How To Know What Strength Reading Glasses To Buy
The strength of all reading glasses is measured in dioptre with units increasing by 025 dioptre depending on the power of the lens.
How to know what strength reading glasses to buy. When it comes to reading powers the lower the number the less magnification there is in the lens. For most people new to needing readers. Your prescription may or may not have any numbers in the CYLINDER AXIS and PRISM columns.
All reading glasses will have signs or stickers indicating their power. In most cases theyll range from 1 to 4 diopter in increments of 25. But if you cant visit the store because of some reason you can just send us a request and well come to you for an eye test at your home done at minimal rates.
Start reading the chart below from top to bottom. -Traditional reading distance is 14-16 inches. Start by trying on reading glasses in the power that your test results yielded.
S Reading Glasses Strength Test also known as a diopter test. If the print is larger than specified youre going to end up getting reading glasses that are of no use. Narrow it down to two magnifications both of which you see well with and always choose the lower of the two powers.
Reading glasses typically start with a near vision or NV a strength of 10 and progress in strength by25 diopters. Try the lowest power 1 first. In general people need about 075 less lens power for the computer than for normal reading says Lindsay Berry an optometrist with Neuro-Vision Associates of North Texas in Plano.
12-14 inches away 1. Reading Glasses Strength TestReading Glasses Strength Test To determine the proper strength for your reading glasses follow the steps below. For example if you wear a 225D for reading you will probably need about a 150D for computer.