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Right Eye (OD) & Left Eye (OS)
OD stands for "oculus dexter" which is Latin for "right eye". OS stands for "oculus sinister" which is Latin for "left eye."
Sphere (SPH) aka Power (PWR)
If you’re nearsighted you’ll have a minus (-) before the number, and if you’re farsighted you’ll have a plus (+) sign.
Cylinder (CYL)
This is only for people with astigmatism. A nearsighted astigmatism will have a minus (-) before the number, and a farsighted astigmatism will have a plus (+) sign.
Axis
This is only for people with astigmatism. The axis is a number between 0 and 180 and determines the orientation of the Cylinder (CYL).
We need your Pupillary Distance (PD) to ensure that your glasses are customized to fit you perfectly. PD is the distance between the centers of each eye. Once we get your PD we can finish your glasses!
Kid PD Range: 35-65 mm.
Adult PD Range: 50-80 mm.
If your PD has 2 numbers, it is typically written 22/20 on your prescription. The first number is the right eye (OD), and the second is the left eye (OS).
1) ONLINE PD TOOL: Virtually measure your PD using our online tool! Click the "Measure My PD" button and follow the on screen instructions. Then enter your PD number in the form.
2) EMAIL A PHOTO: If your little squirmy wormy can't sit still long enough for the online tool (we totally get it!), you can just take a picture at home and we'll measure the PD for you. Follow these directions here.
Sometimes it can be hard with little ones, we totally get it! Take a picture following these directions and we'll measure the PD for you:

Our Malibu Sands collection is made for fun in the beach club sun. Our round polarized sunglasses collection is made in Italy, and assembled by hand in San Diego, California.
All Roshambo frames are BPA, phthalate, lead & latex free, and small parts tested as safe for babies. Plus, they are virtually unbreakable...we offer a full damage replacement guarantee if they get broken!
Safety is our #1 priority - especially when it comes to children! All of our lenses offer UV400 protection to block 100% of UVA/B rays, and are also polarized to help reduce glare and eye strain. Nothing but the best for your family!
Premium protection for babies, toddlers & big kids.
Made in Italy and hand-assembled in San Diego, our Malibu Sands sunglasses are safe, durable, and built for real life with little ones.
Why Moms Love Them
100% UVA/B/C protection + polarization
Soft, flexible, nearly unbreakable frames
BPA, lead, phthalate & latex free
Shatter-resistant lenses
Paint-free & baby-safe
Built for Real Kids
Lightweight, comfy, float in water, and tough enough to survive drops, twists, and toddler testing!
If they break, we replace them free (just pay shipping).
We offer three sizes to match your child’s age and growth:
Baby: 0–2 years
Soft, gentle, flexible frames perfect for infants and young toddlers. Add our strap kit & ear adjusters for secure, stay-on fit.
Toddler: 2–4 years
Our most popular size—designed to grow with your busy explorer. Great for toddlers who are becoming more active and independent.
Kids: 5+ years
A roomier, more “grown-up” fit for preschoolers and big kids—durable enough for school, sports, and outdoor adventures.
If your child is between sizes or you’re not sure, check our full size chart or add an ear adjuster & strap kit for the perfect fit.