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 ...
The Prescription Release Rule is intended to allow the "portability" of your eyeglass prescription, giving you the freedom to buy glasses from any vendor of your choice. Your eye doctor must give you a copy of the prescriptionwhether or not you ask for it. Eye doctors may not condition the...
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 ...
Understanding your eyeglass prescription is easy! Learn how to read it with Zenni Optical's examples of common types.
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. ...
To find out how much astigmatism your eyes have, you’ll need to look at the cylinder power (CYL). This is the amount of lens power for astigmatism. The axis value is then used to guide the placement of the cylindrical power in the eyeglass lenses. The cylinder power may also have a...
How to Read a Contact Lens Prescription After your contact lens exam (or fitting), you’ll receive a prescription similar to an eyeglass prescription, but with a few additional columns that are specific to contact lenses. Identify which eye you are reading a prescription for. The right eye ...
Before you place your order, it's important to learn how to read your glasses prescription first. Get updated with this quick tutorial video.
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 ...
How to Replace Eyeglass Earpieces How to Remove the Side Shields of Prescription Safety Glasses How to Replace the Grip on a Graphite Golf Shaft Earpieces on eyeglasses are the ends of the temple piece/support arms that rest on top of and/or behind the ears. The term “earpiece” can ...