Kids Glasses Size Guide
Start with the printed frame size, then check lens width, bridge width, and temple length together.
Ages 1–4
Toddlers
40–43 mmTiny explorers usually need smaller lenses with a small bridge and short temple length.
Ages 5–8
Little Kids
43–48 mmLittle learners often fit small-to-medium kids frames; bridge width helps decide the final age badge.
Ages 9–12
Big Kids
45–52 mmGrowing adventurers may fit mid-size frames, especially when the bridge or temple length is larger.
Ages 13+
Teens
47–54+ mmTeens usually need larger youth frames; larger bridges and sports styles often move here sooner.
Where to Find Your Size
Look inside the temple arm (the part that goes over the ear) for a set of numbers like this:
How to Measure
Find the numbers printed on the inside of the temple arm (the part that hooks over the ear).
Use the first two numbers together: lens width and bridge width. Lens width sets the size, while bridge width can shift the fit older or younger.
For prescription-ready optical frames, frame PD is about lens width + bridge width. A good PD fit is usually from 10 mm below that number up to that number.
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