Issues with hearing do not have to arise suddenly. It is possible that one would realize their ability to distinguish speech has been muddled up, or they need to turn the volume of the television up more than before. These are usually gradual in nature, hence easy to overlook. Amala Institute of Medical Sciences performs hearing evaluations, such as pure tone audiometry and tympanomet... https://www.amalaims.org/hospital/general-speciality/department/ENT