Standard Adult Sports Cards have green background.
Pediatric Sports Cards (Bernstein Bears) have orange background.
• Set of 12 cards
• Includes card back.
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Extra Aperture Rule™ Cards
Select either Bernstein Bears for pediatric use or Sports/Action targets. Techniques and target designs are developed for children and adult motivation.
Standard Adult Sports Cards have green background.
Pediatric Sports Cards (Bernstein Bears) have orange background.
• Set of 12 cards
• Includes card back.
| Brands | Bernell USA |
|---|
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.
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

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.
Provides a more comfortable and secure strap for the Yoked Prism Framest. Wide Elastic Strap has an eyelet at each end which is easily threaded thru the thumb screw on each side of the Yoked Prism Frame. Velcro strips permit adjustment of the strap to appropriately adjust to the head of your patient.
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