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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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