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 |
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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.