Measures spherical and cylinder lens diopters, cylinder axis, prism strength, and base direction for comprehensive optical analysis. Features clear reading scales and intuitive design for high precision and reliable measurement results in optical applications. Simple operation and user-friendly interface ensure convenient use in various professional and clinical settings. Ideal for eyeglass measurement labs, processing factories, sales departments, hospitals, and optical component manufacturers. Durable construction supports consistent performance in demanding environments, enhancing workflow efficiency.