Where is the "cyl" value located on a contact lens prescription? Is the "cyl" value positive or negative?

Sep 17, 2024 ... ... is OU (oculus uterque) meaning both eyes. The next term on your prescription is Sphere (SPH) and is are measured in diopters (D). This ... Mar 20, 2024 ... Eyesight measuring zero diopters doesn't require any help from glasses or contacts. The farther the diopter is from zero — whether it's positive ... Jan 27, 2025 ... What is SPH in Contact Lenses? SPH, short for sphere, in a contact lens prescription refers to the lens power needed to correct your vision. Apr 5, 2022 ... Codes like “D, CYL, and AXIS” are all over your prescription, but what do they mean? Many people need different levels of vision correction ... Mar 25, 2025 ... What Does Power Mean for Contacts? ... PWR means refractive power, but sometimes it can be abbreviated as SPH (sphere). This is the amount of ... Oct 26, 2022 ... So what do each of these contact lens prescription figures mean? · Base curve (BC) · Diameter (DIA) · Power/Sphere (PWR/SPH). But what do they mean exactly? What do they say about your. ... Keep in mind that your eyeglass prescription is different from your contact lens prescription. Do I need an eye test? Eye conditions · Your prescription explained. Help. Peripheral distortion · Contact lenses storage · Anti-glare glasses · Experiencing ... Colored Contacts & Circle lenses · Toric Colored Contacts & Circle lens ... What Do The Words Sphere, Cylinder and Axis Mean? Not all eyeglass ... PWR (Power)/SPH (Sphere): On a contact lens prescription, you may see the SPH ... What do the numbers on my eye prescription mean? Numbers on an eye ...