This PD Ruler for Near Vision Test is a precision optical tool designed to deliver accurate, consistent, and effortless measurements for PD (pupillary distance) evaluation, visual acuity testing, and near-vision assessments. Built with medical-grade clarity, the ruler features dual-scale markings that allow optometrists, ophthalmologists, optical shop owners, students, and eyewear users to easily measure distance between pupils for perfect lens alignment and comfortable eyeglass fitting. Its high-contrast printed calibration ensures the markings stay crisp and readable, providing dependable results during every use. Whether you are checking near vision, performing quick eye examinations, or adjusting eyeglasses, this PD scale offers unmatched convenience with its compact, lightweight, and easy-to-carry structure. The durable plastic build resists bending, warping, and daily wear, ensuring long-term reliability for professional or at-home eye care routines. Perfect for optical dispensing, frame fitting, contact lens evaluation, and DIY eyeglass measurements, this ruler allows users to achieve accurate results without requiring advanced tools or complicated procedures. Clear markings simplify measurement even for beginners, while the slim design makes it ideal for travel, clinical visits, or remote testing setups. Whether you are a student learning optometry, a professional needing a dependable measuring instrument, or an eyewear user who wants precise PD values for ordering glasses online, this PD Ruler delivers the perfect combination of performance, portability, and simplicity. Designed to enhance accuracy in near-vision tasks and ensure proper lens positioning, it serves as an essential tool for visual acuity checks and optical diagnosis. With its multifunctional use, effortless measurement capability, and ergonomic construction, this PD measurement balance scale is a reliable companion for anyone involved in optical work, ensuring clear vision, accurate readings, and a professional testing experience every time.