Product Details Fangrui Product Details Optical Ophthalmology Prism Group-diopter: 1/2, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, 40, 45, 50. Ophthalmologists Perform Trigeminal Examinations On Patients Eye Muscles For Quantitative Examination And Walking Vision Training. Essential Tool For Eye Care Professionals: Supplied To Major Ophthalmology Hospitals, This Prism Set Is Crucial For The Quantitative Examination Of Eye Muscles And The Training Of Strabismus Vision, Enhancing Patient Care And Treatment Outcomes. Constructed With High-quality Materials: Crafted From Environmentally Friendly Resin And Encased In A High-quality Aluminum Alloy Box, This Set Ensures Durability, Safety, And Ease Of Storage, Making It Ideal For Frequent Use In Clinical Environments. Trusted By Optometrists Worldwide: Renowned For Its Reliable Performance And Precise Measurements, This Prism Set Is A Staple In Of Optometry, Helping Professionals Make Accurate Diagnoses And Build Confidence In Their Clinical Practices. Versatile Application Across