The dca vantage operators guide states, "using a smooth, slow, continuous motion, pull the flexible pull-tab completely out of the reagent cartridge." and "wear personal protective equipment, including safety glasses and gloves.Use universal precautions." the issue occurred while pulling the foil buffer tab before the sample was processed.This would indicate that the buffer has not yet come into contact with agglutinator, antibody latex, oxidant, or patient sample.As per siemens material safety data sheet (usa) for dca systems hemoglobin a1c reagent kit ((b)(4)), hba1c buffer solution has no known significant effects or critical hazards on eyes.As per eu safety data sheet, classification according to regulation (ec) no.(b)(4) [clp/ghs], hba1c buffer solution is not classified as hazardous according to regulation (ec).Siemens followed up on patient's health (eye), customer indicated that at this moment the symptoms persisting, ocular pressure, foreign body sensation, tearing and they also mentioned feel blurred vision and eye zone swollen the event has occurred due to an operator error.
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