No. You can't use reading glasses to watch TV. reading glasses are used to magnify at a close distance. So people with presbyopia can use reading eyeglasses to do near work, such as reading and sewing. While watching TV will need glasses for distance, so you'd better go to an eye doctor to have an eye exam. The doctor will give you a prescription glasses which will help you see clearly on the TV screen.
NO,you can't use reading glasses to watch TV. Reading glasses are prescribed to correct near vision(the distance is about 10 inches). You need to get a separate pair of prescription glasses for distant view.