How to Determine the Magnification Needed for Reading Glasses: The Ultimate Guide
To determine the magnification for reading glasses, first, measure your reading distance in inches. Divide 40 by this distance to find the diopter strength needed. Common strengths range from +0.75 to +2.50. Use a power lower by 0.25 for computer glasses. Age-related changes can affect needed strength. Consult an eye care professional for advice. Third, … Read more