Additional information provided in d.10., h.3., h.6., and h.10.The reported foreign material was returned for analysis.Additional observations: an empty lens case along with a plastic container was returned for evaluation.No iol was returned for analysis.The reported piece of foreign material was returned inside the referenced plastic container.The material has a plastic aspect and a cylindrical/circular shape.Solution is observed to the plastic appearing material.Upon evaluating the lens case, both pegs from lens locking mechanism of lens cap were found to be broken/torn.The small piece of plastic appears to possibly be one of the pegs from the lens locking mechanism.The lens case posts are intact.No other damage found to the lens case.No cartridge was returned.While we are unable to determine the origin of the reported event, our observations reasonably suggest that it is not manufacturing related.Based on the information provided by the customer, the root cause for the reported event ¿foreign particles in the eye¿ may be related to a failure to follow the dfu.The complaint states that a hard hemispherical ball with sharp edges was introduced with the iol.It had to be removed from behind the lens.The dfu instructs that prior to insertion, the lens should be carefully examined to ensure that particles have not adhered during handling.Failure to follow this step can cause missing of foreign material/particles stuck on the lens, which could lead to issues/damage during loading and/or undesirable additional medical/surgical intervention after implantation.The manufacturer internal reference number is: (b)(4).
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