Do reading glasses have different degree?

[Parsonsfield]

do they have different degree and its use may worsen the problem? -what is the distance in the eyes of a book that a person should see the words? can you buy these glasses, without a prescription, in the pharmacy or optical? a GP can prescribe them? thank you

[Parthenon]

Yes, reading glasses can be made in different degree prescription lenses according to users vision requirements. If you want eyeglasses with prescription lenses. You can get it from online optical shop.