Occupational Hearing Loss, Noise Induced Hearing Loss, Hearing Handicaps
Hearing Handicap and Presbycusis App

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 Hearing Impairment Calculator - AAO 1979

500 Hz

1000 Hz

2000 Hz

3000 Hz
bullet All frequencies must  be filled in with values  in dB. Right Ear  

bullet If hearing threshold is greater than 100 dB enter 100 dB. Left Ear
bullet If hearing threshold is less than zero dB  enter 0 dB.

Calculate Hearing Impairment

bullet Patient's age must be greater than 18 yrs to calculate presbycusis.

Enter Patient's Age at time of Audiogram:





Directions:  Age is entered in years.  Two decimal points can be entered.  To calculate age from the patient's birth date to the audiogram's test date, use the "Find Years From Dates" screen button. 


Copyright:  Kevin Kavanagh  2001,  All rights reserved          Search Website