​メガネフレームサイズについて

Generally, the size notation of the spectacle frame is mainly written on the inside of either the left or right string.
For example, if there is a description of "58 □ 15-140", it means that the lens width: 53mm □ the place that hits the middle nose: 18mm-the total length of the string is 135mm.

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The size of the eyeglass frame
Since the width of one lens is 58 mm, 58 mm x 2 = 116 mm + nose width 15 mm = 131 mm
The above glasses frame size is 131 mm in total length .
Estimated eyeglass frame size
Small eyeglass frame
Frame full-length 0㎜-115㎜ degree
Those who like small glasses
Those who are looking for children's glasses, etc.

① size

Normal size eyeglass frame
Frame total length 116mm-125mm
A size that can be used by both adult men and women.
It will be the size of general glasses.

② size

Large eyeglass frame
Frame total length of about 126 mm or more
Those who are looking for a large eyeglass frame

③ size

Due to the design of the spectacle frame, the width of the outside of the left and right lenses and the part where the strings are attached is added to the above size.
If you choose a pair of glasses that are about the same width as your face or slightly smaller, you will get well-balanced glasses.

How to measure face width

If you want to measure your own face width, apply a ruler while looking in the mirror and measure the width around the left and right temples.
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For men, it is said to be 16.5 cm on average. If you are smaller than this, choose glasses size (2) , and if you are average or above average, choose glasses size (3), and you will get well-balanced glasses.

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For women, it is said to be 15 cm on average. If you are smaller than this, choose glasses size ① or ② , and if you are average or above average, choose glasses size ② or ③, and you will get well-balanced glasses.