Shortly after receiving him I began to notice that my hearing was just not what it had been and that my balance was not either . As it turned out , I eventually received hearing aids . At the same time I began losing all my light perception from glaucoma . Even so , I was determined to stay active .
According to the above context, choose the best option to answer the following question.
Question: Why is the narrator having some mobility problems ?
Options:
- Their ears are going .
 - Their ankles are going .
 - Their legs are going .
 - None of the above choices .


Their ears are going .