Mfg date: an at52ao crystalens was returned to b+l inside a trulign lens case (bl1ut 21.00x1.25, sn (b)(4)).After optical testing, the received at52ao is confirmed to be a 14.00 d lens.Three retain samples from lot#7461810 were pulled for evaluation.Lens evaluation did not identify any anomaly with the lenses; axis marks are present and visible.Shipping records indicate that both crystalens at52ao and trulign lenses were shipped to the surgery center.The device history records were reviewed and there were no discrepancies or unusual finding that relate to the reported issue.Based on the current information it cannot be concluded that a lens mix up occurred during manufacturing process, and the root cause of the reported event could not be conclusively determined.
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