Horizontal & Vertical Prism Bars are available with 0.5 to 50 Diopter coverage with all on the bar (none are loose).

Prism Bars provide an efficient means for treating cases of diplopia, symptomatic heterophorias and abnormal head postures.

Values are marked on the bars.

Re-engineered to solve the problem of birefringence which can hinder their use in certain clinical applications. This prism bar manufacturing process greatly reduces optical strain, producing prisms that virtually eliminate clinical birefringent effects.