Confused by your optician’s prescription? Learn what OD, SPH, CYL, Axis, ADD & PD mean in this easy guide.
What Are Varifocal Glasses?
Discover how Varifocals work, their benefits, and how to reglaze your frames with new varifocal lenses at My Glasses Reglaze.
1.67 vs 1.74 High Index Lenses: Which is Right for You?
Compare 1.67 and 1.74 high index lenses to find out which is right for your prescription. Learn about thickness, weight, cost, and frame compatibility.