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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Aperture Rule™ Trainer Kit is a standard instrument in most VT programs. Features progressive fixed demand. Polarized or colored lenses are not required. Helps improve low fusional and accommodative reserves, poor stereopsis, Fixation disparity suppression & tight accommodation-conversion relationship.
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.
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
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