Expert Eye Advice

Reading Glasses Strength by Age: A +1.00 to +3.50 Chart TL;DR Reading glasses strength usually starts around +1.00 in your early 40s and may gradually move toward +2.50, +3.00, or even +3.50 as near vision changes with age. An age-based chart is a helpful starting point, but the right strength also depends on your reading distance, comfort, [...]