If you or someone you know has ever had an eye exam, you may have received an eyeglasses prescription if needed. Understanding an eyeglasses prescription can be puzzling for many. The terminology used by eye care professionals might surprise you, but fear not – we're here to help decipher the prescription. Decoding Your Eyeglasses Prescription Abbreviations in a Prescription SPH: Sphere, indicating the lens power for correcting vision. CYL: Cylinder, indicating the level of astigmatism. Axis: Specifies the orientation of…
