Learn more about how to read eyeglass prescriptions here. Vision examinations play an important role in keeping the eyes and eyesight healthy and clear. For the average person, the American ...

Your prescription might also have a column for ... You can learn more about how we ensure our content is accurate and current by reading our editorial policy.

In this article, we look at how to read an eye prescription and what the numbers mean. Positive numbers, such as +1.00, explain how strong a lens needs to be to correct for farsightedness.

Instead of reading out different letters ... When you look at your prescription for eyeglasses, you will see numbers listed under the headings of OS and OD. They are Latin abbreviations: OS ...