What does 1.5 cylinder mean?
Cylinder (CYL) The next number is the "cylinder" measurement. On your prescription, "cylinder" might be abbreviated as "CYL." The cylinder measures the amount of astigmatism in your eye. The number shows how much lens power will be needed to correct astigmatism.Apr 24, 2024
Cylinder (CYL) The next number is the "cylinder" measurement. On your prescription, "cylinder" might be abbreviated as "CYL." The cylinder measures the amount of astigmatism in your eye. The number shows how much lens power will be needed to correct astigmatism.Apr 24, 2024