BERNELL Aperture Rule™ Trainer Kit

BERNELL Accommodative Convergence Rule - Complete Kit



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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.

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Used to test & train monocular, binocular, accommodation, and rock. Trains convergence using physiological diplopia as the control on suppression. Features four scales: dioptric values, duane age, centimeters, and inches. Made of durable plastic with engraved black numbers. 21" long. 7/16" square.

Kit Includes:
• Accommodation Convergence Rule
• Slide Card Holder
• Two cards

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