Contains 2 Mini-Spinners and colors may vary.
The Mini-Spinner is only 4″ (10 cm) tall with a 1 1/2″ (37 mm) globe where the blue, red, and yellow LEDs spin.
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The Mini-Spinner is only 4″ (10 cm) tall with a 1 1/2″ (37 mm) globe where the blue, red, and yellow LEDs spin. The light pattern changes as the ball spins. The button must be held down to light the ball and spin. Runs for a long time on three LR44 hearing aid batteries. Instructions for battery replacement included.
Contains 2 Mini-Spinners and colors may vary.
Contains 2 Mini-Spinners and colors may vary.
The Mini-Spinner is only 4″ (10 cm) tall with a 1 1/2″ (37 mm) globe where the blue, red, and yellow LEDs spin.
| Brands | Good Lite |
|---|
| Height | 4″ (10 cm) tall with a 1 1/2″ (37 mm) |
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 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.
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.
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