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 ...
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 ...
To learn more about each term, refer to the glossary below, where you will find each of the abbreviations and numbers of the glasses prescription explained. Eyeglass prescription numbers Generally speaking, your prescription for vision correction will be represented as a positive or negative number, ...
An eye doctor will determine the best prescription lenses and glasses type for you depending on the results of your comprehensive eye exam. Once you know these requirements, you can start thinking about aesthetics.First Things First You can’t choose glasses until you have a prescription—our exp...
To help you determine what all this means, here are common eye prescription abbreviations and what they mean: OS (Oculus Sinister): Refers to your right eye. OD (Oculus Dextrus): Refers to your left eye. OU (Oculus Uterque): Refers to both your eyes. D (Diopter): This is represented...
Still not sure what lenses you need? In a comprehensive eye exam, your eye doctor will make sure your eyes are healthy and determine your current eyeglasses prescription. You’ll also have a chance to speak with an eye care provider about what lenses best suit your vision needs. ...
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...
How to adjust your glasses at home In just a few simple steps, you can adjust your pair of crooked glasses to stay functional, as well as ensuring they feel the most comfortable. Deciding on what adjustments to make Before you adjust your wonky glasses, you need to determine what the prob...
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 ...