
Measuring Your Interpupillary Distance (IPD): A Comprehensive Guide
Have you ever wondered what those numbers on your eyeglass prescription mean? You’ve probably encountered terms like “sphere,” “cylinder,” and “axis,” which relate to your refractive error. But one crucial measurement that often gets overlooked, yet is critical for comfortable and effective vision correction, is your interpupillary distance (IPD). This article will delve deep into what IPD is, why it matters, and provide you with detailed, step-by-step instructions on how […]