To determine which lens size is right for you, know that a small lens width is 50 mm or less, medium is between 51 mm and 54 mm, and large is any lens wider than 55 mm. Your eyes should be centered within your lenses. Eyeglass frames that are too wide can make your eyes appear ...
Over time your glasses can become loose and ill fitting. We show you how to make minor adjustments yourself at home to improve the fit.
Finally, not everyone knows that there are specific measurements on your eyeglasses and sunglasses. Now that you have these glasses measurement guides, you check your frame sizes. Knowing your frame glasses measurement allows you to have your glasses customized. Also, it can be your guide when ...
Measuring here is a two-step process: measure the arm to its “elbow,” then measure from the elbow down to the end closest to your neck. How To Measure The Pupillary Distance This is the distance between your pupils and is used to determine where they fall inside each lens. You will...
Measuring here is a two-step process: measure the arm to its “elbow,” then measure from the elbow down to the end closest to your neck. How To Measure The Pupillary Distance This is the distance between your pupils and is used to determine where they fall inside each lens. You will...
Choose an appropriate recognition confidence threshold to meet your objectives. Determine whether the error distribution is skewed towards specific groups of people. This is likely to be an iterative process with adjustments to sensor position, lighting, and other factors that influence accuracy, as dis...
More than your frames, your lenses will determine how happy you will be with your eyeglasses. Buying eyeglass lenses is not an easy task. In fact, there are so many choices for lenses and coatings, it's easy to be confused about what's worth buying. ...
Figure out what you spend annually on clip-on or magnetic sun shields for your prescription glasses. Determine how much of your life is spent outdoors or driving in the daylight. Check for any discounts offered by local optical shops or online retailers. ...
How can I determine my face shape? Should men consider their skin tone when choosing eyeglass frames? How do I consider my lifestyle when choosing eyeglasses? How important is the size of the eyeglasses? Are there any eyeglasses that suit all face shapes?
The lenses you choose for your spectacles — even more than frames — often will determine how happy you are with your eyewear. And buying spectacle lenses is not an easy task. In fact, in a recent issue,Consumer Reportsmagazine said, "There are so many choices for lenses and coatings, ...