If you wear glasses or contact lenses, you’ve seen diopter numbers before! They’re the pluses and minuses on prescriptions, such as -2.00 or +1.50.
Most people know that bigger numbers mean thicker or stronger glasses. But you may still be asking, what is a diopter exactly? And what’s it measuring?
Once you fully understand how this all works, your prescription will make a lot more sense. Let’s get into it!
CYL, SPH, Axis… what are they?
If you’re staring at the numbers and letters on your lens prescription, you might be curious. Maybe you want to know whether your prescription has changed or if it was filled correctly. You could also have questions about what all those abbreviations are.
So, what is CYL in eye prescription? Let’s get more into what CYL and those other abbreviations mean!
Does your eye prescription look like a confusing blur of letters? If you’ve just gotten your first prescription, there are probably lots of questions running through your mind.
What are all those acronyms? What are those numbers? Why are there pluses and minuses next to the numbers?
If you’re feeling lost, I’m here to help. I’ll walk you through how to read your eye prescription so you can better understand your eyesight.
Does your new eye prescription look like jibberish to you? Are all those acronyms causing you to scratch your head in confusion?
OD and OS? SPH and CYL? What does it all mean?
If you’re struggling to decode your prescription, I’ve got you. Let’s go through what OD vs. OS means. We’ll also discuss some other acronyms you may see on your prescription.
Are you looking at your prescription and wondering what the number labeled “Axis” means? You’re not alone. It’s something that confuses a lot of people, especially if they’re new to contacts or glasses.
So, what is axis on an eye prescription? The good news is that it’s actually pretty easy to understand.
Once you know what axis means, it becomes much easier to read your prescription and get the right lenses for your eyes.
