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Generally, the patient’s distance refractive error is corrected during assessment of accommodative function.

However, the UC-CUBE may be used to help practitioners evaluate how well an uncorrected (or under-corrected) hyperopic patient is focusing at near by assessing accommodative responses unaided (or through habitual, partial correction).

The UC-CUBE can be used to decide on the appropriate amount of partial hyperopic correction (if any), by determining the amount of plus that allows the patient to produce accommodative responses within normal limits.