What Size Glasses Do I Wear

Most important measurement is the Total Width.

What size glasses do i wear. Proportions of the face is longer on length while shorter on the width. The length of the side is usually one of three standards 135 140 or 145mm. The eyelens size is usually first then the bridge size then temple size.

Rectangular faces much like square faces go well with anything but a square or rectangular pair of glasses. A rectangle face shape has a long horizontal jaw line a square chin and broad forehead. For bifocal or progressive prescriptions the lens height must be at least 30 mm.

Once you know the size of your current glasses you have a frame of reference for a new pair of glasses. This measurement does not vary as much as the others. Bridge widths generally average between 16-23mm.

For example in an eyeglass frames where it reads 57- 20-135 it simply relates to an eye size of 57 bridge size of 20 with its temple length of 135. Eyeglass frame lenses vary from 40mm to 60 mm in size. Frame sizing is typically noted on the inside of either temple see illustration below.

135mm 140mm 145mm and 150mm are the most common options. Use the eyelens size to determine the best frame size. You can measure your current glasses size to figure out its dimensions.

The length of the temples in millimeters mm. The first line you have difficulty reading is the lens strength for the correct optical power. Though some very over-sized styles or sunglasses may run larger.