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The reference (b)(4) has been allocated to this case by rayner.The event description provided states that the haptic broke during implantation into the eye.The lens was explanted and exchanged during the original surgery session without further incident.There was no harm or injury to the patient.Surgery is reported to have been prolonged due to the event."iol replacement or extraction" is listed in the "adverse events" section of the rayone ifu.The device was not available for return to rayner.The rayone preloaded iol injection system use risk analysis identifies the following as possible causes of to "trapped/ torn lens haptic/ optic during insertion"; 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.Our review of production records for the rayone emv rao200e batch 104251859 showed that all nanufacturing and quality checks were conducted with successful results.A review of existing vigilance data confirms that this is an isolated event.No other incidents, of any type, have been reported against rayone emv rao200e batch 104251859.Without the ability to examine the device and without clear event details being provided it is not possible to establish the cause of haptic damage.
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