No, you could buy for yourself. If you are vision, if your reading distance was 33 cm, you simply buy a glasses with + 3.00 diopters D. If your reading distance was 40 cm, to buy a pair of glasses with + 2.5 diopters.
If you're myopia or hyperopia, simply add that your usual requirements of your reading add diopters. Then the result is your reading glasses prescriptions.
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