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Here’s a quick summary: Which numbers are my right eye and which are my left eye on my prescription? In a typical prescription, two acronyms—one for each eye—are listed: O.D. This is short for oculus dexter, and is your right eye. O.S. This is short for oculus sinister, and is your left eye. What does “sphere (SPH)” mean on my prescription?
Learn how to read and understand the letters, numbers and symbols on your eyeglasses prescription. Discover why contact lens prescriptions differ from eyeglass prescriptions, and what all those numbers mean.
The abbreviations and numbers on your eyeglass prescription describe the type and strength of lenses you need, and the degree of nearsightedness, farsightedness, or astigmatism in each of...
Your Glasses Prescription, Explained. Whether it’s on paper or digital, your eye prescription probably looks like a small grid or chart with rows, columns, and cells. Confusingly, the chart incorporates a mix of letter abbreviations, positive and/or negative numbers, and full words. What do they all mean?
Demystify your glasses prescription with our simple guide. Understand the abbreviations and numbers to decode your vision correction needs.
Whether you’re new to glasses or contact lenses, or a regular wearer, it can be confusing to understand how to read an optical prescription. Here’s our guide to help you become an expert on how to read eye test results.
Your vision is unique, and being able to understand your eyeglass prescription is the key to experiencing clear and comfortable eyesight. This guide unveils the meaning behind those cryptic numbers and symbols to help make sense of your personalized prescription.
Let's look at the eye conditions that require vision correction and what you can learn when you look at your eye prescription. Why Would I Need Prescription Glasses or Contacts? Prescription eyewear is most used to correct refractive errors, which can impact your vision.
The first step to understanding your spectacle prescription is knowing what "OD" and OS" mean. They are abbreviations for oculus dexter and oculus sinister, which are Latin terms for right eye and left eye. Your spectacle prescription also may have a column labeled "OU."
Understanding your eyeglass prescription is easy! Learn how to read it with Zenni Optical's examples of common types.