How To Understand Computer Optometry Prescription
When getting computer optometry prescription, you may feel confused about data on it. Now we will explain briefly to let you understand it.
1. Explanation about Abbreviations
R/OD: Right eyes
L/OS: Left eyes
S: Sphere (degree of myopia or hyperopia)
C: Cylinder (degree of astigmatism)
A: Axis (direction of astigmatism axis)
VA: Vision
PD: pupil distance (distance between two points of pupil center of left and right eyes)
2. Example and Explanation of Computer Optometry Prescription
According to this prescription, it belongs to simple myopia in both eyes. There is no astigmatism (If astigmatism is less than 75 degrees, we can ignore it). But there are some errors in computer optometry prescription, it can only be used as a reference, and the accurate data need to be verified by trial lens.