The product was not returned for analysis.The complainant indicates the use of a viscoelastic , which is not qualified for use with company preload device.The reported complaint was not observed as no sample was returned for analysis; however, based on the information provided by the customer, the most likely root cause is failure to follow dfu, as the surgeon states the use of non-qualified viscoelastic.Lens delivery performance may be negatively affected when using other non-qualified viscoelastics leading to underfill, overfill, misfolding , delivery issues and /or damage.All product and batch history records are quality reviewed prior to product release.The manufacturer internal reference number is: (b)(4).
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