What Size Glasses Do I Need
2 Hold the page approximately 12-14 inches away from your face.
What size glasses do i need. A frame that is too wide will make your eyes look close set while a frame that is too narrow will exaggerate the width of your face. If you look on the inside of your glasses in the majority of cases youll find a series of numbers that indicates your frame size and looks like this. 55 mm will represent the width of the lens.
This information shows you the size of your glasses. The most important dimension the frame widthwill not be printed on the temple arm. Usually the eye size ranges from 40 mm to 60 mm In case you already have an eyeglass frame you can refer to its frame size.
Continue down the chart until you find a line you can read clearly without your glasses on this is the diopter powermagnification you need. Follow our guide below to measure the frame width and ensure your new glasses are the right size for your face. The first number is the lens width in millimeters.
The first number of a frame measurement 51-18-140 is the width of one lens measured in millimeters. 18 mm will represent the width of the bridge. These measurements dont have to be exact but can vary from your existing frame size as follows.
The chart dimensions are exactly 5 inches wide. 140 mm temple arm length. The arms or temples of your glasses are the two pieces that attach to your frames and rest on your ears.
Your eyes should be centered within your lenses. The eye size is typically going to be the most important size for identifying how a pair of sunglasses will look. The first line you have difficulty reading is the lens strength for the correct optical power.