Readers can be both prescription eyeglasses and non-prescription eyeglasses. When it comes to prescription readers, the prescription script written by an eye doctor is required. Prescription readers are always of high quality and more expensive than non-prescription readers. They are customizable to special vision needs and for different powers in each eyes. Non-prescription readers are over-the counter readers. They require no verified prescription from an eye doctor. Because of this, they are termed non-prescription glasses. however, they still have a specific magnification - usually ranging from +0.25 to +6.00 - in each lens, which is called a "power"or "strength". Where it gets confusing is that this means they still technically hold a prescription, but the prescription is set and is the same magnification level for each eye.Simply put, non-prescription reading glasses are glasses that you do not order from an optometrist or ophthalmologist. They can usually be found in retail stores, at the pharmacy, or online.
Exactly, the readers are prescription eyeglasses. However, because the readers are of generic strength, you can buy it conveniently from your eyeglasses store or online eyeglasses store. In this way, the readers are always not with high quality. They are a good choice for being a spare pair in your care. If you need high quality readers, you can get your prescription and customized your readers at store.