Method: work order search, medical review.Results: a lens work order search was performed and no similar complaints were found within the work order.Visual inspection of the returned product found no visible damage to the lens.The lens was returned dry.The lens was rehydrated in bss for re-measurement.The lens length was measured and the result of the measurement was compared against the original value and the lens was found to be in specification.Medical review - toxic reactions may be due (but not limited) to: contaminated or inappropriate intraocular medication/irrigation fluids, instruments with residual toxins from sterilization, iol with residual toxic particles, etc.It is unlikely that the icl was the cause of this adverse event.Every icl undergoes a steam sterilization process.Before releasing the lens, quality department verifies the following for each icl lot: sterilization cycle parameters (time, temperature and pressure) must be met.Biological indicators used for every sterilization batch must be in accordance with specifications to demonstrate sterility.Lal testing must be in accordance with specifications to ensure that the product is free from any endotoxin.A review of the device history record was performed and nothing was found in the manufacturing, sterilization and packaging processes of this lens that was the root cause of the complaint.Conclusions: based on the complaint history, work order search, medical review, device history record 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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