You could be asked to read an eye measurement chart during your check-up with th...
Confused by your eye prescription? Learn how to read it step-by-step. Decode OD/OS, SPH (nearsightedness/farsightedness), CYL/Axis (astigmatism), ADD (reading power), and PD. Understand diopters and shop for glasses confidently!
Myopia, or nearsightedness, has become a growing global health concern, particul...