Bancroft

If you want to buy a new pair of eyeglasses but don't know how to measure the width of your frames, you can try this way:

If you wear your glasses all the time and it's the right size, you can measure from screw to screw and this value will be your ideal frame width.

However, keep in mind that all eyeglasses are different, so this is only a general reference value, the exact reference value should be based on the actual situation.

Other useful measurements

Temple (arm) length

The temples should remain level against the side of your head and rest comfortably against your ears.

Bridge width

The bridge width is between the eyes above the nose. The ideal length of the nasal spacing is shorter for nearsighted eyes, while the ideal length of the nasal spacing is longer for farsighted eyes.