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This accommodation convergence ruler consists of a 41cm long ruler with a slider, a Torrington Block with light, and 3 paper testing cards.
Could take the measurements in any angle according to the patient’s requirement, and could also take a handheld test in the horizontal direction with a plastic handle.
This accommodation convergence ruler is used to measure Objective and Subjective Convergence as well as accommodation in 1 mm increments.
Consists:
1 * 41cm long ruler with a slider
1 * Torrington Block with light
3 * paper test cards
1 * handle, which could take a handheld test in the horizontal direction
This instrument could take measurements as below:
