Baseball sized (9″ circumference; 2.86″ diameter), but soft like a softball.
• Individual balls come attached to a 12 ft string
Comes in 4 font sizes and one ball (MB1234) has all four fonts.
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Baseball sized (9″ circumference; 2.86″ diameter), but soft like a softball.
Baseball sized (9″ circumference; 2.86″ diameter), but soft like a softball.
• Individual balls come attached to a 12 ft string
Comes in 4 font sizes and one ball (MB1234) has all four fonts.
| Brands | Bernell USA |
|---|
The Prism Bar Holder Kit combines a prism bar holder with two horizontal prism bars. The handle holds two horizontal prism bars side by side to get a quick estimation of a prism prescription.
The prism bar set includes the holder along with 2 horizontal prism bars. The prism bar holder can be purchased by itself.


Stereoacuity depth preception test designed to rapidly test for amblyopia and strabismus in early and non-readers and non-verbal children and adults.
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