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...
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...
When reading a prescription for eyeglasses or contact lenses, you might have come across the abbreviations OD vs. OS. Understanding the main difference between OD and OS is essential for anyone using corrective lenses or interested in the details of their eye health. OD and OS indicate which ...
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...
OD vs OS in prescriptions The OD and OS abbreviations are both Latin acronyms that stand for the left and right eyes, 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 ...
OD vs. OS Demystified Now that we’ve clarified which eye is OD and which is OS, and introduced you to other commonly used eye abbreviations and terms, we hope you can decode your prescription with ease. All that’s left now is to find your perfect pair of eyeglasses or contacts and ...
These are simply abbreviations for Latin terms: OD is an abbreviation for “oculus dexter” which is Latin for “right eye.” OS is an abbreviation for “oculus