03/23/2026
Ever looked at your eyeglass prescription and felt like you were trying to read a secret code? Let's decode it together!
Understanding the numbers and abbreviations on your prescription is the first step to being an empowered patient. While it looks complex, it's actually quite simple when you know what to look for.
In our new, comprehensive guide, our doctors turn the medical jargon into plain English.
We explain:
๐น OD vs. OS: What's the difference?
๐น SPH, CYL & AXIS: What these core numbers mean for your vision.
๐น ADD Power: The key to your reading glasses or progressives.
๐น Why you can't use your glasses prescription for contact lenses.
Ready to become an expert on your own eyes? Read the full guide on our blog today!
Link: https://www.berkeleyeye.com/blog/understanding-your-eyeglasses-prescription
Confused by OD, OS, SPH, CYL, and PD? Our eye doctors break down how to read your eyeglass prescription โ turning medical shorthand into simple, clear language.