Optical Prism Bar Set,22 Piece Set & 1 Red Filter Lens Ophthalmic Eye Prism Set with Aluminium Case,Science Classroom Optics Kits for Ophthalmology Hospitals.

Specifications Diopter(Δ):1/2,1,2,3,4,5,6,7,8,9,10,12,14,16,18,20,25,30,35,40,45,50 Total:23 pieces including red filter lens Package:Aluminum Case Package size:270*160*70mm Weight:1.5kg Package Included: 1*Ophthalmic Prism Set

• 【Versatile Use】for comprehensive training of ocular muscles and correcting strabismus,for to overcome double vision and strabismus issues.
• 【Special Note】Avoid using alcohol or solvents to clean this product. Instead, opt for mild soapy water for gentle yet effective cleaning.
• 【Optical OphThalmic Prism Set】Featuring 22 precision-crafted straight angle prism compositions ranging from 1/2° to 50°, this set offers a wide range of optical adjustments. Easy to install and remove, no tools required.
• 【Premium Materials】Premium aluminum casing ensures durability, while also providing secure storage and portability for easy transportation. Suitable for a wide range of settings, including optical shops, hospitals, schools, and corporate ophthalmology departments, this optometry table offers comprehensive visual inspection capabilities.
• 【Optical Correction Principle】When light passes through a prism, it will refracted toward bottom , and the object image moves toward the tip, constantly changing the optical power of the prism. Both eyes will have a common visual direction, easily eliminating double vision.