It is impossible for Reading glasses without prescription. Reading glasses are some what Magnifying glasses specialyy made for who spend a great deal of time and have problem concentrating on material close-up. Most reading eyeglasses are made to a particular prescription,according to degree of myopia or hyperopia combined with astigmatism.
Reading glasses over-the-counter can help those people who have slightly hyperopia and presbyopia focus on near objects. So if your prescription is not strong, you can get reading glasses without a prescription over-the-counter.