Cat declawing (also known as onychectomy) has caused quite a bit of controversy. Itâs illegal in many countries and condemned by the Humane Society and the ASPCA. The cost of declawing a cat is not purely monetary. Cat lovers must consider the feelings of their cats before making a decision.
Sometimes presbycusis is a conductive hearing disorder, meaning the loss of sound sensitivity is caused by. abnormalities of the outer ear and/or middle ear. Such abnormalities may include reduced function of the. tympanic membrane (the eardrum) or reduced function of the three tiny bones in the middle ear that.
Like this lesson Share. Presbycusis is something many of us will eventually have to deal with - it is hearing loss that occurs with age. Read through this lesson to learn what causes it, what the symptoms are, and possible treatment options.