Understanding Your Contact Lens Power Prescription When it comes to contact lenses, one of the most crucial factors in ensuring a comfortable and effective fit is understanding your prescription. This includes lenses designed for specific conditions, such as toric lenses for astigmatism. Unlike eyeglasses, which only require a simple SPH (sphere) measurement, a prescription for contact lenses includes additional parameters like BC (base curve), DIA (diameter), CYL (cylinder), and AXIS, each playing a significant role in your eye health and vision clarity. If you’ve ever been confused about these terms, don’t worry — this guide will walk you through everything you need to know about contact lens power and how to read your prescription. contact lenses What is a Contact Lens Prescription? A contact lens prescription is a detailed written…
