Same font sizes as our Baseball Sports Letter Balls, but printed on softballs (12″ circumference; 3.8″ diameter).
Balls come attached to a 12 ft string.
Each individual ball includes a wall hook.
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Same font sizes as our Baseball Sports Letter Balls, but printed on softballs (12″ circumference; 3.8″ diameter). Balls come attached to a 12 ft string.
Same font sizes as our Baseball Sports Letter Balls, but printed on softballs (12″ circumference; 3.8″ diameter).
Balls come attached to a 12 ft string.
Each individual ball includes a wall hook.
Brands | Bernell USA |
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Create Your Own Custom Prism Flipper.
You can select a power for each well, choosing from 1D to 8 D (no half diopters available). Specify base direction for each well.
Please review your selection carefully as custom prism flippers cannot be returned.
These vergence prisms quickly screen for binocular vision. Use these to get the patient to cycle between the two prisms up to 15 cycles per minute. Use at 16″ (40 cm) with a 20/30 near point line. Prisms are 12D base-out and 3D base-in and 1.5″ high (38mm).
The Vergence Facility Prism is available in :
Mounted to a stainless steel holder
Stereoacuity depth preception test designed to rapidly test for amblyopia and strabismus in early and non-readers and non-verbal children and adults.