No phaco tip was returned for evaluation; therefore, the condition of the product could not be verified.No lot number was identified with this complaint; therefore, lot history and complaint history reviews could not be conducted.A sample was not returned and no lot information is available, therefore, the root cause for the customer complaint issue cannot be determined.The exact root cause for this complaint is unknown, therefore, specific action with regards to this complaint cannot be taken.All phaco tips are 100% visually inspected by trained operators using 30x magnification during the manufacturing process.Complaints are reviewed and monitored at regular intervals for any significant adverse trends.No additional action is required at this time.The manufacturer internal reference number is: (b)(4).
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