H.3., h.6.: no lot code or sample was provided by the customer.All lens care products undergo microbial and chemistry in process and finished product testing.All compounding and filling mbrs are subjected to 2 independent reviews.In addition, prior to product release, the following are reviewed: all chemistry and microbial finished product results, environmental, utility records and sanitization records.All products are compounded in the company facility using a stationary stainless steel mix tank.The sterilization of the product is achieved by in-line filtration using sterilizing membrane filters.Filling is performed in a grade a area (class 100).As part of the mbr review, all filter integrity tests are confirmed to be acceptable.Filling areas are routinely monitored for environmental (temperature, humidity, air pressure, viable and non viable particulates).The primary components (bottles and closures) are produced under controlled conditions and are double bagged and placed into shippers from the supplier.The shippers and the components inside are sterilized prior to being sent to alcon.The incoming components are evaluated to ensure that all key attribute, dimensional, and sterilization requirements are met prior to disposition.Root cause of the complaint condition could not be determined; the lot was not provided.Potential root causes that could be associated with the complaint condition include: off label use, (cannot be confirmed), poor lens care practice, (cannot be confirmed), product contamination due to production environment, (unlikely due to the process controls in place), and component sterilization (unlikely, all incoming inspection results were found to be acceptable).Customer product use and storage practice could not be confirmed.No further action is warranted at this time.Lot specific evaluation is not possible without a lot code.The manufacturer internal reference number is: (b)(4).
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