It is important to note thatan eyeglass prescription is different than a contact lens prescription. Eyeglass lenses are positioned at a distance from the eyes, while contact lenses rest directly on the eye’s cornea. That difference affects the lens power, among other things, required for your ...
Wait to receive the parts in the mail or for a call to pick up the parts. Unpackage the parts after receipt. Remove the old earpieces from your eyeglasses, if not already removed. Unscrew the entire support arm using your eyeglass kit, if replacing the entire arm, or grasp the end of...
In addition to the information in an eyeglass prescription, a contact lens prescription must specify the base (central) curve of the back surface of the contact lens, the lens diameter, and the specific manufacturer and brand name of the lens. Also, the power of an eyeglass prescription freque...
Both eyes are being prescribed an "add power" of +2.00 D for the correction of presbyopia, and this eyeglass prescription includes a prismatic correction of 0.5 prism diopter in each eye. In the right eye, the prism is base down (BD); in the left eye, it's base up (BU). Now you ...
Eyeglass prescription numbers Generally speaking, your prescription for vision correction will be represented as a positive or negative number, wherethe more your prescription number deviates from zero, the worse your vision is and the more vision correction(stronger prescription)you require. ...
If you've looked closely at the packaging (or sometimes the frame itself), eyeglass frames use three numbers to size. They represent the lens size, the bridge across the nose, and finally, the length of the temples (the hooks that go over your ears). ...
The difference between an eyeglass prescription and a contact lens prescription is how close the lens is to your eyes. Glasses are worn a few millimeters from your eyes (maybe 12-14mm) and contacts are, of course, worn right on your eyes. ...
When I went to get my prescription glasses I was surprised at the number of round eyeglass frames for men that were available. It seems like the John Lennon style of glasses are quite popular these days. I have always found the look rather quirky, and I am not sure if it really suits...
Eyeglass repair kits such as our Feel Good Handy Kit are perfect for tightening screws on your glasses. If you find your glasses very quickly becoming loose again, you may need to replace the screws. See below for more tips on how to tighten glasses. Make minor adjustments Avoid making ...
How to Read Your Eyeglass Prescription When you look at your prescription for eyeglasses, you will see numbers listed under the headings of OS and OD. They are Latin abbreviations: OS (oculus sinister) means the left eye and OD (oculus dexter) means the right eye. Occasionally, you will ...