Dyslexia: A specific developmental disability that alters the way the brain processes written material. Because dyslexia is due to a defect in the brain's processing of graphic symbols, it is thought of primarily as a learning disability.yslexia: A specific developmental disability that alters the way the brain processes written material. Because dyslexia is due to a defect in the brain's processing of graphic symbols, it is thought of primarily as a learning disability.
Under certain conditions, medical expenses can be tax deductible. Medically necessary home improvements. The amount of medically necessary home improvements that you can deduct is limited, however, to the extent that such expenditures exceed the amount of the increase in the value of the property affected.
Deductible sales taxes may include sales taxes paid on your home (including mobile and prefabricated), or home building materials if the tax rate was the same as the general sales tax rate. For information on figuring your deduction, see the Instructions for Schedule A (Form 1040).