Product evaluation: six used cartridge samples for the same lot were returned and visually examined.There appeared to be inadequate viscoelastic in all six cartridges.All six had evidence of being placed into the handpiece.No damage or abnormalities were observed.Typical evidence of a lens delivery was not observed.The cartridges were cleaned for further evaluation.Top coat dye stain testing was conducted with acceptable results.The lenses were not returned.Cartridge product history records were reviewed and documentation indicated the product met release criteria.The lens model/diopter, handpiece and viscoelastic used were not provided.The root cause for the reported scratched lenses could not be determined.The lenses were not returned for evaluation.It is unknown if qualified associated product were used as this information was not provided.The six returned cartridges were evaluated.No damage was observed.The cartridges were dye stain tested with acceptable results.All six cartridges appeared to exhibit an inadequate amount of viscoelastic.This may have been a contributing factor.Not adequately filling the cartridge with viscoelastic will result in inadequate coverage of lens and the lens fold path with ovd, which may result in damage or delivery issues.Additional information provided in d.10., h.3., h.6.And h.10.The manufacturer internal reference number is: (b)(4).
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