When buying glasses online, it is pretty important to find a suitable frame for yourself. Follow our Frame Measurement Guide to make finding your fit become easier. Let’s see what you need to know to measure your frames.
Reading Your Frame Size
To ensure your frames fitting perfectly, the best point to start with is to measure a pair you already own. The numbers on the inside of its temple are what you're looking for. The frame measurements appear in the following order: Lens Width, Bridge Width, and Temple Length.
These can be displayed in varying orders and in a variety of ways, but don't get frustrated just yet. It's easier to find the information you're looking for than you may think!
How to recognize the numbers you're looking for:
The eye size and bridge size are often located next to one another, sometimes separated by a square box icon (example shown under). The temple size may follow those two sets of numbers either immediately after or with other info in between.
What you can ignore:
If you see a group of capital letters and numbers together, this is generally the frame model number or the frame color/style number(s). In the image below, "5002" is the frame model number.
This is the horizontal width (in millimeters) of each lens.
This is the distance (in millimeters) between your two lenses.
This is the length (in millimeters) from each screw to its temple tip.
FOLLOW THE HINTS TO MEASURE YOUR FRAME
Wearing a too wide frame will make your face look narrower. Similarly, a too narrow frame will also make your face look wider. It is an important value which not spelled out on the Temple. However, you use one more value of Frame Width to filter the frame, the easier to get a fit well glasses.
To find frame width, measure the front of the frame from screw to screw.
Temple length is the measurement in millimeters of the ‘arms' of the frame, marked as Three-digit number. It ranging from 120 to 150. For most of frames, the most common options are 135mm, 140mm, 145mm, and 150mm.
To find temple length, close to the edge of temple to measure one from screw to tip.
Lens Height and Lens Width
Lens height is the distance from the top of a lens to the bottom. Lens Width is the distance from the left side of a lens to the right side.
Please kindly note Progressive-friendly frames are perfect for Progressive (no line) or Bifocal (line) prescriptions lens types. The Lens Height Progressive-friendly frames needs to be at least 28 mm.
If your Prescription Type is Progressive or Bifocal, you need to measure one more value of Lens Height.
To find lens height and width, measure the widest or longest parts of the lens.
Bridge width, the distance between two lenses equals a frame's bridge width.
To find bridge width, measure the distance between the inner edges of each lens.