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The reference (b)(4) has been allocated to this case by rayner.The event description provided states that the lens did not come out of the injector correctly and once in the eye it was determined that the optic was cracked.The lens was explanted and exchanged during the original surgery session without further incident and without harm or injury to the patient."iol replacement or extraction" is listed in the "adverse events" section of the rayone ifu.The device was discarded by the healthcare facility.The rayone preloaded iol injection system use risk analysis identifies forcing a blocked injector and inadequate lubrication as possible causes of "lens optic damage".Additionally, inadequate amount of viscoelastic; inadequate quality of viscoelastic; haptic trapped by plunger override due to fast motion; user opens closed flaps and closes again before use; plunger advanced too quickly, insertion of viscoelastic through nozzle leading to inadequate amount of viscoelastic; user removed injector from tray prior to inserting viscoelastic, causing lens to be improperly placed in cartridge; user removed injector from tray prior to closing cartridge, resulting in cartridge not being clipped properly; optic edge trapped/ damaged on closure of cartridge, sharp edge instruments and dehydration of the lens prior to implantation are identified as possible causes of "trapped/torn lens haptic/optic during insertion".Our review of production records for the rayone aspheric rao600c batch 054241550 showed that all manufacturing and quality checks were conducted with successful results.A review of vigilance data confirms that this is an isolated event.No other incidents, of any type, have been received against the rayone aspheric rao600c batch 054241550.There is insufficient evidence and information available to determine the cause of the lens optic damage following implantation into the eye.
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