aging eyes anti glare reading lenses bifocal vs progressive readers computer vision syndrome diabetic vision changes digital eye strain diopter chart early signs you need new glasses eye exam frequency find your magnification how often to update prescript How Often Should You Update Your Reader Strength? Why Your Prescription Changes: Nature, Health & Lifestyle Your vision isn’t static — it evolves. From childhood growth to hormonal shifts to daily screen habits, each life stage leaves its mark on how you… Team Debby 2 months ago