Berens Prism Bar - Vertical and horizontal bar 24 7.3 ALL RIGHTS RESERVED © DIAGNOSTICS Ref. 08300 In a rigid protective case, complete with: • 1 vertical bar with the following prism diopters: 1Δ, 2Δ, 3Δ, 4Δ, 5Δ, 6Δ, 8Δ, 10Δ, 12Δ, 14Δ, 16Δ, 18Δ, 20Δ, 25Δ. • 1 horizontal bar with the following prism diopters: 1Δ, 2Δ, 4Δ, 6Δ, 8Δ, 10Δ, 12Δ, 14Δ, 16Δ, 18Δ, 20Δ, 25Δ, 30Δ, 35Δ, 40Δ. VERTICAL BAR HORIZONTAL BAR The prism dioptres are used to evaluate strabismus.With the use of cover testing it is possible to measure, in prism dioptres, phorias and tropias.
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