audiogram.  Is the sensorineural loss in excess of what would be normally predicted by presbycusis?