Can anyone help me understand my eye prescription?!
Question: http://i11.photobucket.com/albums/a162/o...
This is my eye prescription. I'm trying to understand what the sph stands for in the OS-CYL column. Why isn't it a number? I'm ordering glasses from ZenniOptical.com and I don't know what to put.
Answers: http://i11.photobucket.com/albums/a162/o...
This is my eye prescription. I'm trying to understand what the sph stands for in the OS-CYL column. Why isn't it a number? I'm ordering glasses from ZenniOptical.com and I don't know what to put.
"If there is no astigmatism, we generally write the letters DS or SPH after the first number to let the optician know that we didn