The cumulative percentage of visual acuity is one of the standard plots for reporting the results of a cataract surgery procedure with intraocular lenses or a laser refractive surgery procedure.
This function calculates the standardized graph from a matrix of data of two columns whose content will depend on the procedure that we want to analyze. For example, if we want to analyze the results after a cataract procedure, the two-column matrix should contain the visual acuity without correction after surgery in the first column and the visual acuity with correction after surgery in the second one, each row representing the results of a subject. In the case of a laser surgery procedure, the first column will contain the visual acuity without correction after the procedure and the second column the visual acuity with correction before the surgery.
In the case of procedures with multifocal intraocular lenses, the function allows to modify the labels depending on whether the data entered correspond to results of far visual acuity, intermediate or near.
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