Frame Measurements
Eyewear is measured in millimetres, and the three numbers printed inside the temple arm are the ones that matter. The quickest way to size a new frame is to compare them with a frame you already wear well.
How to read frame measurements
| Measurement | Where to find it | What it tells you |
|---|---|---|
| Lens width | First of the three numbers | How wide a single lens is. The biggest single influence on how large a frame looks on you. |
| Bridge width | Second number | The gap between the lenses. Too wide and the frame slides down; too narrow and it sits high on the nose. |
| Temple length | Third number | The length of the arm from hinge to tip, including the bend behind the ear. |
DITA also groups frames by fit — narrow, medium and wide. If you know which suits you, search for it directly. The exact measurements for each frame are listed on dita.com.