Reading glasses are available in a variety of strengths, more formally known as dioptres. For those who have only slight problems reading text either on paper or even on the computer screen the most likely ideal dioptre for reading glasses is going to be a low one. This may mean the wearer needs only a low strength or introductory strength such as +1.00. Of course the strengths progress from the very low to the high such as +4.00. These higher strengths are ideal for someone who needs a bit more…
