Brand Name: Alcon Laboratories, Inc. Product Name: Accessory devices for Unity and Constellation surgical consoles Model/Catalog Number: Many - See 'Attachment 1 - Affected Product List' 8065000252 UNITY 27 GA CHANDELIER 8065000253 UNITY 27+DS WIDE ANGLE LIGHT PROBE Software Version: N/A Product Description: These products are standalone accessory devices meant for vitrectomy surgical procedures. They interface with a corresponding Alcon surgical console. Component: N/A

Reason: Due to incomplete seals in the pouch which provide the sterile barrier.

Code information: Catalog Number: 8065000252 UDI-DI code: 00380650002525 Lot/Batch Numbers: 17CMKR 17D417 Catalog Number: 8065000253 UDI-DI code: 00380650002532 Lot/Batch Number: 17CDMX

Distribution pattern: Worldwide distribution: US (nationwide): AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NY, OH, OK, OR, PA, RI, SC,SD,TN, TX, VA, WA, WI, and WV; and OUS (foreign) to countries of: Argentina, Australia, Austria, Azerbaijan, Bahrain, Bangladesh, Belgium, Brazil, Brunei, Canada, Chile, China, Colombia, Croatia, Czechia, Denmark, Finland, France, Germany, Greece, Guadeloupe, Hong Kong, Hungary, Iceland, India, Ireland, Israel, Italy, Japan, Korea, Kosovo, Luxembourg, Malaysia, Mexico, Moldova, Montenegro, Morocco, Netherlands, New Zealand, Pakistan, Peru, Philippines, Poland, Portugal, Qatar, Reunion, Russian Federation, Saudi Arabia, Serbia, Slovakia, South Africa, Spain, Sri Lanka, Sweden, Switzerland, Taiwan, Turkey, United Arab Emirates, and United Kingdom,