Plano means zero refractive correction. In simple terms, that part of your prescription does not need distance power.
So, what does plano mean on an eye prescription? It means your eyes do not need correction for nearsightedness or farsightedness in that specific category.
You may be wondering, if that is the case, why is plano still written? It’s because your prescription looks at more than just distance power.
Why Does My Eye Prescription Say Plano?
Man Wearing Glasses
There are a few different reasons why you could need glasses even if you have plano written in your SPH (sphere) column.
For example, you may not need any distance correction, but you could have astigmatism. In that case, the doctor would write ‘plano’ in the SPH section, and they would add the appropriate measurements to correct astigmatism to the CYL (cylinder) and Axis sections.
Some other common reasons to have plano written include:
Only one of your eyes has a refractive error (e.g., nearsightedness, farsightedness)
The glasses you have been prescribed are solely for protection (e.g, blue light, safety, UV protection)
In a bifocal or progressive prescription, “plano” may be in the distance (SPH) field, but a “+ADD” power is present for near vision
Gone are the days when eyeglasses were just seen as mere tools for seeing. Today, anyone can get themselves some eyeglasses for fashion purposes, extra UV protection, or to filter blue light for those who spend most of their days working in front of a computer.
And gone are the days when eyeglasses were seen as unfashionable. Nowadays, we have different frames that suit different people’s face shapes and styles. It definitely makes wearing eyeglasses more comfortable and fun!
What Real Users Say About Plano Glasses
If you’re confused about plano on your prescription, you’re not alone. Over on Reddit, a user named Spookyxsam had some questions about what exactly plano means. They wrote:
“can someone explain in dumb terms how plano affects glasses
I swear I’ve searched this sub so many times, I know it means 0 but how does this affect prescriptions?”
Spookyxsam shared their prescription, which had plano written in the ‘SPH’ section for the right lens. However, Spookyxsam did have measurements in the CYL and Axis columns. Another user responded and explained:
“You have no distance correction in your right eye, you have some astigmatism in both eyes and a bit of distance correction in your left eye. The plano just means clear lens without prescription.“
Spookyxsam asked if that meant the lenses correct astigmatism, and another user further explained:
“They are. When light passes through your eyes, it doesn’t come to a point focus. It focuses in a line. The plano in this case means that one of the endpoints of that line is right where we want it to be on your retina, and we don’t need any power to fix that part of your vision. The other end of the line is somewhere in front of your retina, so we’ll use a lens with minus power in that part of the lens (specified by the axis, in your case 90 degrees off from the axis) to move that part of the light onto the same spot of your retina and correct your vision.”
This just goes to show how confusing it can be to see ‘plano’ written in your eye prescription.
What Does 0.00 Mean on an Eye Prescription?
Woman Gets an Eye Exam
You could also see 0.00 written in the SPH column on your eye prescription, which could be confusing as well.
But don’t fret. This just means the same thing as plano; there’s no correction needed in that eye.
Are Plano Glasses Safe?
Fitting for Glasses
By this time, you might already be reassured enough. However, anxiety looms. You might still be wondering, are plano glasses safe?
And the answer is yes, plano glasses are generally safe! There are typically no adverse effects when you use these glasses for:
General protection (e.g., from dust, debris)
Blue light protection when using the computer or other digital devices
Fashion! (no fashion police around here)
If your eye prescription says plano, it means no correction at all. So, if there are no corrections to your eyes at all, then you shouldn’t have to worry about eye strain!
However, if you’re experiencing blurry vision, headaches, or eye strain, please consult an eye care professional for a more accurate prescription.
Always remember that wearing plano glasses, or any prescription eyeglasses for that matter, should help you and make you feel more comfortable, and not the other way around. Always consult your eye doctor if you have any questions about your prescription.
TL;DR
Plano on an eye prescription means zero distance correction is needed.
0.00 and plano mean the same thing. No nearsighted or farsighted power required.
Your prescription may still include astigmatism correction under CYL even if it says plano.
Plano glasses are safe and won’t damage your eyes.
People wear plano lenses for protection, blue light filtering, fashion, or safety.
If you experience headaches, blurry vision, or eye strain, check in with an eye care professional.
I’m a writer and editor with a passion for writing about frames, lenses, and all things eyewear. I have a Bachelor’s degree in Computer Science. My work has appeared in major local news outlets, Tropical House Garden Magazine, Postize, Longmont Leader, and Introvert, Dear. I’ve also served as News Editor for Greenbot and contributed to nonprofit initiatives such as Verité. Outside of work, you’ll likely find me creating art and café-hopping.
