Optical Ophthalmic Prism Set,18pcs Optical Prism,with Aluminum Box Accurate Inspection and Assessment Eye Deviations, for Optometry Centers/Hospitals

Specifications: Product size: 20.5*14.5*6cm Product Features: Used to quantitative inspection and strabismus visual training. Prism degree(Δ): 1,2,3,4,5,6,7,9,10,15,20,25,30,40,50,60,80 Package: 18pcs Ophthalmic Prism Set*1

• Optical OphThalmic Prism Set- The triangular prism has 18 straight angle prism composition: 1,2,3,4,5,6,7,9,10,15,20,25,30,40, 50,60,80.
• Premium Materials- Conveniently housed in a aluminum casing, providing secure storage and convenient transportation.
• Wide Scope of Application- This optometry table is suitable for visual inspection in optical shops, hospitals, schools, and corporate ophthalmology departments.
• 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.
• Accurate measurement of eye deviations- The Prism Bar is designed to measure both vertical and horizontal deviations in the eye, providing precise information about latent or manifest deviations. For orthogonal training of eye muscles and correction of strabismus. It is an important means to correct strabismus and eliminate diplopia