Size Guide Of Eyeglasses

Size Introduction

Take 5521-147 from the following picture for example. From left to right are: Lens width, Bridge width, Temple Length. Numbers are in millimeters.

Size Guide

Measurement Guide

Lens height

Frame width:
Measure the frame width from left to right at the widest point of the frame. Some shapes have wider frames than regular shapes.

Temple (arm) length

Temple (arm) length
Measure the temple from the edge to its temple tip, including the bend that sits on your ear.

Bridge width

Bridge width
Measure the shortest distance between your two lenses.

Lens width

Lens width
Measure the horizontal width of each lens at its widest point.

Screw width
We name differently for this measurement to distinguish from frame width. This is a measurement from one center of the arm screw to the other.

Lens height
We name differently for this measurement to distinguish from frame width. This is a measurement from one center of the arm screw to the other.

Measure the vertical height of each lens at its widest point.

How VisoOne define a frame size

Let's still take the number 5521-147 for example. Take the number of lens width plus half bridge width for judgement.
Substitute the formula: 55+21/2=64, Size L according to the following range:

mm

inch

XS

less than 57mm

less than 2.24in

S

57mm ≤ S < 60mm

2.24in ≤ S < 2.36in

M

60mm ≤ M ≤ 63mm

2.36in ≤ M ≤ 2.48in

L

63mm < L ≤ 66mm

2.48in < L ≤ 2.60in

XL

more than 66mm

more than 2.60in

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