OD and OS are abbreviations for Latin terms for the eyes—OD means “right eye,” and OS means “left eye.” But that’s not the whole story! If you came here looking for the meaning of OD and OS, then odds are you’ve taken a look at your eye prescription and were a bit ...
Children should have their first eye exam when they are around six months old, and then another just before they start school. This ensures that they can see clearly in class; poor vision can seriously impact a child’s learning Now that you understand those mysterious letters and numbers, yo...
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...
respectively:OS left eye (oculus sinister) and OD right eye (oculus dextrus). There are times when you'll encounter the symbol OU, which denotes anything involving both eyes. For both of these abbreviations, you will find numbers listed in the prescription to indicate the strength of...
SPH表示球镜度数，CYL表示散光度数，AX表示散光轴位，OD是代表右眼，OS是代表左眼。验光专业术语说明:瞳距（PD）：左右眼瞳孔中心两点间的水平距离，一般验光单上的PD无特殊备注即表示双眼看远瞳距 。轴位（AXIS）：散光的方向。 注意：有散光度数才有散光轴位；无度数，无轴位。矫正视力（VA）：指配戴...
These are Latin abbreviations: OS (oculus sinister) means left eye and OD (oculus dextrus) means right eye. Sometimes you will see a notation for OU, which means both eyes are involved. Did you OD over there meaning? OD means overdose, and it usually refers to illegal drugs. What is ...
When reading a prescription for eyeglasses or contact lenses, you might have come across the abbreviations OD vs. OS. Understanding the main difference