Precision Optometry Instrument: The CP-9 PH PD Pupil Height Distance Meter is a parametrically designed optical instrument that is a must-have for optometrists and eye care professionals. This glasses ruler is a tool that is used to measure the distance between the eyes of the human eye and the height of the pupil to the bottom of the lens. The instrument's precise optical structure ensures a clear optical path, leading to accurate measurements every time. The simplicity of its operation and the speed of its measurement capabilities an indispensable piece of equipment in of optometry. Versatile Application Scenarios: The CP-9 PH PD Pupilometer is not only useful in professional settings but also in personal use. Whether you're an optometrist, an eye care specialist, or someone who is interested in understanding their eye health better, this device is designed to meet your needs. It is ideal for transcortical measurements, making it a valuable addition to any eye care practice. User-Friendly Design and Convenience: The CP-9 PH PD Pupilometer is not only robust in performance but also user-friendly in design. Its construction at just 0.2 kg ensures that it can be easily handled during measurements, while the compact packing size makes it convenient for storage and transportation. The device's design is such that it can be easily integrated into any optometry setting, whether it's a small private practice or a large eye care facility. With its ease of use and accurate measurements, the CP-9 PH PD Pupilometer is a testament to the importance of precision in optometry. Summary: In the process of optometry, it is used to measure the distance between the eyes of the human eye and the height of the pupil to the bottom of the lens. The operation is simple and the measurement speed is fast. Net Weight: at just 0.2 kg Optical Structure: Precise optical path for accurate measurements Measurement Speed: Fast and efficient operation Color:White Material:plastic Package Contents: 1 * Pupil Height Distance Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.