The prescription hearing aid is a tax deductable medical expense.

"You may deduct only the amount by which your total medical care expenses for the year exceed 7.5% of your adjusted gross income." --Topic 502 - Medical and Dental Expenses

Incorrect conjugation of verbs also makes baby Jesus cry.

I'd be interested in what sort of arrangement makes your time a charitable contribution. According to IRS Publication 526, "Charitable Contributions" (http://www.irs.gov/publications/p526/ar02.html):

Question:
I do volunteer work 6 hours a week in the office of a qualified organization. The receptionist is paid $10 an hour to do the same work I do. Can I deduct $60 a week for my time?

Answer:
No, you cannot deduct the value of your time or services.