(b)(4).Product evaluation: the product was returned with solution and torn into two pieces, typical of damage created during an explant.Results from the product history record review indicated the product met release criteria.The root cause of the complaint for "explant, wrong power" cannot be determined.The replacement lens was reported to be a 12.5 diopter.Based on the information that the chosen replacement lens was a different lens model and 1.5 diopters less in power, it is possible that the root cause is most likely due to calculation error and not a product malfunction.However, the specific root cause has not been determined and no further information has been provided.
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