Alcon is thrilled to introduce SYSTANE PRO Preservative Free (PF) in the U.S., the latest innovation in our dry eye portfolio. SYSTANE PRO PF is a long lasting formula that provides dry eye relief. Systane Ultra Preservative Free Eye Lubricant Drops for Dry Eyes, 0.34 fl oz On March 31, the U.S. Food and Drug Administration (FDA) disclosed that Pomona based K.C. Pharmaceuticals voluntarily recalled 3,111,072 bottles of eye drops. The primary concern is a Lack of Assurance of Sterility, FDA Announces Eye Drops Recall Due to Fungal Contamination