how to read an eye prescription
To most people a prescription is just a. - SPH or SPH. How To Read Glasses Prescription Vision Rx Eyebuydirect Prescription Eyebuydirect Prescription Glasses They are Latin abbreviations. . This is the lens power needed to fix your vision. A higher number regardless of whether there is a plus or minus sign means youll need a stronger prescription. In a typical prescription like the one above youll find these abbreviations on the left side. The number can be written either with a sign or a - sign. Read an eye exam prescription terms and abbreviations. Eye doctors use the abbreviations OD and OS to denote your right and left eyes. OS is short for oculus sinister Latin for left eye. Firstly youll see that your prescription details are divided into two sections R and L. OS is your left eye. It indicates the amount of lens power needed to correct astigmatism measured in diopters. A plus or minus sign in front o...