The reporter stated the surgeon inserted a 12.1mm micl12.1 implantable collamer lens, -5.5 diopter but the lens would not unfold in the patient's eye, the lens was on its side and looked like a "taco".The lens was removed with no patient injury, no enlarged incision or sutures and the backup lens was implanted.
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Per medical review - this complaint file states that the lens did not unfold.There is no information to determine if there was any malfunction of the insertion system, but a work-order search showed no similar complaints.There is no information to determine if unfolding was due to improper lens loading, or surgeon handling either.Visual inspection of the returned product found a piece of one haptic torn off and missing.The lens was returned dry and there was evidence of clear surgical residue.Based on the complaint history, work order search, medical review and the evaluation of the returned product, a specific root cause of the event could not be determined.(b)(4).
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