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% Essilor Fit™ Technology - Personalized Measurements For Enhanced Visual Comfort
Essilor Fit™ Technology – Personalized Measurements For Enhanced Visual Comfort
May 19, 2021

How to get the sizes from existing eyeglass?

Getting the size measurements from the existing frame is the quickest and convenient method of acknowledging frame dimensions that helps in ordering a new pair with an ideal fitting.

The frame size of eyeglasses and sunglasses uses the three key measurements:

  • Eye Size: the width of the frame around the lens
  • Bridge Width: the width of the frame across your nose
  • Temple Length: the length of the arm of the glasses. 
% How to get the sizes from existing eyeglass?

Bear in mind that the eyeglass sizes will be different from your sunglasses, as sunglasses generally tend to be larger, and most sunglasses have a curvature. So don’t copy your sunglass sizes when you are buying an eyeglass. 

How to find your sizes from the existing glasses? 

If you have your existing glasses with you, it’s pretty easy to get an idea about your required eyeglass sizes. All eyeglass frames have their sizes stamped on the frame itself. Although different manufacturers use different places to stamp the information, the most commonplace is one of the temples (legs ), as in the below image. 

If you cannot find the information there, you can check on the bridge or sometimes on the fixed nose pads. 

What to look for?

The eye size and bridge size are often located next to one another, separated by a square box icon, in most cases. The temple size may immediately follow those two sets of numbers or have some other info in between. 

The Eye-Size and Bridge Size are two-digit numbers, and temple( leg) length is a three-digit number. 

% How to get the sizes from existing eyeglass?

In the above example, the eye size is 50 (50mm ), Bridge-Size is 18 (18mm) and Temple Length is 145 (145mm). From this example, you can easily figure out that the largest number is the temple (aka arm or leg) length, the second largest is the Eye-Size (Lens Length) and the smallest is the Bridge size.

You have a leeway of 2-3 mm on each measurement, except for the bridge. Stick to a leeway of just 1-2 mm on the bridge. 

Eye Size

The Eye-Size is the most important number to pay attention to and is the larger number between the two two-digit numbers. This measurement denotes the length of ONE of both lenses in mm.

Depending on the style of frames you choose, you can go up or down by 1-3 and still find a decent fit.

Bridge Size

The bridge size is the gap above your nose between the lenses, or in other words, it’s the length of the connecting bridge between the two eyeglass lenses, in mm. Most customers and opticians overlook this part, but the bridge size is as crucial as eye size, if not more. 

Pay attention if you have a large, prominent nose or a small, Asian nose- In both cases, if the bridge size is not ideal, the glass fit won’t be very comfortable. 

Temple Length 

The length of the temple( side leg) usually falls between 130 and 150. The most common sizes are 135, 140 and 145. The side should be long enough to sit comfortably over your ears. 

Make sure the temple bend falls exactly around your ears. If you find that the curve on the temple happens before it reaches the ear, you are using a shorter temple size. Go for an eyeglass with a longer temple. Do the opposite if the temple is way longer behind your ears. 

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