Now that you understand those mysterious letters and numbers, you know how to read a glasses prescription! Knowing what they mean will also help you more easily discuss your prescription with your eye care professional. Shop eyeglassesShop prescription sunglasses...
If you know what to look for, you can make sense of the numbers and abbreviations on your prescription chart. OD vs. OS: One for each eye Eye doctors use the abbreviations “OD” and “OS” to denote your right and left eyes. Your eye doctor may give you a paper prescription that l...
OD and OS The terms “OD” and “OS” refer to the Latin abbreviations “oculus dexter” and “oculus sinister,” respectively, which translate to “right eye” and “left eye.” These notations specify the prescription for each eye, considering any differences in visual correction needed bet...
There are many abbreviations used in eye care, and sometimes it can be difficult to interpret what they all mean. Another abbreviation you may see on your prescription is OS. This is the abbreviation forOcular Sinisterand is Latin for “left eye.” In computer terminology, OS can also refer...
If this is your first time with a child in glasses, you may not know where to start, let alone how to read a prescription for glasses. It may feel intimidating, but don't worry! It's actually easier than you might think to read a prescription. Follow our
Your eyeglasses prescription is written in a grid using a combination of numbers and abbreviations, many derived from Latin terms pertaining to the eyes. OD = Oculus Dexter, which means “right eye.” OS = Oculus Sinister, which means “left eye.” ...
What Are the Terms in an Eye Prescription? When you get your prescription, you will see the terms OD and OS. They refer to the oculus dexter, the Latin term for the right eye, and the oculus sinister, the Latin term for the left eye. Your prescription might also make reference to OU...
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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...
The letters in your prescription OS – These are abbreviations of Latin terms. 'Oculus sinister' (OS) is your left eye. (Boots uses L rather than OS) OD – These are abbreviations of Latin terms. 'Oculus dexter' (OD) is your right eye. (Boots uses R rather than OD) ...