Strabismus detection prism, also known as stepped prism, string mirror. It is used in hospitals and optometry centers to detect the degree of strabismus of the eyes, and provides a basis for surgery and vision training. Specification: Product Name: Optical Ophthalmic Prism Set Product material: optical glass aluminum alloy outer box Product Features: Used for quantitative examination and strabismus vision training. Prism Power: Horizontal prism row: 1?, 2?, 4?, 6?, 8?, 10?, 12?, 14?, 16?, 18?, 20?, 25?, 30?, 35?, 40?, 45 ? Vertical prism row: 1?, 2?, 3?, 4?, 5?, 6?, 8?, 10?, 12?, 14?, 16?, 18?, 20?, 25?, 30? Package Included Optical Ophthalmic Prism Set 1?Wide scope of application?This optometry table is suitable for visual inspection in optical shops, hospitals, schools, and enterprise ophthalmology departments. ?Durable Aluminum Case?The prism bars are conveniently housed in a durable aluminum case, providing secure storage and easy transportation. It protects the prism bars from damage and allows for safe and organized usage. ?Trusted by Optometrists?This prism set has earned the trust and appreciation of optometrists for its reliable performance and accurate measurements. It is a preferred choice in the field, ensuring confidence in your diagnostic processes. ?Optical ophthalmology prism group?Horizontal prism row: 1?, 2?, 4?, 6?, 8?, 10?, 12?, 14?, 16?, 18?, 20?, 25?, 30 ?, 35?, 40?, 45?, composed of sixteen prism degrees the vertical triangular prism row consists of: 1?, 2?, 3?, 4?, 5?, 6?, 8?, 10?, 12?, 14?, 16?, 18?, 20?, 25?, 30?, composed of fifteen prism degrees. ?Comprehensive Deviation Measurement?The Precision Vision Prism Bars Set allows for precise measurement of both vertical and horizontal deviations in the eye. It can detect latent and manifest deviations, providing valuable diagnostic information.