Hand-held 37mm individual plastic prism. Diopters for prisms range from 0.5 to 20D.
Each prism sold indiviually
Diopter Sizes:
0.5, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18 and 20D
Diopter Sizes:
25, 30, 35, 40, 45 and 50D
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Hand-held 37mm individual plastic prism. Diopters for prisms range from 0.5 to 20D.
Each prism sold indiviually
Hand-held 37mm individual plastic prism. Diopters for prisms range from 0.5 to 20D.
Each prism sold indiviually
Diopter Sizes:
0.5, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18 and 20D
Diopter Sizes:
25, 30, 35, 40, 45 and 50D
| Brands | Bernell USA |
|---|

Made from durable and lightweight acrylic, combines both a horizontal and vertical prism bar. The horizontal prism bar provides 16 segments at 1, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 25, 30, 35, 40, and 45 PD. Vertical prism bar has 15 segments that provide 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 25, and 30 PD. Includes protective pouch.

The Combination Horizontal Vertical Prism Bar provides accurate measurement of ocular deviation. This new combination prism bar resolves the problem by having the horizontal prism bar slide up and down in a channel affixed to the vertical prism bar.
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